Robyntrx

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πŸ“ž All About Call Spoofing πŸ“ž

Real call spoofing requires serious infrastructure and technical knowledge - not that TextNow app bullshit or Telegram ripper garbage that floods your DMs. Those dipshits selling "private number" services wouldnt know proper spoofing if it slapped them in their face.

View attachment 6349

This guide breaks down call spoofing from basic concepts to advanced exploitation. No flashy promises, no magic apps - just the hard technical knowledge that lets you bypass modern call detection systems.

Big Money Still Flows Through Voice

Phone systems still drive billions in sales across major retailers. Companies like Victorias Secret, Nordstrom and countless others actively push customers to order by phone. Why? Because old people are retarded when it comes to technology. As to why your granma needs Victoria Secret lingerie, thats a mystery for another day.

But even without direct phone carding, voice spoofing unlocks a trove of opportunities:
  • Balance checking at scale
  • Mass OTP interception
  • Bank account takeover
  • Order rerouting/address changes
  • Refund fraud at scale
  • Corporate account compromise
  • Customer service social engineering
The financial sector especially runs on voice. Those phone reps get trained to "help customers" work around security measures, creating perfect social engineering opportunities. One clean spoofed call can accomplish more than days of failed web-based attempts.

The Technical Stack

View attachment 6350


Modern phone systems are a beautiful clusterfuck of old and new tech mashed together. Understanding this mess matters because most fraud prevention still relies on legacy systems that barely changed since the 90s.

Three levels of spoofing exist in this ecosystem:
  1. Basic ID Spoofing: What those garbage apps do. Just changes the displayed number without touching underlying call data. Fine for pranking your friends, useless for anything serious.
  2. Carrier-Level Spoofing: Routes calls through legitimate telcos, making them appear as normal PSTN traffic. Expensive as fuck but nearly impossible to detect. Required for serious bank operations.
  3. Full SIP Spoofing: The sweet spot for most carders. Controls the entire call chain and mimics legitimate traffic patterns. Needs proper infrastructure but can bypass most detection systems.
The Building Blocks

Three main types of phone systems matter for us:

PSTN (Public Switched Telephone Network)
The granddaddy of them all. This traditional phone network still connects landlines worldwide. Banks, credit card companies and big corporations use PSTN because its reliable as fuck. When you call Chase or Amex, youre probably hitting their PSTN lines.

For carders, PSTN matters because:
  • Most financial institutions trust PSTN calls more than VoIP
  • Caller ID spoofing detection barely exists
  • Crystal clear audio quality (crucial for social engineering)
  • Less recording/monitoring compared to VoIP
VoIP (Voice over IP)
Voice transmitted over internet protocol - basically turning voice into data packets. Think Skype or your sketchy calling app. Most modern business phone systems use VoIP because its cheap and flexible.

VoIP advantages for fraud:
  • Easy to mask origin location
  • Dirt cheap international calls
  • Simple operation scaling
  • Multiple numbers on one system
  • Advanced call routing options
SIP (Session Initiation Protocol)
The protocol that makes VoIP work. SIP handles all the setup, teardown and control of VoIP calls. Think of it like HTTP but for voice communication. Most importantly, SIP lets us build our own private phone infrastructure.

Why SIP rocks for carders:
  • Complete control over caller ID presentation
  • Route calls through multiple servers
  • Mix with VPNs for extra anonymity
  • Build private phone networks
  • No central provider to snitch

Typical call flow looks like this:
View attachment 6351
Code:
Your Device -> SIP Server -> VoIP Provider -> PSTN Gateway -> Target Phone

Each hop in this chain affects how receiving systems see your calls. Banks dont just check the phone number - they analyze the entire call signature as it passes through this infrastructure.

This is why running your own SIP setup matters. Those "private number" services might work for pizza orders but anything touching financial systems needs proper infrastructure.

The Reality of Caller ID

View attachment 6352

Banks and financial institutions validate incoming calls through multiple layers of checks that cheap spoofers cant bypass. When a call hits their system, they check:
  • The presented caller ID number
  • Where the call originated from
  • Which carriers handled the routing
  • Call signaling patterns and metadata
  • Historical usage patterns
This is why your TextNow calls get blocked instantly. The numbers might look legit but the underlying signature screams VoIP fraud.

With SIP you control the entire call chain. Your calls can mimic legitimate PSTN traffic passing through trusted carriers. The secret lies in understanding how different financial institutions validate incoming numbers.

Some banks only check basic caller ID. These are your easy targets - basic number spoofing works fine. Others dig deeper, looking at call routing and carrier signatures. These need proper SIP infrastructure to appear legitimate.

The most sophisticated systems analyze call patterns over time. They track how often numbers hit their system, which carriers route them, and typical usage patterns.

Building Your Own Setup

Here are two methods that actually work without needing a PhD in telecommunications:

Method 1: Carded SIP Trunk

Easiest method that still gets results. Card Twilio, Telnyx or voip.ms. These work fine for most sites.

Requirements:
  • Clean card with solid antidetect setup
  • Business email (not free email)
  • MicroSIP (free softphone)
  • Residential proxy
Steps:
View attachment 6353

  1. Card a Telnyx Account (or other SIP providers):
    • Sign up for an account with Telnyx or your preferred SIP provider.
  2. Buy a DID Number:
    • Purchase a DID number that matches your target area for local calls.
  3. Grab Credentials from the Dashboard:
    • Log in to your Telnyx dashboard and navigate to the section where you can find your SIP credentials (username, password, and SIP server details).
  4. Change the Caller ID:
    • In your Telnyx account, look for the option to set a Caller ID Override. This allows you to specify the caller ID you want to display when making outbound calls.
  5. Configure MicroSIP:
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following details:
      • Domain:
        Code:
        sip.telnyx.com
        (or the SIP server address provided by your provider).
      • Username: Your SIP username from the Telnyx dashboard.
      • Password: Your SIP password from the Telnyx dashboard.
      • Transport: Select TCP.
      • Set Local Number as Your DID: Enter your purchased DID number in the appropriate field.
  6. Save the Configuration:
    • Click OK to save the account settings in MicroSIP.
  7. Test the Setup:
    • Make an outbound call using MicroSIP to ensure that the caller ID is displayed as specified and that the call connects successfully.

Method 2: DIY FreePBX

More setup work but better for bank related fraud. Harder to detect since you control the whole system.
View attachment 6354
Requirements:
  • Carded VPS (OVH or DigitalOcean work fine)
  • FreePBX ISO
  • DID number from any provider (some are more accomodating to spoofing, so do your own research)
  • MicroSIP
  • Same proxy setup as Method 1
Steps:
  1. Card a VPS:
    • Choose a VPS provider and set up your server.
  2. Download and Install FreePBX:
    • Follow the installation instructions for FreePBX on your VPS.
  3. Basic Configuration in Admin Panel:
    • Add Extensions:
      • Go to Applications > Extensions and create the necessary extensions.
    • Set Outbound Routes:
      • Navigate to Connectivity > Outbound Routes and configure your outbound routes.
      • In the outbound route settings, find the CID Options to set the default caller ID you want to use for outbound calls.
    • Configure Your DIDs:
      • Go to Connectivity > Inbound Routes and set up any Direct Inward Dialing (DID) numbers you have.
  4. Set Caller ID Spoofing:
    • In the Outbound Routes, specify the caller ID you want to use in the Caller ID field (make sure you have the right to use this number).
    • Ensure your trunk settings allow for caller ID manipulation.
  5. Point MicroSIP to Your VPS IP:
    • Download and install MicroSIP on your local machine.
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following:
      • Display Name: Name for the account.
      • SIP Server: Your VPSs IP address or domain name.
      • SIP Username: The extension number you created.
      • SIP Password: The password associated with that extension.
      • STUN Server (optional): Use a STUN server if needed for NAT.
  6. Save the Configuration in MicroSIP:
    • Click OK to save the account settings.
  7. Test the Connection:
    • Make a test call to ensure that the spoofed caller ID is displayed correctly and that the call goes through successfully.
Both methods work but remember these core rules:

* Hidden text: cannot be quoted. *


Running your own PBX server will give you more consistency, since these SIP providers are iffy and tend to disable accounts they suspect of malicious activities from time to time. However, if youre just starting, stick with Method 1. Its simpler and good enough for most shit. Only bother with FreePBX if youre doing heavy bank fraud or need total control over your infrastructure.

Conclusion

Call spoofing isn't some magic trick - it's a technical skill that requires serious know-how and infrastructure. If you're still thinking about using some bullshit app or Telegram service, you're missing the point entirely.

Understanding the tech stack is crucial, and DIY setups give you more control and consistency. This guide isn't for wannabes or script kiddies. It's for those ready to put in the work and be better at fraud.

Master these techniques, and you'll open doors that most "carders" can only dream about. Just don't come crying when you fuck up and get caught. This shit's not a game. Stay sharp, stay cautious, and always be learning. The phone system's a mess, and that's your advantage - if you're smart enough to use it. d0ctrine out.
Great info
 

adhidingdings

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Joined
25.03.25
Messages
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asc-logo.png


πŸ“ž All About Call Spoofing πŸ“ž

Real call spoofing requires serious infrastructure and technical knowledge - not that TextNow app bullshit or Telegram ripper garbage that floods your DMs. Those dipshits selling "private number" services wouldnt know proper spoofing if it slapped them in their face.

View attachment 6349

This guide breaks down call spoofing from basic concepts to advanced exploitation. No flashy promises, no magic apps - just the hard technical knowledge that lets you bypass modern call detection systems.

Big Money Still Flows Through Voice

Phone systems still drive billions in sales across major retailers. Companies like Victorias Secret, Nordstrom and countless others actively push customers to order by phone. Why? Because old people are retarded when it comes to technology. As to why your granma needs Victoria Secret lingerie, thats a mystery for another day.

But even without direct phone carding, voice spoofing unlocks a trove of opportunities:
  • Balance checking at scale
  • Mass OTP interception
  • Bank account takeover
  • Order rerouting/address changes
  • Refund fraud at scale
  • Corporate account compromise
  • Customer service social engineering
The financial sector especially runs on voice. Those phone reps get trained to "help customers" work around security measures, creating perfect social engineering opportunities. One clean spoofed call can accomplish more than days of failed web-based attempts.

The Technical Stack

View attachment 6350


Modern phone systems are a beautiful clusterfuck of old and new tech mashed together. Understanding this mess matters because most fraud prevention still relies on legacy systems that barely changed since the 90s.

Three levels of spoofing exist in this ecosystem:
  1. Basic ID Spoofing: What those garbage apps do. Just changes the displayed number without touching underlying call data. Fine for pranking your friends, useless for anything serious.
  2. Carrier-Level Spoofing: Routes calls through legitimate telcos, making them appear as normal PSTN traffic. Expensive as fuck but nearly impossible to detect. Required for serious bank operations.
  3. Full SIP Spoofing: The sweet spot for most carders. Controls the entire call chain and mimics legitimate traffic patterns. Needs proper infrastructure but can bypass most detection systems.
The Building Blocks

Three main types of phone systems matter for us:

PSTN (Public Switched Telephone Network)
The granddaddy of them all. This traditional phone network still connects landlines worldwide. Banks, credit card companies and big corporations use PSTN because its reliable as fuck. When you call Chase or Amex, youre probably hitting their PSTN lines.

For carders, PSTN matters because:
  • Most financial institutions trust PSTN calls more than VoIP
  • Caller ID spoofing detection barely exists
  • Crystal clear audio quality (crucial for social engineering)
  • Less recording/monitoring compared to VoIP
VoIP (Voice over IP)
Voice transmitted over internet protocol - basically turning voice into data packets. Think Skype or your sketchy calling app. Most modern business phone systems use VoIP because its cheap and flexible.

VoIP advantages for fraud:
  • Easy to mask origin location
  • Dirt cheap international calls
  • Simple operation scaling
  • Multiple numbers on one system
  • Advanced call routing options
SIP (Session Initiation Protocol)
The protocol that makes VoIP work. SIP handles all the setup, teardown and control of VoIP calls. Think of it like HTTP but for voice communication. Most importantly, SIP lets us build our own private phone infrastructure.

Why SIP rocks for carders:
  • Complete control over caller ID presentation
  • Route calls through multiple servers
  • Mix with VPNs for extra anonymity
  • Build private phone networks
  • No central provider to snitch

Typical call flow looks like this:
View attachment 6351
Code:
Your Device -> SIP Server -> VoIP Provider -> PSTN Gateway -> Target Phone

Each hop in this chain affects how receiving systems see your calls. Banks dont just check the phone number - they analyze the entire call signature as it passes through this infrastructure.

This is why running your own SIP setup matters. Those "private number" services might work for pizza orders but anything touching financial systems needs proper infrastructure.

The Reality of Caller ID

View attachment 6352

Banks and financial institutions validate incoming calls through multiple layers of checks that cheap spoofers cant bypass. When a call hits their system, they check:
  • The presented caller ID number
  • Where the call originated from
  • Which carriers handled the routing
  • Call signaling patterns and metadata
  • Historical usage patterns
This is why your TextNow calls get blocked instantly. The numbers might look legit but the underlying signature screams VoIP fraud.

With SIP you control the entire call chain. Your calls can mimic legitimate PSTN traffic passing through trusted carriers. The secret lies in understanding how different financial institutions validate incoming numbers.

Some banks only check basic caller ID. These are your easy targets - basic number spoofing works fine. Others dig deeper, looking at call routing and carrier signatures. These need proper SIP infrastructure to appear legitimate.

The most sophisticated systems analyze call patterns over time. They track how often numbers hit their system, which carriers route them, and typical usage patterns.

Building Your Own Setup

Here are two methods that actually work without needing a PhD in telecommunications:

Method 1: Carded SIP Trunk

Easiest method that still gets results. Card Twilio, Telnyx or voip.ms. These work fine for most sites.

Requirements:
  • Clean card with solid antidetect setup
  • Business email (not free email)
  • MicroSIP (free softphone)
  • Residential proxy
Steps:
View attachment 6353

  1. Card a Telnyx Account (or other SIP providers):
    • Sign up for an account with Telnyx or your preferred SIP provider.
  2. Buy a DID Number:
    • Purchase a DID number that matches your target area for local calls.
  3. Grab Credentials from the Dashboard:
    • Log in to your Telnyx dashboard and navigate to the section where you can find your SIP credentials (username, password, and SIP server details).
  4. Change the Caller ID:
    • In your Telnyx account, look for the option to set a Caller ID Override. This allows you to specify the caller ID you want to display when making outbound calls.
  5. Configure MicroSIP:
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following details:
      • Domain:
        Code:
        sip.telnyx.com
        (or the SIP server address provided by your provider).
      • Username: Your SIP username from the Telnyx dashboard.
      • Password: Your SIP password from the Telnyx dashboard.
      • Transport: Select TCP.
      • Set Local Number as Your DID: Enter your purchased DID number in the appropriate field.
  6. Save the Configuration:
    • Click OK to save the account settings in MicroSIP.
  7. Test the Setup:
    • Make an outbound call using MicroSIP to ensure that the caller ID is displayed as specified and that the call connects successfully.

Method 2: DIY FreePBX

More setup work but better for bank related fraud. Harder to detect since you control the whole system.
View attachment 6354
Requirements:
  • Carded VPS (OVH or DigitalOcean work fine)
  • FreePBX ISO
  • DID number from any provider (some are more accomodating to spoofing, so do your own research)
  • MicroSIP
  • Same proxy setup as Method 1
Steps:
  1. Card a VPS:
    • Choose a VPS provider and set up your server.
  2. Download and Install FreePBX:
    • Follow the installation instructions for FreePBX on your VPS.
  3. Basic Configuration in Admin Panel:
    • Add Extensions:
      • Go to Applications > Extensions and create the necessary extensions.
    • Set Outbound Routes:
      • Navigate to Connectivity > Outbound Routes and configure your outbound routes.
      • In the outbound route settings, find the CID Options to set the default caller ID you want to use for outbound calls.
    • Configure Your DIDs:
      • Go to Connectivity > Inbound Routes and set up any Direct Inward Dialing (DID) numbers you have.
  4. Set Caller ID Spoofing:
    • In the Outbound Routes, specify the caller ID you want to use in the Caller ID field (make sure you have the right to use this number).
    • Ensure your trunk settings allow for caller ID manipulation.
  5. Point MicroSIP to Your VPS IP:
    • Download and install MicroSIP on your local machine.
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following:
      • Display Name: Name for the account.
      • SIP Server: Your VPSs IP address or domain name.
      • SIP Username: The extension number you created.
      • SIP Password: The password associated with that extension.
      • STUN Server (optional): Use a STUN server if needed for NAT.
  6. Save the Configuration in MicroSIP:
    • Click OK to save the account settings.
  7. Test the Connection:
    • Make a test call to ensure that the spoofed caller ID is displayed correctly and that the call goes through successfully.
Both methods work but remember these core rules:

* Hidden text: cannot be quoted. *


Running your own PBX server will give you more consistency, since these SIP providers are iffy and tend to disable accounts they suspect of malicious activities from time to time. However, if youre just starting, stick with Method 1. Its simpler and good enough for most shit. Only bother with FreePBX if youre doing heavy bank fraud or need total control over your infrastructure.

Conclusion

Call spoofing isn't some magic trick - it's a technical skill that requires serious know-how and infrastructure. If you're still thinking about using some bullshit app or Telegram service, you're missing the point entirely.

Understanding the tech stack is crucial, and DIY setups give you more control and consistency. This guide isn't for wannabes or script kiddies. It's for those ready to put in the work and be better at fraud.

Master these techniques, and you'll open doors that most "carders" can only dream about. Just don't come crying when you fuck up and get caught. This shit's not a game. Stay sharp, stay cautious, and always be learning. The phone system's a mess, and that's your advantage - if you're smart enough to use it. d0ctrine out.
wow
 

ballerz878

Newbie
Joined
25.03.25
Messages
8
Reaction score
0
Points
1
asc-logo.png


πŸ“ž All About Call Spoofing πŸ“ž

Real call spoofing requires serious infrastructure and technical knowledge - not that TextNow app bullshit or Telegram ripper garbage that floods your DMs. Those dipshits selling "private number" services wouldnt know proper spoofing if it slapped them in their face.

View attachment 6349

This guide breaks down call spoofing from basic concepts to advanced exploitation. No flashy promises, no magic apps - just the hard technical knowledge that lets you bypass modern call detection systems.

Big Money Still Flows Through Voice

Phone systems still drive billions in sales across major retailers. Companies like Victorias Secret, Nordstrom and countless others actively push customers to order by phone. Why? Because old people are retarded when it comes to technology. As to why your granma needs Victoria Secret lingerie, thats a mystery for another day.

But even without direct phone carding, voice spoofing unlocks a trove of opportunities:
  • Balance checking at scale
  • Mass OTP interception
  • Bank account takeover
  • Order rerouting/address changes
  • Refund fraud at scale
  • Corporate account compromise
  • Customer service social engineering
The financial sector especially runs on voice. Those phone reps get trained to "help customers" work around security measures, creating perfect social engineering opportunities. One clean spoofed call can accomplish more than days of failed web-based attempts.

The Technical Stack

View attachment 6350


Modern phone systems are a beautiful clusterfuck of old and new tech mashed together. Understanding this mess matters because most fraud prevention still relies on legacy systems that barely changed since the 90s.

Three levels of spoofing exist in this ecosystem:
  1. Basic ID Spoofing: What those garbage apps do. Just changes the displayed number without touching underlying call data. Fine for pranking your friends, useless for anything serious.
  2. Carrier-Level Spoofing: Routes calls through legitimate telcos, making them appear as normal PSTN traffic. Expensive as fuck but nearly impossible to detect. Required for serious bank operations.
  3. Full SIP Spoofing: The sweet spot for most carders. Controls the entire call chain and mimics legitimate traffic patterns. Needs proper infrastructure but can bypass most detection systems.
The Building Blocks

Three main types of phone systems matter for us:

PSTN (Public Switched Telephone Network)
The granddaddy of them all. This traditional phone network still connects landlines worldwide. Banks, credit card companies and big corporations use PSTN because its reliable as fuck. When you call Chase or Amex, youre probably hitting their PSTN lines.

For carders, PSTN matters because:
  • Most financial institutions trust PSTN calls more than VoIP
  • Caller ID spoofing detection barely exists
  • Crystal clear audio quality (crucial for social engineering)
  • Less recording/monitoring compared to VoIP
VoIP (Voice over IP)
Voice transmitted over internet protocol - basically turning voice into data packets. Think Skype or your sketchy calling app. Most modern business phone systems use VoIP because its cheap and flexible.

VoIP advantages for fraud:
  • Easy to mask origin location
  • Dirt cheap international calls
  • Simple operation scaling
  • Multiple numbers on one system
  • Advanced call routing options
SIP (Session Initiation Protocol)
The protocol that makes VoIP work. SIP handles all the setup, teardown and control of VoIP calls. Think of it like HTTP but for voice communication. Most importantly, SIP lets us build our own private phone infrastructure.

Why SIP rocks for carders:
  • Complete control over caller ID presentation
  • Route calls through multiple servers
  • Mix with VPNs for extra anonymity
  • Build private phone networks
  • No central provider to snitch

Typical call flow looks like this:
View attachment 6351
Code:
Your Device -> SIP Server -> VoIP Provider -> PSTN Gateway -> Target Phone

Each hop in this chain affects how receiving systems see your calls. Banks dont just check the phone number - they analyze the entire call signature as it passes through this infrastructure.

This is why running your own SIP setup matters. Those "private number" services might work for pizza orders but anything touching financial systems needs proper infrastructure.

The Reality of Caller ID

View attachment 6352

Banks and financial institutions validate incoming calls through multiple layers of checks that cheap spoofers cant bypass. When a call hits their system, they check:
  • The presented caller ID number
  • Where the call originated from
  • Which carriers handled the routing
  • Call signaling patterns and metadata
  • Historical usage patterns
This is why your TextNow calls get blocked instantly. The numbers might look legit but the underlying signature screams VoIP fraud.

With SIP you control the entire call chain. Your calls can mimic legitimate PSTN traffic passing through trusted carriers. The secret lies in understanding how different financial institutions validate incoming numbers.

Some banks only check basic caller ID. These are your easy targets - basic number spoofing works fine. Others dig deeper, looking at call routing and carrier signatures. These need proper SIP infrastructure to appear legitimate.

The most sophisticated systems analyze call patterns over time. They track how often numbers hit their system, which carriers route them, and typical usage patterns.

Building Your Own Setup

Here are two methods that actually work without needing a PhD in telecommunications:

Method 1: Carded SIP Trunk

Easiest method that still gets results. Card Twilio, Telnyx or voip.ms. These work fine for most sites.

Requirements:
  • Clean card with solid antidetect setup
  • Business email (not free email)
  • MicroSIP (free softphone)
  • Residential proxy
Steps:
View attachment 6353

  1. Card a Telnyx Account (or other SIP providers):
    • Sign up for an account with Telnyx or your preferred SIP provider.
  2. Buy a DID Number:
    • Purchase a DID number that matches your target area for local calls.
  3. Grab Credentials from the Dashboard:
    • Log in to your Telnyx dashboard and navigate to the section where you can find your SIP credentials (username, password, and SIP server details).
  4. Change the Caller ID:
    • In your Telnyx account, look for the option to set a Caller ID Override. This allows you to specify the caller ID you want to display when making outbound calls.
  5. Configure MicroSIP:
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following details:
      • Domain:
        Code:
        sip.telnyx.com
        (or the SIP server address provided by your provider).
      • Username: Your SIP username from the Telnyx dashboard.
      • Password: Your SIP password from the Telnyx dashboard.
      • Transport: Select TCP.
      • Set Local Number as Your DID: Enter your purchased DID number in the appropriate field.
  6. Save the Configuration:
    • Click OK to save the account settings in MicroSIP.
  7. Test the Setup:
    • Make an outbound call using MicroSIP to ensure that the caller ID is displayed as specified and that the call connects successfully.

Method 2: DIY FreePBX

More setup work but better for bank related fraud. Harder to detect since you control the whole system.
View attachment 6354
Requirements:
  • Carded VPS (OVH or DigitalOcean work fine)
  • FreePBX ISO
  • DID number from any provider (some are more accomodating to spoofing, so do your own research)
  • MicroSIP
  • Same proxy setup as Method 1
Steps:
  1. Card a VPS:
    • Choose a VPS provider and set up your server.
  2. Download and Install FreePBX:
    • Follow the installation instructions for FreePBX on your VPS.
  3. Basic Configuration in Admin Panel:
    • Add Extensions:
      • Go to Applications > Extensions and create the necessary extensions.
    • Set Outbound Routes:
      • Navigate to Connectivity > Outbound Routes and configure your outbound routes.
      • In the outbound route settings, find the CID Options to set the default caller ID you want to use for outbound calls.
    • Configure Your DIDs:
      • Go to Connectivity > Inbound Routes and set up any Direct Inward Dialing (DID) numbers you have.
  4. Set Caller ID Spoofing:
    • In the Outbound Routes, specify the caller ID you want to use in the Caller ID field (make sure you have the right to use this number).
    • Ensure your trunk settings allow for caller ID manipulation.
  5. Point MicroSIP to Your VPS IP:
    • Download and install MicroSIP on your local machine.
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following:
      • Display Name: Name for the account.
      • SIP Server: Your VPSs IP address or domain name.
      • SIP Username: The extension number you created.
      • SIP Password: The password associated with that extension.
      • STUN Server (optional): Use a STUN server if needed for NAT.
  6. Save the Configuration in MicroSIP:
    • Click OK to save the account settings.
  7. Test the Connection:
    • Make a test call to ensure that the spoofed caller ID is displayed correctly and that the call goes through successfully.
Both methods work but remember these core rules:

* Hidden text: cannot be quoted. *


Running your own PBX server will give you more consistency, since these SIP providers are iffy and tend to disable accounts they suspect of malicious activities from time to time. However, if youre just starting, stick with Method 1. Its simpler and good enough for most shit. Only bother with FreePBX if youre doing heavy bank fraud or need total control over your infrastructure.

Conclusion

Call spoofing isn't some magic trick - it's a technical skill that requires serious know-how and infrastructure. If you're still thinking about using some bullshit app or Telegram service, you're missing the point entirely.

Understanding the tech stack is crucial, and DIY setups give you more control and consistency. This guide isn't for wannabes or script kiddies. It's for those ready to put in the work and be better at fraud.

Master these techniques, and you'll open doors that most "carders" can only dream about. Just don't come crying when you fuck up and get caught. This shit's not a game. Stay sharp, stay cautious, and always be learning. The phone system's a mess, and that's your advantage - if you're smart enough to use it. d0ctrine out.
Thanks
 

drwayne00

Newbie
Joined
10.12.24
Messages
5
Reaction score
0
Points
1
asc-logo.png


πŸ“ž All About Call Spoofing πŸ“ž

Real call spoofing requires serious infrastructure and technical knowledge - not that TextNow app bullshit or Telegram ripper garbage that floods your DMs. Those dipshits selling "private number" services wouldnt know proper spoofing if it slapped them in their face.

View attachment 6349

This guide breaks down call spoofing from basic concepts to advanced exploitation. No flashy promises, no magic apps - just the hard technical knowledge that lets you bypass modern call detection systems.

Big Money Still Flows Through Voice

Phone systems still drive billions in sales across major retailers. Companies like Victorias Secret, Nordstrom and countless others actively push customers to order by phone. Why? Because old people are retarded when it comes to technology. As to why your granma needs Victoria Secret lingerie, thats a mystery for another day.

But even without direct phone carding, voice spoofing unlocks a trove of opportunities:
  • Balance checking at scale
  • Mass OTP interception
  • Bank account takeover
  • Order rerouting/address changes
  • Refund fraud at scale
  • Corporate account compromise
  • Customer service social engineering
The financial sector especially runs on voice. Those phone reps get trained to "help customers" work around security measures, creating perfect social engineering opportunities. One clean spoofed call can accomplish more than days of failed web-based attempts.

The Technical Stack

View attachment 6350


Modern phone systems are a beautiful clusterfuck of old and new tech mashed together. Understanding this mess matters because most fraud prevention still relies on legacy systems that barely changed since the 90s.

Three levels of spoofing exist in this ecosystem:
  1. Basic ID Spoofing: What those garbage apps do. Just changes the displayed number without touching underlying call data. Fine for pranking your friends, useless for anything serious.
  2. Carrier-Level Spoofing: Routes calls through legitimate telcos, making them appear as normal PSTN traffic. Expensive as fuck but nearly impossible to detect. Required for serious bank operations.
  3. Full SIP Spoofing: The sweet spot for most carders. Controls the entire call chain and mimics legitimate traffic patterns. Needs proper infrastructure but can bypass most detection systems.
The Building Blocks

Three main types of phone systems matter for us:

PSTN (Public Switched Telephone Network)
The granddaddy of them all. This traditional phone network still connects landlines worldwide. Banks, credit card companies and big corporations use PSTN because its reliable as fuck. When you call Chase or Amex, youre probably hitting their PSTN lines.

For carders, PSTN matters because:
  • Most financial institutions trust PSTN calls more than VoIP
  • Caller ID spoofing detection barely exists
  • Crystal clear audio quality (crucial for social engineering)
  • Less recording/monitoring compared to VoIP
VoIP (Voice over IP)
Voice transmitted over internet protocol - basically turning voice into data packets. Think Skype or your sketchy calling app. Most modern business phone systems use VoIP because its cheap and flexible.

VoIP advantages for fraud:
  • Easy to mask origin location
  • Dirt cheap international calls
  • Simple operation scaling
  • Multiple numbers on one system
  • Advanced call routing options
SIP (Session Initiation Protocol)
The protocol that makes VoIP work. SIP handles all the setup, teardown and control of VoIP calls. Think of it like HTTP but for voice communication. Most importantly, SIP lets us build our own private phone infrastructure.

Why SIP rocks for carders:
  • Complete control over caller ID presentation
  • Route calls through multiple servers
  • Mix with VPNs for extra anonymity
  • Build private phone networks
  • No central provider to snitch

Typical call flow looks like this:
View attachment 6351
Code:
Your Device -> SIP Server -> VoIP Provider -> PSTN Gateway -> Target Phone

Each hop in this chain affects how receiving systems see your calls. Banks dont just check the phone number - they analyze the entire call signature as it passes through this infrastructure.

This is why running your own SIP setup matters. Those "private number" services might work for pizza orders but anything touching financial systems needs proper infrastructure.

The Reality of Caller ID

View attachment 6352

Banks and financial institutions validate incoming calls through multiple layers of checks that cheap spoofers cant bypass. When a call hits their system, they check:
  • The presented caller ID number
  • Where the call originated from
  • Which carriers handled the routing
  • Call signaling patterns and metadata
  • Historical usage patterns
This is why your TextNow calls get blocked instantly. The numbers might look legit but the underlying signature screams VoIP fraud.

With SIP you control the entire call chain. Your calls can mimic legitimate PSTN traffic passing through trusted carriers. The secret lies in understanding how different financial institutions validate incoming numbers.

Some banks only check basic caller ID. These are your easy targets - basic number spoofing works fine. Others dig deeper, looking at call routing and carrier signatures. These need proper SIP infrastructure to appear legitimate.

The most sophisticated systems analyze call patterns over time. They track how often numbers hit their system, which carriers route them, and typical usage patterns.

Building Your Own Setup

Here are two methods that actually work without needing a PhD in telecommunications:

Method 1: Carded SIP Trunk

Easiest method that still gets results. Card Twilio, Telnyx or voip.ms. These work fine for most sites.

Requirements:
  • Clean card with solid antidetect setup
  • Business email (not free email)
  • MicroSIP (free softphone)
  • Residential proxy
Steps:
View attachment 6353

  1. Card a Telnyx Account (or other SIP providers):
    • Sign up for an account with Telnyx or your preferred SIP provider.
  2. Buy a DID Number:
    • Purchase a DID number that matches your target area for local calls.
  3. Grab Credentials from the Dashboard:
    • Log in to your Telnyx dashboard and navigate to the section where you can find your SIP credentials (username, password, and SIP server details).
  4. Change the Caller ID:
    • In your Telnyx account, look for the option to set a Caller ID Override. This allows you to specify the caller ID you want to display when making outbound calls.
  5. Configure MicroSIP:
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following details:
      • Domain:
        Code:
        sip.telnyx.com
        (or the SIP server address provided by your provider).
      • Username: Your SIP username from the Telnyx dashboard.
      • Password: Your SIP password from the Telnyx dashboard.
      • Transport: Select TCP.
      • Set Local Number as Your DID: Enter your purchased DID number in the appropriate field.
  6. Save the Configuration:
    • Click OK to save the account settings in MicroSIP.
  7. Test the Setup:
    • Make an outbound call using MicroSIP to ensure that the caller ID is displayed as specified and that the call connects successfully.

Method 2: DIY FreePBX

More setup work but better for bank related fraud. Harder to detect since you control the whole system.
View attachment 6354
Requirements:
  • Carded VPS (OVH or DigitalOcean work fine)
  • FreePBX ISO
  • DID number from any provider (some are more accomodating to spoofing, so do your own research)
  • MicroSIP
  • Same proxy setup as Method 1
Steps:
  1. Card a VPS:
    • Choose a VPS provider and set up your server.
  2. Download and Install FreePBX:
    • Follow the installation instructions for FreePBX on your VPS.
  3. Basic Configuration in Admin Panel:
    • Add Extensions:
      • Go to Applications > Extensions and create the necessary extensions.
    • Set Outbound Routes:
      • Navigate to Connectivity > Outbound Routes and configure your outbound routes.
      • In the outbound route settings, find the CID Options to set the default caller ID you want to use for outbound calls.
    • Configure Your DIDs:
      • Go to Connectivity > Inbound Routes and set up any Direct Inward Dialing (DID) numbers you have.
  4. Set Caller ID Spoofing:
    • In the Outbound Routes, specify the caller ID you want to use in the Caller ID field (make sure you have the right to use this number).
    • Ensure your trunk settings allow for caller ID manipulation.
  5. Point MicroSIP to Your VPS IP:
    • Download and install MicroSIP on your local machine.
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following:
      • Display Name: Name for the account.
      • SIP Server: Your VPSs IP address or domain name.
      • SIP Username: The extension number you created.
      • SIP Password: The password associated with that extension.
      • STUN Server (optional): Use a STUN server if needed for NAT.
  6. Save the Configuration in MicroSIP:
    • Click OK to save the account settings.
  7. Test the Connection:
    • Make a test call to ensure that the spoofed caller ID is displayed correctly and that the call goes through successfully.
Both methods work but remember these core rules:

* Hidden text: cannot be quoted. *


Running your own PBX server will give you more consistency, since these SIP providers are iffy and tend to disable accounts they suspect of malicious activities from time to time. However, if youre just starting, stick with Method 1. Its simpler and good enough for most shit. Only bother with FreePBX if youre doing heavy bank fraud or need total control over your infrastructure.

Conclusion

Call spoofing isn't some magic trick - it's a technical skill that requires serious know-how and infrastructure. If you're still thinking about using some bullshit app or Telegram service, you're missing the point entirely.

Understanding the tech stack is crucial, and DIY setups give you more control and consistency. This guide isn't for wannabes or script kiddies. It's for those ready to put in the work and be better at fraud.

Master these techniques, and you'll open doors that most "carders" can only dream about. Just don't come crying when you fuck up and get caught. This shit's not a game. Stay sharp, stay cautious, and always be learning. The phone system's a mess, and that's your advantage - if you're smart enough to use it. d0ctrine out.
thanks
 

osbcracken

Newbie
Joined
29.03.25
Messages
8
Reaction score
1
Points
3
asc-logo.png


πŸ“ž All About Call Spoofing πŸ“ž

Real call spoofing requires serious infrastructure and technical knowledge - not that TextNow app bullshit or Telegram ripper garbage that floods your DMs. Those dipshits selling "private number" services wouldnt know proper spoofing if it slapped them in their face.

View attachment 6349

This guide breaks down call spoofing from basic concepts to advanced exploitation. No flashy promises, no magic apps - just the hard technical knowledge that lets you bypass modern call detection systems.

Big Money Still Flows Through Voice

Phone systems still drive billions in sales across major retailers. Companies like Victorias Secret, Nordstrom and countless others actively push customers to order by phone. Why? Because old people are retarded when it comes to technology. As to why your granma needs Victoria Secret lingerie, thats a mystery for another day.

But even without direct phone carding, voice spoofing unlocks a trove of opportunities:
  • Balance checking at scale
  • Mass OTP interception
  • Bank account takeover
  • Order rerouting/address changes
  • Refund fraud at scale
  • Corporate account compromise
  • Customer service social engineering
The financial sector especially runs on voice. Those phone reps get trained to "help customers" work around security measures, creating perfect social engineering opportunities. One clean spoofed call can accomplish more than days of failed web-based attempts.

The Technical Stack

View attachment 6350


Modern phone systems are a beautiful clusterfuck of old and new tech mashed together. Understanding this mess matters because most fraud prevention still relies on legacy systems that barely changed since the 90s.

Three levels of spoofing exist in this ecosystem:
  1. Basic ID Spoofing: What those garbage apps do. Just changes the displayed number without touching underlying call data. Fine for pranking your friends, useless for anything serious.
  2. Carrier-Level Spoofing: Routes calls through legitimate telcos, making them appear as normal PSTN traffic. Expensive as fuck but nearly impossible to detect. Required for serious bank operations.
  3. Full SIP Spoofing: The sweet spot for most carders. Controls the entire call chain and mimics legitimate traffic patterns. Needs proper infrastructure but can bypass most detection systems.
The Building Blocks

Three main types of phone systems matter for us:

PSTN (Public Switched Telephone Network)
The granddaddy of them all. This traditional phone network still connects landlines worldwide. Banks, credit card companies and big corporations use PSTN because its reliable as fuck. When you call Chase or Amex, youre probably hitting their PSTN lines.

For carders, PSTN matters because:
  • Most financial institutions trust PSTN calls more than VoIP
  • Caller ID spoofing detection barely exists
  • Crystal clear audio quality (crucial for social engineering)
  • Less recording/monitoring compared to VoIP
VoIP (Voice over IP)
Voice transmitted over internet protocol - basically turning voice into data packets. Think Skype or your sketchy calling app. Most modern business phone systems use VoIP because its cheap and flexible.

VoIP advantages for fraud:
  • Easy to mask origin location
  • Dirt cheap international calls
  • Simple operation scaling
  • Multiple numbers on one system
  • Advanced call routing options
SIP (Session Initiation Protocol)
The protocol that makes VoIP work. SIP handles all the setup, teardown and control of VoIP calls. Think of it like HTTP but for voice communication. Most importantly, SIP lets us build our own private phone infrastructure.

Why SIP rocks for carders:
  • Complete control over caller ID presentation
  • Route calls through multiple servers
  • Mix with VPNs for extra anonymity
  • Build private phone networks
  • No central provider to snitch

Typical call flow looks like this:
View attachment 6351
Code:
Your Device -> SIP Server -> VoIP Provider -> PSTN Gateway -> Target Phone

Each hop in this chain affects how receiving systems see your calls. Banks dont just check the phone number - they analyze the entire call signature as it passes through this infrastructure.

This is why running your own SIP setup matters. Those "private number" services might work for pizza orders but anything touching financial systems needs proper infrastructure.

The Reality of Caller ID

View attachment 6352

Banks and financial institutions validate incoming calls through multiple layers of checks that cheap spoofers cant bypass. When a call hits their system, they check:
  • The presented caller ID number
  • Where the call originated from
  • Which carriers handled the routing
  • Call signaling patterns and metadata
  • Historical usage patterns
This is why your TextNow calls get blocked instantly. The numbers might look legit but the underlying signature screams VoIP fraud.

With SIP you control the entire call chain. Your calls can mimic legitimate PSTN traffic passing through trusted carriers. The secret lies in understanding how different financial institutions validate incoming numbers.

Some banks only check basic caller ID. These are your easy targets - basic number spoofing works fine. Others dig deeper, looking at call routing and carrier signatures. These need proper SIP infrastructure to appear legitimate.

The most sophisticated systems analyze call patterns over time. They track how often numbers hit their system, which carriers route them, and typical usage patterns.

Building Your Own Setup

Here are two methods that actually work without needing a PhD in telecommunications:

Method 1: Carded SIP Trunk

Easiest method that still gets results. Card Twilio, Telnyx or voip.ms. These work fine for most sites.

Requirements:
  • Clean card with solid antidetect setup
  • Business email (not free email)
  • MicroSIP (free softphone)
  • Residential proxy
Steps:
View attachment 6353

  1. Card a Telnyx Account (or other SIP providers):
    • Sign up for an account with Telnyx or your preferred SIP provider.
  2. Buy a DID Number:
    • Purchase a DID number that matches your target area for local calls.
  3. Grab Credentials from the Dashboard:
    • Log in to your Telnyx dashboard and navigate to the section where you can find your SIP credentials (username, password, and SIP server details).
  4. Change the Caller ID:
    • In your Telnyx account, look for the option to set a Caller ID Override. This allows you to specify the caller ID you want to display when making outbound calls.
  5. Configure MicroSIP:
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following details:
      • Domain:
        Code:
        sip.telnyx.com
        (or the SIP server address provided by your provider).
      • Username: Your SIP username from the Telnyx dashboard.
      • Password: Your SIP password from the Telnyx dashboard.
      • Transport: Select TCP.
      • Set Local Number as Your DID: Enter your purchased DID number in the appropriate field.
  6. Save the Configuration:
    • Click OK to save the account settings in MicroSIP.
  7. Test the Setup:
    • Make an outbound call using MicroSIP to ensure that the caller ID is displayed as specified and that the call connects successfully.

Method 2: DIY FreePBX

More setup work but better for bank related fraud. Harder to detect since you control the whole system.
View attachment 6354
Requirements:
  • Carded VPS (OVH or DigitalOcean work fine)
  • FreePBX ISO
  • DID number from any provider (some are more accomodating to spoofing, so do your own research)
  • MicroSIP
  • Same proxy setup as Method 1
Steps:
  1. Card a VPS:
    • Choose a VPS provider and set up your server.
  2. Download and Install FreePBX:
    • Follow the installation instructions for FreePBX on your VPS.
  3. Basic Configuration in Admin Panel:
    • Add Extensions:
      • Go to Applications > Extensions and create the necessary extensions.
    • Set Outbound Routes:
      • Navigate to Connectivity > Outbound Routes and configure your outbound routes.
      • In the outbound route settings, find the CID Options to set the default caller ID you want to use for outbound calls.
    • Configure Your DIDs:
      • Go to Connectivity > Inbound Routes and set up any Direct Inward Dialing (DID) numbers you have.
  4. Set Caller ID Spoofing:
    • In the Outbound Routes, specify the caller ID you want to use in the Caller ID field (make sure you have the right to use this number).
    • Ensure your trunk settings allow for caller ID manipulation.
  5. Point MicroSIP to Your VPS IP:
    • Download and install MicroSIP on your local machine.
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following:
      • Display Name: Name for the account.
      • SIP Server: Your VPSs IP address or domain name.
      • SIP Username: The extension number you created.
      • SIP Password: The password associated with that extension.
      • STUN Server (optional): Use a STUN server if needed for NAT.
  6. Save the Configuration in MicroSIP:
    • Click OK to save the account settings.
  7. Test the Connection:
    • Make a test call to ensure that the spoofed caller ID is displayed correctly and that the call goes through successfully.
Both methods work but remember these core rules:

* Hidden text: cannot be quoted. *


Running your own PBX server will give you more consistency, since these SIP providers are iffy and tend to disable accounts they suspect of malicious activities from time to time. However, if youre just starting, stick with Method 1. Its simpler and good enough for most shit. Only bother with FreePBX if youre doing heavy bank fraud or need total control over your infrastructure.

Conclusion

Call spoofing isn't some magic trick - it's a technical skill that requires serious know-how and infrastructure. If you're still thinking about using some bullshit app or Telegram service, you're missing the point entirely.

Understanding the tech stack is crucial, and DIY setups give you more control and consistency. This guide isn't for wannabes or script kiddies. It's for those ready to put in the work and be better at fraud.

Master these techniques, and you'll open doors that most "carders" can only dream about. Just don't come crying when you fuck up and get caught. This shit's not a game. Stay sharp, stay cautious, and always be learning. The phone system's a mess, and that's your advantage - if you're smart enough to use it. d0ctrine out.
Thx
 

samhand

Newbie
Joined
08.03.25
Messages
12
Reaction score
1
Points
3
asc-logo.png


πŸ“ž All About Call Spoofing πŸ“ž

Real call spoofing requires serious infrastructure and technical knowledge - not that TextNow app bullshit or Telegram ripper garbage that floods your DMs. Those dipshits selling "private number" services wouldnt know proper spoofing if it slapped them in their face.

View attachment 6349

This guide breaks down call spoofing from basic concepts to advanced exploitation. No flashy promises, no magic apps - just the hard technical knowledge that lets you bypass modern call detection systems.

Big Money Still Flows Through Voice

Phone systems still drive billions in sales across major retailers. Companies like Victorias Secret, Nordstrom and countless others actively push customers to order by phone. Why? Because old people are retarded when it comes to technology. As to why your granma needs Victoria Secret lingerie, thats a mystery for another day.

But even without direct phone carding, voice spoofing unlocks a trove of opportunities:
  • Balance checking at scale
  • Mass OTP interception
  • Bank account takeover
  • Order rerouting/address changes
  • Refund fraud at scale
  • Corporate account compromise
  • Customer service social engineering
The financial sector especially runs on voice. Those phone reps get trained to "help customers" work around security measures, creating perfect social engineering opportunities. One clean spoofed call can accomplish more than days of failed web-based attempts.

The Technical Stack

View attachment 6350


Modern phone systems are a beautiful clusterfuck of old and new tech mashed together. Understanding this mess matters because most fraud prevention still relies on legacy systems that barely changed since the 90s.

Three levels of spoofing exist in this ecosystem:
  1. Basic ID Spoofing: What those garbage apps do. Just changes the displayed number without touching underlying call data. Fine for pranking your friends, useless for anything serious.
  2. Carrier-Level Spoofing: Routes calls through legitimate telcos, making them appear as normal PSTN traffic. Expensive as fuck but nearly impossible to detect. Required for serious bank operations.
  3. Full SIP Spoofing: The sweet spot for most carders. Controls the entire call chain and mimics legitimate traffic patterns. Needs proper infrastructure but can bypass most detection systems.
The Building Blocks

Three main types of phone systems matter for us:

PSTN (Public Switched Telephone Network)
The granddaddy of them all. This traditional phone network still connects landlines worldwide. Banks, credit card companies and big corporations use PSTN because its reliable as fuck. When you call Chase or Amex, youre probably hitting their PSTN lines.

For carders, PSTN matters because:
  • Most financial institutions trust PSTN calls more than VoIP
  • Caller ID spoofing detection barely exists
  • Crystal clear audio quality (crucial for social engineering)
  • Less recording/monitoring compared to VoIP
VoIP (Voice over IP)
Voice transmitted over internet protocol - basically turning voice into data packets. Think Skype or your sketchy calling app. Most modern business phone systems use VoIP because its cheap and flexible.

VoIP advantages for fraud:
  • Easy to mask origin location
  • Dirt cheap international calls
  • Simple operation scaling
  • Multiple numbers on one system
  • Advanced call routing options
SIP (Session Initiation Protocol)
The protocol that makes VoIP work. SIP handles all the setup, teardown and control of VoIP calls. Think of it like HTTP but for voice communication. Most importantly, SIP lets us build our own private phone infrastructure.

Why SIP rocks for carders:
  • Complete control over caller ID presentation
  • Route calls through multiple servers
  • Mix with VPNs for extra anonymity
  • Build private phone networks
  • No central provider to snitch

Typical call flow looks like this:
View attachment 6351
Code:
Your Device -> SIP Server -> VoIP Provider -> PSTN Gateway -> Target Phone

Each hop in this chain affects how receiving systems see your calls. Banks dont just check the phone number - they analyze the entire call signature as it passes through this infrastructure.

This is why running your own SIP setup matters. Those "private number" services might work for pizza orders but anything touching financial systems needs proper infrastructure.

The Reality of Caller ID

View attachment 6352

Banks and financial institutions validate incoming calls through multiple layers of checks that cheap spoofers cant bypass. When a call hits their system, they check:
  • The presented caller ID number
  • Where the call originated from
  • Which carriers handled the routing
  • Call signaling patterns and metadata
  • Historical usage patterns
This is why your TextNow calls get blocked instantly. The numbers might look legit but the underlying signature screams VoIP fraud.

With SIP you control the entire call chain. Your calls can mimic legitimate PSTN traffic passing through trusted carriers. The secret lies in understanding how different financial institutions validate incoming numbers.

Some banks only check basic caller ID. These are your easy targets - basic number spoofing works fine. Others dig deeper, looking at call routing and carrier signatures. These need proper SIP infrastructure to appear legitimate.

The most sophisticated systems analyze call patterns over time. They track how often numbers hit their system, which carriers route them, and typical usage patterns.

Building Your Own Setup

Here are two methods that actually work without needing a PhD in telecommunications:

Method 1: Carded SIP Trunk

Easiest method that still gets results. Card Twilio, Telnyx or voip.ms. These work fine for most sites.

Requirements:
  • Clean card with solid antidetect setup
  • Business email (not free email)
  • MicroSIP (free softphone)
  • Residential proxy
Steps:
View attachment 6353

  1. Card a Telnyx Account (or other SIP providers):
    • Sign up for an account with Telnyx or your preferred SIP provider.
  2. Buy a DID Number:
    • Purchase a DID number that matches your target area for local calls.
  3. Grab Credentials from the Dashboard:
    • Log in to your Telnyx dashboard and navigate to the section where you can find your SIP credentials (username, password, and SIP server details).
  4. Change the Caller ID:
    • In your Telnyx account, look for the option to set a Caller ID Override. This allows you to specify the caller ID you want to display when making outbound calls.
  5. Configure MicroSIP:
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following details:
      • Domain:
        Code:
        sip.telnyx.com
        (or the SIP server address provided by your provider).
      • Username: Your SIP username from the Telnyx dashboard.
      • Password: Your SIP password from the Telnyx dashboard.
      • Transport: Select TCP.
      • Set Local Number as Your DID: Enter your purchased DID number in the appropriate field.
  6. Save the Configuration:
    • Click OK to save the account settings in MicroSIP.
  7. Test the Setup:
    • Make an outbound call using MicroSIP to ensure that the caller ID is displayed as specified and that the call connects successfully.

Method 2: DIY FreePBX

More setup work but better for bank related fraud. Harder to detect since you control the whole system.
View attachment 6354
Requirements:
  • Carded VPS (OVH or DigitalOcean work fine)
  • FreePBX ISO
  • DID number from any provider (some are more accomodating to spoofing, so do your own research)
  • MicroSIP
  • Same proxy setup as Method 1
Steps:
  1. Card a VPS:
    • Choose a VPS provider and set up your server.
  2. Download and Install FreePBX:
    • Follow the installation instructions for FreePBX on your VPS.
  3. Basic Configuration in Admin Panel:
    • Add Extensions:
      • Go to Applications > Extensions and create the necessary extensions.
    • Set Outbound Routes:
      • Navigate to Connectivity > Outbound Routes and configure your outbound routes.
      • In the outbound route settings, find the CID Options to set the default caller ID you want to use for outbound calls.
    • Configure Your DIDs:
      • Go to Connectivity > Inbound Routes and set up any Direct Inward Dialing (DID) numbers you have.
  4. Set Caller ID Spoofing:
    • In the Outbound Routes, specify the caller ID you want to use in the Caller ID field (make sure you have the right to use this number).
    • Ensure your trunk settings allow for caller ID manipulation.
  5. Point MicroSIP to Your VPS IP:
    • Download and install MicroSIP on your local machine.
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following:
      • Display Name: Name for the account.
      • SIP Server: Your VPSs IP address or domain name.
      • SIP Username: The extension number you created.
      • SIP Password: The password associated with that extension.
      • STUN Server (optional): Use a STUN server if needed for NAT.
  6. Save the Configuration in MicroSIP:
    • Click OK to save the account settings.
  7. Test the Connection:
    • Make a test call to ensure that the spoofed caller ID is displayed correctly and that the call goes through successfully.
Both methods work but remember these core rules:

* Hidden text: cannot be quoted. *


Running your own PBX server will give you more consistency, since these SIP providers are iffy and tend to disable accounts they suspect of malicious activities from time to time. However, if youre just starting, stick with Method 1. Its simpler and good enough for most shit. Only bother with FreePBX if youre doing heavy bank fraud or need total control over your infrastructure.

Conclusion

Call spoofing isn't some magic trick - it's a technical skill that requires serious know-how and infrastructure. If you're still thinking about using some bullshit app or Telegram service, you're missing the point entirely.

Understanding the tech stack is crucial, and DIY setups give you more control and consistency. This guide isn't for wannabes or script kiddies. It's for those ready to put in the work and be better at fraud.

Master these techniques, and you'll open doors that most "carders" can only dream about. Just don't come crying when you fuck up and get caught. This shit's not a game. Stay sharp, stay cautious, and always be learning. The phone system's a mess, and that's your advantage - if you're smart enough to use it. d0ctrine out.
thank you
 

glendsito

Newbie
Joined
01.04.25
Messages
9
Reaction score
0
Points
1
asc-logo.png


πŸ“ž All About Call Spoofing πŸ“ž

Real call spoofing requires serious infrastructure and technical knowledge - not that TextNow app bullshit or Telegram ripper garbage that floods your DMs. Those dipshits selling "private number" services wouldnt know proper spoofing if it slapped them in their face.

View attachment 6349

This guide breaks down call spoofing from basic concepts to advanced exploitation. No flashy promises, no magic apps - just the hard technical knowledge that lets you bypass modern call detection systems.

Big Money Still Flows Through Voice

Phone systems still drive billions in sales across major retailers. Companies like Victorias Secret, Nordstrom and countless others actively push customers to order by phone. Why? Because old people are retarded when it comes to technology. As to why your granma needs Victoria Secret lingerie, thats a mystery for another day.

But even without direct phone carding, voice spoofing unlocks a trove of opportunities:
  • Balance checking at scale
  • Mass OTP interception
  • Bank account takeover
  • Order rerouting/address changes
  • Refund fraud at scale
  • Corporate account compromise
  • Customer service social engineering
The financial sector especially runs on voice. Those phone reps get trained to "help customers" work around security measures, creating perfect social engineering opportunities. One clean spoofed call can accomplish more than days of failed web-based attempts.

The Technical Stack

View attachment 6350


Modern phone systems are a beautiful clusterfuck of old and new tech mashed together. Understanding this mess matters because most fraud prevention still relies on legacy systems that barely changed since the 90s.

Three levels of spoofing exist in this ecosystem:
  1. Basic ID Spoofing: What those garbage apps do. Just changes the displayed number without touching underlying call data. Fine for pranking your friends, useless for anything serious.
  2. Carrier-Level Spoofing: Routes calls through legitimate telcos, making them appear as normal PSTN traffic. Expensive as fuck but nearly impossible to detect. Required for serious bank operations.
  3. Full SIP Spoofing: The sweet spot for most carders. Controls the entire call chain and mimics legitimate traffic patterns. Needs proper infrastructure but can bypass most detection systems.
The Building Blocks

Three main types of phone systems matter for us:

PSTN (Public Switched Telephone Network)
The granddaddy of them all. This traditional phone network still connects landlines worldwide. Banks, credit card companies and big corporations use PSTN because its reliable as fuck. When you call Chase or Amex, youre probably hitting their PSTN lines.

For carders, PSTN matters because:
  • Most financial institutions trust PSTN calls more than VoIP
  • Caller ID spoofing detection barely exists
  • Crystal clear audio quality (crucial for social engineering)
  • Less recording/monitoring compared to VoIP
VoIP (Voice over IP)
Voice transmitted over internet protocol - basically turning voice into data packets. Think Skype or your sketchy calling app. Most modern business phone systems use VoIP because its cheap and flexible.

VoIP advantages for fraud:
  • Easy to mask origin location
  • Dirt cheap international calls
  • Simple operation scaling
  • Multiple numbers on one system
  • Advanced call routing options
SIP (Session Initiation Protocol)
The protocol that makes VoIP work. SIP handles all the setup, teardown and control of VoIP calls. Think of it like HTTP but for voice communication. Most importantly, SIP lets us build our own private phone infrastructure.

Why SIP rocks for carders:
  • Complete control over caller ID presentation
  • Route calls through multiple servers
  • Mix with VPNs for extra anonymity
  • Build private phone networks
  • No central provider to snitch

Typical call flow looks like this:
View attachment 6351
Code:
Your Device -> SIP Server -> VoIP Provider -> PSTN Gateway -> Target Phone

Each hop in this chain affects how receiving systems see your calls. Banks dont just check the phone number - they analyze the entire call signature as it passes through this infrastructure.

This is why running your own SIP setup matters. Those "private number" services might work for pizza orders but anything touching financial systems needs proper infrastructure.

The Reality of Caller ID

View attachment 6352

Banks and financial institutions validate incoming calls through multiple layers of checks that cheap spoofers cant bypass. When a call hits their system, they check:
  • The presented caller ID number
  • Where the call originated from
  • Which carriers handled the routing
  • Call signaling patterns and metadata
  • Historical usage patterns
This is why your TextNow calls get blocked instantly. The numbers might look legit but the underlying signature screams VoIP fraud.

With SIP you control the entire call chain. Your calls can mimic legitimate PSTN traffic passing through trusted carriers. The secret lies in understanding how different financial institutions validate incoming numbers.

Some banks only check basic caller ID. These are your easy targets - basic number spoofing works fine. Others dig deeper, looking at call routing and carrier signatures. These need proper SIP infrastructure to appear legitimate.

The most sophisticated systems analyze call patterns over time. They track how often numbers hit their system, which carriers route them, and typical usage patterns.

Building Your Own Setup

Here are two methods that actually work without needing a PhD in telecommunications:

Method 1: Carded SIP Trunk

Easiest method that still gets results. Card Twilio, Telnyx or voip.ms. These work fine for most sites.

Requirements:
  • Clean card with solid antidetect setup
  • Business email (not free email)
  • MicroSIP (free softphone)
  • Residential proxy
Steps:
View attachment 6353

  1. Card a Telnyx Account (or other SIP providers):
    • Sign up for an account with Telnyx or your preferred SIP provider.
  2. Buy a DID Number:
    • Purchase a DID number that matches your target area for local calls.
  3. Grab Credentials from the Dashboard:
    • Log in to your Telnyx dashboard and navigate to the section where you can find your SIP credentials (username, password, and SIP server details).
  4. Change the Caller ID:
    • In your Telnyx account, look for the option to set a Caller ID Override. This allows you to specify the caller ID you want to display when making outbound calls.
  5. Configure MicroSIP:
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following details:
      • Domain:
        Code:
        sip.telnyx.com
        (or the SIP server address provided by your provider).
      • Username: Your SIP username from the Telnyx dashboard.
      • Password: Your SIP password from the Telnyx dashboard.
      • Transport: Select TCP.
      • Set Local Number as Your DID: Enter your purchased DID number in the appropriate field.
  6. Save the Configuration:
    • Click OK to save the account settings in MicroSIP.
  7. Test the Setup:
    • Make an outbound call using MicroSIP to ensure that the caller ID is displayed as specified and that the call connects successfully.

Method 2: DIY FreePBX

More setup work but better for bank related fraud. Harder to detect since you control the whole system.
View attachment 6354
Requirements:
  • Carded VPS (OVH or DigitalOcean work fine)
  • FreePBX ISO
  • DID number from any provider (some are more accomodating to spoofing, so do your own research)
  • MicroSIP
  • Same proxy setup as Method 1
Steps:
  1. Card a VPS:
    • Choose a VPS provider and set up your server.
  2. Download and Install FreePBX:
    • Follow the installation instructions for FreePBX on your VPS.
  3. Basic Configuration in Admin Panel:
    • Add Extensions:
      • Go to Applications > Extensions and create the necessary extensions.
    • Set Outbound Routes:
      • Navigate to Connectivity > Outbound Routes and configure your outbound routes.
      • In the outbound route settings, find the CID Options to set the default caller ID you want to use for outbound calls.
    • Configure Your DIDs:
      • Go to Connectivity > Inbound Routes and set up any Direct Inward Dialing (DID) numbers you have.
  4. Set Caller ID Spoofing:
    • In the Outbound Routes, specify the caller ID you want to use in the Caller ID field (make sure you have the right to use this number).
    • Ensure your trunk settings allow for caller ID manipulation.
  5. Point MicroSIP to Your VPS IP:
    • Download and install MicroSIP on your local machine.
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following:
      • Display Name: Name for the account.
      • SIP Server: Your VPSs IP address or domain name.
      • SIP Username: The extension number you created.
      • SIP Password: The password associated with that extension.
      • STUN Server (optional): Use a STUN server if needed for NAT.
  6. Save the Configuration in MicroSIP:
    • Click OK to save the account settings.
  7. Test the Connection:
    • Make a test call to ensure that the spoofed caller ID is displayed correctly and that the call goes through successfully.
Both methods work but remember these core rules:

* Hidden text: cannot be quoted. *


Running your own PBX server will give you more consistency, since these SIP providers are iffy and tend to disable accounts they suspect of malicious activities from time to time. However, if youre just starting, stick with Method 1. Its simpler and good enough for most shit. Only bother with FreePBX if youre doing heavy bank fraud or need total control over your infrastructure.

Conclusion

Call spoofing isn't some magic trick - it's a technical skill that requires serious know-how and infrastructure. If you're still thinking about using some bullshit app or Telegram service, you're missing the point entirely.

Understanding the tech stack is crucial, and DIY setups give you more control and consistency. This guide isn't for wannabes or script kiddies. It's for those ready to put in the work and be better at fraud.

Master these techniques, and you'll open doors that most "carders" can only dream about. Just don't come crying when you fuck up and get caught. This shit's not a game. Stay sharp, stay cautious, and always be learning. The phone system's a mess, and that's your advantage - if you're smart enough to use it. d0ctrine out.
good
 
Joined
02.04.25
Messages
4
Reaction score
0
Points
1
asc-logo.png


πŸ“ž All About Call Spoofing πŸ“ž

Real call spoofing requires serious infrastructure and technical knowledge - not that TextNow app bullshit or Telegram ripper garbage that floods your DMs. Those dipshits selling "private number" services wouldnt know proper spoofing if it slapped them in their face.

View attachment 6349

This guide breaks down call spoofing from basic concepts to advanced exploitation. No flashy promises, no magic apps - just the hard technical knowledge that lets you bypass modern call detection systems.

Big Money Still Flows Through Voice

Phone systems still drive billions in sales across major retailers. Companies like Victorias Secret, Nordstrom and countless others actively push customers to order by phone. Why? Because old people are retarded when it comes to technology. As to why your granma needs Victoria Secret lingerie, thats a mystery for another day.

But even without direct phone carding, voice spoofing unlocks a trove of opportunities:
  • Balance checking at scale
  • Mass OTP interception
  • Bank account takeover
  • Order rerouting/address changes
  • Refund fraud at scale
  • Corporate account compromise
  • Customer service social engineering
The financial sector especially runs on voice. Those phone reps get trained to "help customers" work around security measures, creating perfect social engineering opportunities. One clean spoofed call can accomplish more than days of failed web-based attempts.

The Technical Stack

View attachment 6350


Modern phone systems are a beautiful clusterfuck of old and new tech mashed together. Understanding this mess matters because most fraud prevention still relies on legacy systems that barely changed since the 90s.

Three levels of spoofing exist in this ecosystem:
  1. Basic ID Spoofing: What those garbage apps do. Just changes the displayed number without touching underlying call data. Fine for pranking your friends, useless for anything serious.
  2. Carrier-Level Spoofing: Routes calls through legitimate telcos, making them appear as normal PSTN traffic. Expensive as fuck but nearly impossible to detect. Required for serious bank operations.
  3. Full SIP Spoofing: The sweet spot for most carders. Controls the entire call chain and mimics legitimate traffic patterns. Needs proper infrastructure but can bypass most detection systems.
The Building Blocks

Three main types of phone systems matter for us:

PSTN (Public Switched Telephone Network)
The granddaddy of them all. This traditional phone network still connects landlines worldwide. Banks, credit card companies and big corporations use PSTN because its reliable as fuck. When you call Chase or Amex, youre probably hitting their PSTN lines.

For carders, PSTN matters because:
  • Most financial institutions trust PSTN calls more than VoIP
  • Caller ID spoofing detection barely exists
  • Crystal clear audio quality (crucial for social engineering)
  • Less recording/monitoring compared to VoIP
VoIP (Voice over IP)
Voice transmitted over internet protocol - basically turning voice into data packets. Think Skype or your sketchy calling app. Most modern business phone systems use VoIP because its cheap and flexible.

VoIP advantages for fraud:
  • Easy to mask origin location
  • Dirt cheap international calls
  • Simple operation scaling
  • Multiple numbers on one system
  • Advanced call routing options
SIP (Session Initiation Protocol)
The protocol that makes VoIP work. SIP handles all the setup, teardown and control of VoIP calls. Think of it like HTTP but for voice communication. Most importantly, SIP lets us build our own private phone infrastructure.

Why SIP rocks for carders:
  • Complete control over caller ID presentation
  • Route calls through multiple servers
  • Mix with VPNs for extra anonymity
  • Build private phone networks
  • No central provider to snitch

Typical call flow looks like this:
View attachment 6351
Code:
Your Device -> SIP Server -> VoIP Provider -> PSTN Gateway -> Target Phone

Each hop in this chain affects how receiving systems see your calls. Banks dont just check the phone number - they analyze the entire call signature as it passes through this infrastructure.

This is why running your own SIP setup matters. Those "private number" services might work for pizza orders but anything touching financial systems needs proper infrastructure.

The Reality of Caller ID

View attachment 6352

Banks and financial institutions validate incoming calls through multiple layers of checks that cheap spoofers cant bypass. When a call hits their system, they check:
  • The presented caller ID number
  • Where the call originated from
  • Which carriers handled the routing
  • Call signaling patterns and metadata
  • Historical usage patterns
This is why your TextNow calls get blocked instantly. The numbers might look legit but the underlying signature screams VoIP fraud.

With SIP you control the entire call chain. Your calls can mimic legitimate PSTN traffic passing through trusted carriers. The secret lies in understanding how different financial institutions validate incoming numbers.

Some banks only check basic caller ID. These are your easy targets - basic number spoofing works fine. Others dig deeper, looking at call routing and carrier signatures. These need proper SIP infrastructure to appear legitimate.

The most sophisticated systems analyze call patterns over time. They track how often numbers hit their system, which carriers route them, and typical usage patterns.

Building Your Own Setup

Here are two methods that actually work without needing a PhD in telecommunications:

Method 1: Carded SIP Trunk

Easiest method that still gets results. Card Twilio, Telnyx or voip.ms. These work fine for most sites.

Requirements:
  • Clean card with solid antidetect setup
  • Business email (not free email)
  • MicroSIP (free softphone)
  • Residential proxy
Steps:
View attachment 6353

  1. Card a Telnyx Account (or other SIP providers):
    • Sign up for an account with Telnyx or your preferred SIP provider.
  2. Buy a DID Number:
    • Purchase a DID number that matches your target area for local calls.
  3. Grab Credentials from the Dashboard:
    • Log in to your Telnyx dashboard and navigate to the section where you can find your SIP credentials (username, password, and SIP server details).
  4. Change the Caller ID:
    • In your Telnyx account, look for the option to set a Caller ID Override. This allows you to specify the caller ID you want to display when making outbound calls.
  5. Configure MicroSIP:
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following details:
      • Domain:
        Code:
        sip.telnyx.com
        (or the SIP server address provided by your provider).
      • Username: Your SIP username from the Telnyx dashboard.
      • Password: Your SIP password from the Telnyx dashboard.
      • Transport: Select TCP.
      • Set Local Number as Your DID: Enter your purchased DID number in the appropriate field.
  6. Save the Configuration:
    • Click OK to save the account settings in MicroSIP.
  7. Test the Setup:
    • Make an outbound call using MicroSIP to ensure that the caller ID is displayed as specified and that the call connects successfully.

Method 2: DIY FreePBX

More setup work but better for bank related fraud. Harder to detect since you control the whole system.
View attachment 6354
Requirements:
  • Carded VPS (OVH or DigitalOcean work fine)
  • FreePBX ISO
  • DID number from any provider (some are more accomodating to spoofing, so do your own research)
  • MicroSIP
  • Same proxy setup as Method 1
Steps:
  1. Card a VPS:
    • Choose a VPS provider and set up your server.
  2. Download and Install FreePBX:
    • Follow the installation instructions for FreePBX on your VPS.
  3. Basic Configuration in Admin Panel:
    • Add Extensions:
      • Go to Applications > Extensions and create the necessary extensions.
    • Set Outbound Routes:
      • Navigate to Connectivity > Outbound Routes and configure your outbound routes.
      • In the outbound route settings, find the CID Options to set the default caller ID you want to use for outbound calls.
    • Configure Your DIDs:
      • Go to Connectivity > Inbound Routes and set up any Direct Inward Dialing (DID) numbers you have.
  4. Set Caller ID Spoofing:
    • In the Outbound Routes, specify the caller ID you want to use in the Caller ID field (make sure you have the right to use this number).
    • Ensure your trunk settings allow for caller ID manipulation.
  5. Point MicroSIP to Your VPS IP:
    • Download and install MicroSIP on your local machine.
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following:
      • Display Name: Name for the account.
      • SIP Server: Your VPSs IP address or domain name.
      • SIP Username: The extension number you created.
      • SIP Password: The password associated with that extension.
      • STUN Server (optional): Use a STUN server if needed for NAT.
  6. Save the Configuration in MicroSIP:
    • Click OK to save the account settings.
  7. Test the Connection:
    • Make a test call to ensure that the spoofed caller ID is displayed correctly and that the call goes through successfully.
Both methods work but remember these core rules:

* Hidden text: cannot be quoted. *


Running your own PBX server will give you more consistency, since these SIP providers are iffy and tend to disable accounts they suspect of malicious activities from time to time. However, if youre just starting, stick with Method 1. Its simpler and good enough for most shit. Only bother with FreePBX if youre doing heavy bank fraud or need total control over your infrastructure.

Conclusion

Call spoofing isn't some magic trick - it's a technical skill that requires serious know-how and infrastructure. If you're still thinking about using some bullshit app or Telegram service, you're missing the point entirely.

Understanding the tech stack is crucial, and DIY setups give you more control and consistency. This guide isn't for wannabes or script kiddies. It's for those ready to put in the work and be better at fraud.

Master these techniques, and you'll open doors that most "carders" can only dream about. Just don't come crying when you fuck up and get caught. This shit's not a game. Stay sharp, stay cautious, and always be learning. The phone system's a mess, and that's your advantage - if you're smart enough to use it. d0ctrine out.
yayy
 

demonastan

Newbie
Joined
27.03.25
Messages
7
Reaction score
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Points
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asc-logo.png


πŸ“ž All About Call Spoofing πŸ“ž

Real call spoofing requires serious infrastructure and technical knowledge - not that TextNow app bullshit or Telegram ripper garbage that floods your DMs. Those dipshits selling "private number" services wouldnt know proper spoofing if it slapped them in their face.

View attachment 6349

This guide breaks down call spoofing from basic concepts to advanced exploitation. No flashy promises, no magic apps - just the hard technical knowledge that lets you bypass modern call detection systems.

Big Money Still Flows Through Voice

Phone systems still drive billions in sales across major retailers. Companies like Victorias Secret, Nordstrom and countless others actively push customers to order by phone. Why? Because old people are retarded when it comes to technology. As to why your granma needs Victoria Secret lingerie, thats a mystery for another day.

But even without direct phone carding, voice spoofing unlocks a trove of opportunities:
  • Balance checking at scale
  • Mass OTP interception
  • Bank account takeover
  • Order rerouting/address changes
  • Refund fraud at scale
  • Corporate account compromise
  • Customer service social engineering
The financial sector especially runs on voice. Those phone reps get trained to "help customers" work around security measures, creating perfect social engineering opportunities. One clean spoofed call can accomplish more than days of failed web-based attempts.

The Technical Stack

View attachment 6350


Modern phone systems are a beautiful clusterfuck of old and new tech mashed together. Understanding this mess matters because most fraud prevention still relies on legacy systems that barely changed since the 90s.

Three levels of spoofing exist in this ecosystem:
  1. Basic ID Spoofing: What those garbage apps do. Just changes the displayed number without touching underlying call data. Fine for pranking your friends, useless for anything serious.
  2. Carrier-Level Spoofing: Routes calls through legitimate telcos, making them appear as normal PSTN traffic. Expensive as fuck but nearly impossible to detect. Required for serious bank operations.
  3. Full SIP Spoofing: The sweet spot for most carders. Controls the entire call chain and mimics legitimate traffic patterns. Needs proper infrastructure but can bypass most detection systems.
The Building Blocks

Three main types of phone systems matter for us:

PSTN (Public Switched Telephone Network)
The granddaddy of them all. This traditional phone network still connects landlines worldwide. Banks, credit card companies and big corporations use PSTN because its reliable as fuck. When you call Chase or Amex, youre probably hitting their PSTN lines.

For carders, PSTN matters because:
  • Most financial institutions trust PSTN calls more than VoIP
  • Caller ID spoofing detection barely exists
  • Crystal clear audio quality (crucial for social engineering)
  • Less recording/monitoring compared to VoIP
VoIP (Voice over IP)
Voice transmitted over internet protocol - basically turning voice into data packets. Think Skype or your sketchy calling app. Most modern business phone systems use VoIP because its cheap and flexible.

VoIP advantages for fraud:
  • Easy to mask origin location
  • Dirt cheap international calls
  • Simple operation scaling
  • Multiple numbers on one system
  • Advanced call routing options
SIP (Session Initiation Protocol)
The protocol that makes VoIP work. SIP handles all the setup, teardown and control of VoIP calls. Think of it like HTTP but for voice communication. Most importantly, SIP lets us build our own private phone infrastructure.

Why SIP rocks for carders:
  • Complete control over caller ID presentation
  • Route calls through multiple servers
  • Mix with VPNs for extra anonymity
  • Build private phone networks
  • No central provider to snitch

Typical call flow looks like this:
View attachment 6351
Code:
Your Device -> SIP Server -> VoIP Provider -> PSTN Gateway -> Target Phone

Mα»—i bΖ°α»›c nhαΊ£y trong chuα»—i nΓ y αΊ£nh hưởng Δ‘αΊΏn cΓ‘ch hệ thα»‘ng tiαΊΏp nhαΊ­n xem cuα»™c gọi cα»§a bαΊ‘n. NgΓ’n hΓ ng khΓ΄ng chỉ kiểm tra sα»‘ Δ‘iện thoαΊ‘i - họ phΓ’n tΓ­ch toΓ n bα»™ chα»― kΓ½ cuα»™c gọi khi nΓ³ Δ‘i qua cΖ‘ sở hαΊ‘ tαΊ§ng nΓ y.

ĐÒy lΓ  lΓ½ do tαΊ‘i sao việc chαΊ‘y thiαΊΏt lαΊ­p SIP cα»§a riΓͺng bαΊ‘n lαΊ‘i quan trọng. CΓ‘c dα»‹ch vα»₯ "sα»‘ riΓͺng" Δ‘Γ³ cΓ³ thể hoαΊ‘t Δ‘α»™ng cho cΓ‘c Δ‘Ζ‘n Δ‘αΊ·t hΓ ng pizza nhΖ°ng bαΊ₯t kα»³ thα»© gΓ¬ liΓͺn quan Δ‘αΊΏn hệ thα»‘ng tΓ i chΓ­nh đều cαΊ§n cΖ‘ sở hαΊ‘ tαΊ§ng phΓΉ hợp.

Sự thật về ID người gọi

View attachment 6352

CΓ‘c ngΓ’n hΓ ng vΓ  tα»• chα»©c tΓ i chΓ­nh xΓ‘c thα»±c cΓ‘c cuα»™c gọi Δ‘αΊΏn thΓ΄ng qua nhiều lα»›p kiểm tra mΓ  nhα»―ng kαΊ» giαΊ£ mαΊ‘o giΓ‘ rαΊ» khΓ΄ng thể vượt qua. Khi mα»™t cuα»™c gọi Δ‘αΊΏn hệ thα»‘ng cα»§a họ, họ sαΊ½ kiểm tra:
  • Sα»‘ ID người gọi được trΓ¬nh bΓ y
  • Cuα»™c gọi bαΊ―t nguα»“n tα»« Δ‘Γ’u
  • Nhα»―ng nhΓ  cung cαΊ₯p nΓ o xα»­ lΓ½ việc Δ‘α»‹nh tuyαΊΏn
  • MαΊ«u tΓ­n hiệu cuα»™c gọi vΓ  siΓͺu dα»― liệu
  • MαΊ«u sα»­ dα»₯ng lα»‹ch sα»­
ĐÒy lΓ  lΓ½ do tαΊ‘i sao cΓ‘c cuα»™c gọi TextNow cα»§a bαΊ‘n bα»‹ chαΊ·n ngay lαΊ­p tα»©c. CΓ‘c sα»‘ cΓ³ thể trΓ΄ng hợp lệ nhΖ°ng chα»― kΓ½ bΓͺn dΖ°α»›i lαΊ‘i cho thαΊ₯y Δ‘Γ’y lΓ  gian lαΊ­n VoIP.

Vα»›i SIP, bαΊ‘n kiểm soΓ‘t toΓ n bα»™ chuα»—i cuα»™c gọi. CΓ‘c cuα»™c gọi cα»§a bαΊ‘n cΓ³ thể mΓ΄ phỏng lΖ°u lượng PSTN hợp phΓ‘p Δ‘i qua cΓ‘c nhΓ  mαΊ‘ng Δ‘Γ‘ng tin cαΊ­y. BΓ­ quyαΊΏt nαΊ±m ở việc hiểu cΓ‘ch cΓ‘c tα»• chα»©c tΓ i chΓ­nh khΓ‘c nhau xΓ‘c thα»±c cΓ‘c sα»‘ Δ‘αΊΏn.

Mα»™t sα»‘ ngΓ’n hΓ ng chỉ kiểm tra ID người gọi cΖ‘ bαΊ£n. ĐÒy lΓ  nhα»―ng mα»₯c tiΓͺu dα»… dΓ ng cα»§a bαΊ‘n - việc giαΊ£ mαΊ‘o sα»‘ cΖ‘ bαΊ£n hoαΊ‘t Δ‘α»™ng tα»‘t. Nhα»―ng ngΓ’n hΓ ng khΓ‘c Δ‘Γ o sΓ’u hΖ‘n, xem xΓ©t Δ‘α»‹nh tuyαΊΏn cuα»™c gọi vΓ  chα»― kΓ½ cα»§a nhΓ  mαΊ‘ng. Nhα»―ng Δ‘iều nΓ y cαΊ§n cΖ‘ sở hαΊ‘ tαΊ§ng SIP phΓΉ hợp để cΓ³ vαΊ» hợp phΓ‘p.

CΓ‘c hệ thα»‘ng tinh vi nhαΊ₯t phΓ’n tΓ­ch cΓ‘c mαΊ«u cuα»™c gọi theo thời gian. ChΓΊng theo dΓ΅i tαΊ§n suαΊ₯t cΓ‘c sα»‘ Δ‘αΊΏn hệ thα»‘ng cα»§a chΓΊng, nhΓ  mαΊ‘ng nΓ o Δ‘α»‹nh tuyαΊΏn chΓΊng vΓ  cΓ‘c mαΊ«u sα»­ dα»₯ng thΓ΄ng thường.

XΓ’y dα»±ng thiαΊΏt lαΊ­p cα»§a riΓͺng bαΊ‘n

Sau Δ‘Γ’y lΓ  hai phΖ°Ζ‘ng phΓ‘p thα»±c sα»± hiệu quαΊ£ mΓ  khΓ΄ng cαΊ§n phαΊ£i cΓ³ bαΊ±ng TiαΊΏn sΔ© về viα»…n thΓ΄ng:

PhưƑng phÑp 1: Đường dÒy SIP có thẻ

PhΖ°Ζ‘ng phΓ‘p dα»… nhαΊ₯t vαΊ«n mang lαΊ‘i kαΊΏt quαΊ£. ThαΊ» Twilio , Telnyx hoαΊ·c voip.ms. Nhα»―ng phΖ°Ζ‘ng phΓ‘p nΓ y hoαΊ‘t Δ‘α»™ng tα»‘t vα»›i hαΊ§u hαΊΏt cΓ‘c trang web.

YΓͺu cαΊ§u:
  • ThαΊ» sαΊ‘ch vα»›i thiαΊΏt lαΊ­p chα»‘ng phΓ‘t hiện chαΊ―c chαΊ―n
  • Email doanh nghiệp (khΓ΄ng phαΊ£i email miα»…n phΓ­)
  • MicroSIP (softphone miα»…n phΓ­)
  • Proxy dΓ’n cΖ°
CΓ‘c bΖ°α»›c thα»±c hiện:
View attachment 6353

  1. Đăng kΓ½ tΓ i khoαΊ£n Telnyx (hoαΊ·c cΓ‘c nhΓ  cung cαΊ₯p SIP khΓ‘c):
    • Đăng kΓ½ tΓ i khoαΊ£n vα»›i Telnyx hoαΊ·c nhΓ  cung cαΊ₯p SIP mΓ  bαΊ‘n Ζ°a thΓ­ch.
  2. Mua sα»‘ DID:
    • Mua sα»‘ DID phΓΉ hợp vα»›i khu vα»±c mα»₯c tiΓͺu cα»§a bαΊ‘n để gọi Δ‘iện nα»™i hαΊ‘t.
  3. LαΊ₯y thΓ΄ng tin xΓ‘c thα»±c tα»« BαΊ£ng Δ‘iều khiển:
    • Đăng nhαΊ­p vΓ o bαΊ£ng Δ‘iều khiển Telnyx vΓ  Δ‘iều hΖ°α»›ng Δ‘αΊΏn phαΊ§n nΖ‘i bαΊ‘n cΓ³ thể tΓ¬m thαΊ₯y thΓ΄ng tin xΓ‘c thα»±c SIP (tΓͺn người dΓΉng, mαΊ­t khαΊ©u vΓ  thΓ΄ng tin chi tiαΊΏt về mΓ‘y chα»§ SIP).
  4. Thay Δ‘α»•i ID người gọi:
    • Trong tΓ i khoαΊ£n Telnyx cα»§a bαΊ‘n, hΓ£y tΓ¬m tΓΉy chọn để thiαΊΏt lαΊ­p Ghi Δ‘Γ¨ ID người gọi . TΓΉy chọn nΓ y cho phΓ©p bαΊ‘n chỉ Δ‘α»‹nh ID người gọi mΓ  bαΊ‘n muα»‘n hiển thα»‹ khi thα»±c hiện cuα»™c gọi Δ‘i.
  5. CαΊ₯u hΓ¬nh MicroSIP:
    • Mở MicroSIP vΓ  vΓ o TΓ i khoαΊ£n > ThΓͺm để tαΊ‘o tΓ i khoαΊ£n SIP mα»›i.
    • NhαΊ­p cΓ‘c thΓ΄ng tin sau:
      • TΓͺn miền:
        Code:
        sip.telnyx.com
        (hoαΊ·c Δ‘α»‹a chỉ mΓ‘y chα»§ SIP do nhΓ  cung cαΊ₯p cα»§a bαΊ‘n cung cαΊ₯p).
      • TΓͺn người dΓΉng: TΓͺn người dΓΉng SIP cα»§a bαΊ‘n tα»« bαΊ£ng Δ‘iều khiển Telnyx.
      • MαΊ­t khαΊ©u: MαΊ­t khαΊ©u SIP cα»§a bαΊ‘n tα»« bαΊ£ng Δ‘iều khiển Telnyx.
      • VαΊ­n chuyển: Chọn TCP .
      • Đặt Sα»‘ Δ‘α»‹a phΖ°Ζ‘ng lΓ m DID cα»§a bαΊ‘n: NhαΊ­p sα»‘ DID Δ‘Γ£ mua vΓ o trường thΓ­ch hợp.
  6. LΖ°u cαΊ₯u hΓ¬nh:
    • NhαΊ₯p vΓ o OK để lΖ°u cΓ i Δ‘αΊ·t tΓ i khoαΊ£n trong MicroSIP.
  7. Kiểm tra thiαΊΏt lαΊ­p:
    • Thα»±c hiện cuα»™c gọi Δ‘i bαΊ±ng MicroSIP để Δ‘αΊ£m bαΊ£o ID người gọi được hiển thα»‹ nhΖ° Δ‘Γ£ chỉ Δ‘α»‹nh vΓ  cuα»™c gọi được kαΊΏt nα»‘i thΓ nh cΓ΄ng.

PhΖ°Ζ‘ng phΓ‘p 2: Tα»± lΓ m FreePBX

Nhiều cΓ΄ng việc thiαΊΏt lαΊ­p hΖ‘n nhΖ°ng tα»‘t hΖ‘n cho gian lαΊ­n liΓͺn quan Δ‘αΊΏn ngΓ’n hΓ ng. KhΓ³ phΓ‘t hiện hΖ‘n vΓ¬ bαΊ‘n kiểm soΓ‘t toΓ n bα»™ hệ thα»‘ng.
View attachment 6354
YΓͺu cαΊ§u:
  • VPS cΓ³ thαΊ» ( OVH hoαΊ·c DigitalOcean hoαΊ‘t Δ‘α»™ng tα»‘t)
  • ISO cα»§a FreePBX
  • Sα»‘ DID tα»« bαΊ₯t kα»³ nhΓ  cung cαΊ₯p nΓ o (mα»™t sα»‘ nhΓ  cung cαΊ₯p dα»… bα»‹ giαΊ£ mαΊ‘o hΖ‘n, vΓ¬ vαΊ­y hΓ£y tα»± nghiΓͺn cα»©u)
  • MicroSIP
  • ThiαΊΏt lαΊ­p proxy giα»‘ng nhΖ° PhΖ°Ζ‘ng phΓ‘p 1
CΓ‘c bΖ°α»›c thα»±c hiện:
  1. ThαΊ» VPS:
    • Chọn nhΓ  cung cαΊ₯p VPS vΓ  thiαΊΏt lαΊ­p mΓ‘y chα»§ cα»§a bαΊ‘n.
  2. TαΊ£i xuα»‘ng vΓ  cΓ i Δ‘αΊ·t FreePBX:
    • LΓ m theo hΖ°α»›ng dαΊ«n cΓ i Δ‘αΊ·t FreePBX trΓͺn VPS cα»§a bαΊ‘n.
  3. CαΊ₯u hΓ¬nh cΖ‘ bαΊ£n trong BαΊ£ng quαΊ£n trα»‹:
    • ThΓͺm tiện Γ­ch mở rα»™ng:
      • VΓ o Ứng dα»₯ng > Tiện Γ­ch mở rα»™ng vΓ  tαΊ‘o cΓ‘c tiện Γ­ch mở rα»™ng cαΊ§n thiαΊΏt.
    • ThiαΊΏt lαΊ­p tuyαΊΏn Δ‘i:
      • Điều hΖ°α»›ng Δ‘αΊΏn KαΊΏt nα»‘i > TuyαΊΏn Δ‘i vΓ  cαΊ₯u hΓ¬nh tuyαΊΏn Δ‘i cα»§a bαΊ‘n.
      • Trong cΓ i Δ‘αΊ·t tuyαΊΏn Δ‘i, hΓ£y tΓ¬m TΓΉy chọn CID để Δ‘αΊ·t ID người gọi mαΊ·c Δ‘α»‹nh mΓ  bαΊ‘n muα»‘n sα»­ dα»₯ng cho cΓ‘c cuα»™c gọi Δ‘i.
    • CαΊ₯u hΓ¬nh DID cα»§a bαΊ‘n:
      • VΓ o KαΊΏt nα»‘i > TuyαΊΏn Δ‘αΊΏn vΓ  thiαΊΏt lαΊ­p bαΊ₯t kα»³ sα»‘ gọi Δ‘αΊΏn trα»±c tiαΊΏp (DID) nΓ o bαΊ‘n cΓ³.
  4. Thiết lập giả mẑo ID người gọi:
    • Trong Outbound Routes , hΓ£y chỉ Δ‘α»‹nh ID người gọi mΓ  bαΊ‘n muα»‘n sα»­ dα»₯ng trong trường Caller ID (Δ‘αΊ£m bαΊ£o rαΊ±ng bαΊ‘n cΓ³ quyền sα»­ dα»₯ng sα»‘ nΓ y).
    • Đảm bαΊ£o cΓ i Δ‘αΊ·t đường truyền cα»§a bαΊ‘n cho phΓ©p thay Δ‘α»•i ID người gọi.
  5. Trỏ MicroSIP tα»›i IP VPS cα»§a bαΊ‘n:
    • TαΊ£i xuα»‘ng vΓ  cΓ i Δ‘αΊ·t MicroSIP trΓͺn mΓ‘y cα»₯c bα»™ cα»§a bαΊ‘n.
    • Mở MicroSIP vΓ  vΓ o TΓ i khoαΊ£n > ThΓͺm để tαΊ‘o tΓ i khoαΊ£n SIP mα»›i.
    • NhαΊ­p thΓ΄ng tin sau:
      • TΓͺn hiển thα»‹: TΓͺn cα»§a tΓ i khoαΊ£n.
      • MΓ‘y chα»§ SIP: Địa chỉ IP hoαΊ·c tΓͺn miền VPS cα»§a bαΊ‘n.
      • TΓͺn người dΓΉng SIP: Sα»‘ mΓ‘y nhΓ‘nh bαΊ‘n Δ‘Γ£ tαΊ‘o.
      • MαΊ­t khαΊ©u SIP: MαΊ­t khαΊ©u được liΓͺn kαΊΏt vα»›i phαΊ§n mở rα»™ng Δ‘Γ³.
      • MΓ‘y chα»§ STUN (tΓΉy chọn): Sα»­ dα»₯ng mΓ‘y chα»§ STUN nαΊΏu cαΊ§n cho NAT.
  6. LΖ°u cαΊ₯u hΓ¬nh trong MicroSIP:
    • NhαΊ₯p vΓ o OK để lΖ°u cΓ i Δ‘αΊ·t tΓ i khoαΊ£n.
  7. Kiểm tra kαΊΏt nα»‘i:
    • Thα»±c hiện cuα»™c gọi thα»­ để Δ‘αΊ£m bαΊ£o rαΊ±ng ID người gọi giαΊ£ mαΊ‘o được hiển thα»‹ chΓ­nh xΓ‘c vΓ  cuα»™c gọi được thα»±c hiện thΓ nh cΓ΄ng.
CαΊ£ hai phΖ°Ζ‘ng phΓ‘p đều hiệu quαΊ£ nhΖ°ng hΓ£y nhα»› nhα»―ng quy tαΊ―c cα»‘t lΓ΅i sau:

* VΔƒn bαΊ£n αΊ©n: khΓ΄ng thể trΓ­ch dαΊ«n. *


Việc chαΊ‘y mΓ‘y chα»§ PBX cα»§a riΓͺng bαΊ‘n sαΊ½ mang lαΊ‘i cho bαΊ‘n sα»± nhαΊ₯t quΓ‘n hΖ‘n, vΓ¬ cΓ‘c nhΓ  cung cαΊ₯p SIP nΓ y khΓ΄ng chαΊ―c chαΊ―n vΓ  cΓ³ xu hΖ°α»›ng vΓ΄ hiệu hΓ³a cΓ‘c tΓ i khoαΊ£n mΓ  họ nghi ngờ cΓ³ hoαΊ‘t Δ‘α»™ng Δ‘α»™c hαΊ‘i theo thời gian. Tuy nhiΓͺn, nαΊΏu bαΊ‘n mα»›i bαΊ―t Δ‘αΊ§u, hΓ£y sα»­ dα»₯ng PhΖ°Ζ‘ng phΓ‘p 1. NΓ³ Δ‘Ζ‘n giαΊ£n hΖ‘n vΓ  Δ‘α»§ tα»‘t cho hαΊ§u hαΊΏt mọi thα»©. Chỉ bαΊ­n tΓ’m Δ‘αΊΏn FreePBX nαΊΏu bαΊ‘n Δ‘ang thα»±c hiện gian lαΊ­n ngΓ’n hΓ ng nghiΓͺm trọng hoαΊ·c cαΊ§n kiểm soΓ‘t hoΓ n toΓ n cΖ‘ sở hαΊ‘ tαΊ§ng cα»§a mΓ¬nh.

PhαΊ§n kαΊΏt luαΊ­n

Việc giαΊ£ mαΊ‘o cuα»™c gọi khΓ΄ng phαΊ£i lΓ  trΓ² αΊ£o thuαΊ­t - Δ‘Γ³ lΓ  mα»™t kα»Ή nΔƒng kα»Ή thuαΊ­t Δ‘Γ²i hỏi kiαΊΏn thα»©c chuyΓͺn mΓ΄n vΓ  cΖ‘ sở hαΊ‘ tαΊ§ng nghiΓͺm tΓΊc. NαΊΏu bαΊ‘n vαΊ«n Δ‘ang nghΔ© Δ‘αΊΏn việc sα»­ dα»₯ng mα»™t sα»‘ α»©ng dα»₯ng nhαΊ£m nhΓ­ hoαΊ·c dα»‹ch vα»₯ Telegram, bαΊ‘n Δ‘Γ£ bỏ lα»‘ hoΓ n toΓ n mα»₯c Δ‘Γ­ch.

Hiểu được cΓ΄ng nghệ lΓ  rαΊ₯t quan trọng vΓ  cΓ‘c thiαΊΏt lαΊ­p DIY giΓΊp bαΊ‘n kiểm soΓ‘t vΓ  nhαΊ₯t quΓ‘n hΖ‘n. HΖ°α»›ng dαΊ«n nΓ y khΓ΄ng dΓ nh cho nhα»―ng người mα»›i vΓ o nghề hoαΊ·c nhα»―ng Δ‘α»©a trαΊ» thΓ­ch viαΊΏt kα»‹ch bαΊ£n. HΖ°α»›ng dαΊ«n nΓ y dΓ nh cho nhα»―ng người sαΊ΅n sΓ ng lΓ m việc vΓ  giỏi hΖ‘n trong việc gian lαΊ­n.

NαΊ―m vα»―ng nhα»―ng kα»Ή thuαΊ­t nΓ y, vΓ  bαΊ‘n sαΊ½ mở ra nhα»―ng cΓ‘nh cα»­a mΓ  hαΊ§u hαΊΏt "người Δ‘Γ‘nh bΓ i" chỉ cΓ³ thể mΖ‘ Ζ°α»›c. Chỉ cαΊ§n Δ‘α»«ng khΓ³c lΓ³c khi bαΊ‘n lΓ m hỏng vΓ  bα»‹ bαΊ―t. CΓ‘i nΓ y khΓ΄ng phαΊ£i lΓ  trΓ² chΖ‘i. HΓ£y luΓ΄n cαΊ£nh giΓ‘c, thαΊ­n trọng vΓ  luΓ΄n học hỏi. Hệ thα»‘ng Δ‘iện thoαΊ‘i Δ‘ang hα»—n loαΊ‘n, vΓ  Δ‘Γ³ lΓ  lợi thαΊΏ cα»§a bαΊ‘n - nαΊΏu bαΊ‘n Δ‘α»§ thΓ΄ng minh để sα»­ dα»₯ng nΓ³. d0ctrine out.
 

thedump

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t
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πŸ“ž All About Call Spoofing πŸ“ž

Real call spoofing requires serious infrastructure and technical knowledge - not that TextNow app bullshit or Telegram ripper garbage that floods your DMs. Those dipshits selling "private number" services wouldnt know proper spoofing if it slapped them in their face.

View attachment 6349

This guide breaks down call spoofing from basic concepts to advanced exploitation. No flashy promises, no magic apps - just the hard technical knowledge that lets you bypass modern call detection systems.

Big Money Still Flows Through Voice

Phone systems still drive billions in sales across major retailers. Companies like Victorias Secret, Nordstrom and countless others actively push customers to order by phone. Why? Because old people are retarded when it comes to technology. As to why your granma needs Victoria Secret lingerie, thats a mystery for another day.

But even without direct phone carding, voice spoofing unlocks a trove of opportunities:
  • Balance checking at scale
  • Mass OTP interception
  • Bank account takeover
  • Order rerouting/address changes
  • Refund fraud at scale
  • Corporate account compromise
  • Customer service social engineering
The financial sector especially runs on voice. Those phone reps get trained to "help customers" work around security measures, creating perfect social engineering opportunities. One clean spoofed call can accomplish more than days of failed web-based attempts.

The Technical Stack

View attachment 6350


Modern phone systems are a beautiful clusterfuck of old and new tech mashed together. Understanding this mess matters because most fraud prevention still relies on legacy systems that barely changed since the 90s.

Three levels of spoofing exist in this ecosystem:
  1. Basic ID Spoofing: What those garbage apps do. Just changes the displayed number without touching underlying call data. Fine for pranking your friends, useless for anything serious.
  2. Carrier-Level Spoofing: Routes calls through legitimate telcos, making them appear as normal PSTN traffic. Expensive as fuck but nearly impossible to detect. Required for serious bank operations.
  3. Full SIP Spoofing: The sweet spot for most carders. Controls the entire call chain and mimics legitimate traffic patterns. Needs proper infrastructure but can bypass most detection systems.
The Building Blocks

Three main types of phone systems matter for us:

PSTN (Public Switched Telephone Network)
The granddaddy of them all. This traditional phone network still connects landlines worldwide. Banks, credit card companies and big corporations use PSTN because its reliable as fuck. When you call Chase or Amex, youre probably hitting their PSTN lines.

For carders, PSTN matters because:
  • Most financial institutions trust PSTN calls more than VoIP
  • Caller ID spoofing detection barely exists
  • Crystal clear audio quality (crucial for social engineering)
  • Less recording/monitoring compared to VoIP
VoIP (Voice over IP)
Voice transmitted over internet protocol - basically turning voice into data packets. Think Skype or your sketchy calling app. Most modern business phone systems use VoIP because its cheap and flexible.

VoIP advantages for fraud:
  • Easy to mask origin location
  • Dirt cheap international calls
  • Simple operation scaling
  • Multiple numbers on one system
  • Advanced call routing options
SIP (Session Initiation Protocol)
The protocol that makes VoIP work. SIP handles all the setup, teardown and control of VoIP calls. Think of it like HTTP but for voice communication. Most importantly, SIP lets us build our own private phone infrastructure.

Why SIP rocks for carders:
  • Complete control over caller ID presentation
  • Route calls through multiple servers
  • Mix with VPNs for extra anonymity
  • Build private phone networks
  • No central provider to snitch

Typical call flow looks like this:
View attachment 6351
Code:
Your Device -> SIP Server -> VoIP Provider -> PSTN Gateway -> Target Phone

Each hop in this chain affects how receiving systems see your calls. Banks dont just check the phone number - they analyze the entire call signature as it passes through this infrastructure.

This is why running your own SIP setup matters. Those "private number" services might work for pizza orders but anything touching financial systems needs proper infrastructure.

The Reality of Caller ID

View attachment 6352

Banks and financial institutions validate incoming calls through multiple layers of checks that cheap spoofers cant bypass. When a call hits their system, they check:
  • The presented caller ID number
  • Where the call originated from
  • Which carriers handled the routing
  • Call signaling patterns and metadata
  • Historical usage patterns
This is why your TextNow calls get blocked instantly. The numbers might look legit but the underlying signature screams VoIP fraud.

With SIP you control the entire call chain. Your calls can mimic legitimate PSTN traffic passing through trusted carriers. The secret lies in understanding how different financial institutions validate incoming numbers.

Some banks only check basic caller ID. These are your easy targets - basic number spoofing works fine. Others dig deeper, looking at call routing and carrier signatures. These need proper SIP infrastructure to appear legitimate.

The most sophisticated systems analyze call patterns over time. They track how often numbers hit their system, which carriers route them, and typical usage patterns.

Building Your Own Setup

Here are two methods that actually work without needing a PhD in telecommunications:

Method 1: Carded SIP Trunk

Easiest method that still gets results. Card Twilio, Telnyx or voip.ms. These work fine for most sites.

Requirements:
  • Clean card with solid antidetect setup
  • Business email (not free email)
  • MicroSIP (free softphone)
  • Residential proxy
Steps:
View attachment 6353

  1. Card a Telnyx Account (or other SIP providers):
    • Sign up for an account with Telnyx or your preferred SIP provider.
  2. Buy a DID Number:
    • Purchase a DID number that matches your target area for local calls.
  3. Grab Credentials from the Dashboard:
    • Log in to your Telnyx dashboard and navigate to the section where you can find your SIP credentials (username, password, and SIP server details).
  4. Change the Caller ID:
    • In your Telnyx account, look for the option to set a Caller ID Override. This allows you to specify the caller ID you want to display when making outbound calls.
  5. Configure MicroSIP:
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following details:
      • Domain:
        Code:
        sip.telnyx.com
        (or the SIP server address provided by your provider).
      • Username: Your SIP username from the Telnyx dashboard.
      • Password: Your SIP password from the Telnyx dashboard.
      • Transport: Select TCP.
      • Set Local Number as Your DID: Enter your purchased DID number in the appropriate field.
  6. Save the Configuration:
    • Click OK to save the account settings in MicroSIP.
  7. Test the Setup:
    • Make an outbound call using MicroSIP to ensure that the caller ID is displayed as specified and that the call connects successfully.

Method 2: DIY FreePBX

More setup work but better for bank related fraud. Harder to detect since you control the whole system.
View attachment 6354
Requirements:
  • Carded VPS (OVH or DigitalOcean work fine)
  • FreePBX ISO
  • DID number from any provider (some are more accomodating to spoofing, so do your own research)
  • MicroSIP
  • Same proxy setup as Method 1
Steps:
  1. Card a VPS:
    • Choose a VPS provider and set up your server.
  2. Download and Install FreePBX:
    • Follow the installation instructions for FreePBX on your VPS.
  3. Basic Configuration in Admin Panel:
    • Add Extensions:
      • Go to Applications > Extensions and create the necessary extensions.
    • Set Outbound Routes:
      • Navigate to Connectivity > Outbound Routes and configure your outbound routes.
      • In the outbound route settings, find the CID Options to set the default caller ID you want to use for outbound calls.
    • Configure Your DIDs:
      • Go to Connectivity > Inbound Routes and set up any Direct Inward Dialing (DID) numbers you have.
  4. Set Caller ID Spoofing:
    • In the Outbound Routes, specify the caller ID you want to use in the Caller ID field (make sure you have the right to use this number).
    • Ensure your trunk settings allow for caller ID manipulation.
  5. Point MicroSIP to Your VPS IP:
    • Download and install MicroSIP on your local machine.
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following:
      • Display Name: Name for the account.
      • SIP Server: Your VPSs IP address or domain name.
      • SIP Username: The extension number you created.
      • SIP Password: The password associated with that extension.
      • STUN Server (optional): Use a STUN server if needed for NAT.
  6. Save the Configuration in MicroSIP:
    • Click OK to save the account settings.
  7. Test the Connection:
    • Make a test call to ensure that the spoofed caller ID is displayed correctly and that the call goes through successfully.
Both methods work but remember these core rules:

* Hidden text: cannot be quoted. *


Running your own PBX server will give you more consistency, since these SIP providers are iffy and tend to disable accounts they suspect of malicious activities from time to time. However, if youre just starting, stick with Method 1. Its simpler and good enough for most shit. Only bother with FreePBX if youre doing heavy bank fraud or need total control over your infrastructure.

Conclusion

Call spoofing isn't some magic trick - it's a technical skill that requires serious know-how and infrastructure. If you're still thinking about using some bullshit app or Telegram service, you're missing the point entirely.

Understanding the tech stack is crucial, and DIY setups give you more control and consistency. This guide isn't for wannabes or script kiddies. It's for those ready to put in the work and be better at fraud.

Master these techniques, and you'll open doors that most "carders" can only dream about. Just don't come crying when you fuck up and get caught. This shit's not a game. Stay sharp, stay cautious, and always be learning. The phone system's a mess, and that's your advantage - if you're smart enough to use it. d0ctrine out.
hx
 

9a11wz4

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asc-logo.png


πŸ“ž All About Call Spoofing πŸ“ž

Real call spoofing requires serious infrastructure and technical knowledge - not that TextNow app bullshit or Telegram ripper garbage that floods your DMs. Those dipshits selling "private number" services wouldnt know proper spoofing if it slapped them in their face.

View attachment 6349

This guide breaks down call spoofing from basic concepts to advanced exploitation. No flashy promises, no magic apps - just the hard technical knowledge that lets you bypass modern call detection systems.

Big Money Still Flows Through Voice

Phone systems still drive billions in sales across major retailers. Companies like Victorias Secret, Nordstrom and countless others actively push customers to order by phone. Why? Because old people are retarded when it comes to technology. As to why your granma needs Victoria Secret lingerie, thats a mystery for another day.

But even without direct phone carding, voice spoofing unlocks a trove of opportunities:
  • Balance checking at scale
  • Mass OTP interception
  • Bank account takeover
  • Order rerouting/address changes
  • Refund fraud at scale
  • Corporate account compromise
  • Customer service social engineering
The financial sector especially runs on voice. Those phone reps get trained to "help customers" work around security measures, creating perfect social engineering opportunities. One clean spoofed call can accomplish more than days of failed web-based attempts.

The Technical Stack

View attachment 6350


Modern phone systems are a beautiful clusterfuck of old and new tech mashed together. Understanding this mess matters because most fraud prevention still relies on legacy systems that barely changed since the 90s.

Three levels of spoofing exist in this ecosystem:
  1. Basic ID Spoofing: What those garbage apps do. Just changes the displayed number without touching underlying call data. Fine for pranking your friends, useless for anything serious.
  2. Carrier-Level Spoofing: Routes calls through legitimate telcos, making them appear as normal PSTN traffic. Expensive as fuck but nearly impossible to detect. Required for serious bank operations.
  3. Full SIP Spoofing: The sweet spot for most carders. Controls the entire call chain and mimics legitimate traffic patterns. Needs proper infrastructure but can bypass most detection systems.
The Building Blocks

Three main types of phone systems matter for us:

PSTN (Public Switched Telephone Network)
The granddaddy of them all. This traditional phone network still connects landlines worldwide. Banks, credit card companies and big corporations use PSTN because its reliable as fuck. When you call Chase or Amex, youre probably hitting their PSTN lines.

For carders, PSTN matters because:
  • Most financial institutions trust PSTN calls more than VoIP
  • Caller ID spoofing detection barely exists
  • Crystal clear audio quality (crucial for social engineering)
  • Less recording/monitoring compared to VoIP
VoIP (Voice over IP)
Voice transmitted over internet protocol - basically turning voice into data packets. Think Skype or your sketchy calling app. Most modern business phone systems use VoIP because its cheap and flexible.

VoIP advantages for fraud:
  • Easy to mask origin location
  • Dirt cheap international calls
  • Simple operation scaling
  • Multiple numbers on one system
  • Advanced call routing options
SIP (Session Initiation Protocol)
The protocol that makes VoIP work. SIP handles all the setup, teardown and control of VoIP calls. Think of it like HTTP but for voice communication. Most importantly, SIP lets us build our own private phone infrastructure.

Why SIP rocks for carders:
  • Complete control over caller ID presentation
  • Route calls through multiple servers
  • Mix with VPNs for extra anonymity
  • Build private phone networks
  • No central provider to snitch

Typical call flow looks like this:
View attachment 6351
Code:
Your Device -> SIP Server -> VoIP Provider -> PSTN Gateway -> Target Phone

Each hop in this chain affects how receiving systems see your calls. Banks dont just check the phone number - they analyze the entire call signature as it passes through this infrastructure.

This is why running your own SIP setup matters. Those "private number" services might work for pizza orders but anything touching financial systems needs proper infrastructure.

The Reality of Caller ID

View attachment 6352

Banks and financial institutions validate incoming calls through multiple layers of checks that cheap spoofers cant bypass. When a call hits their system, they check:
  • The presented caller ID number
  • Where the call originated from
  • Which carriers handled the routing
  • Call signaling patterns and metadata
  • Historical usage patterns
This is why your TextNow calls get blocked instantly. The numbers might look legit but the underlying signature screams VoIP fraud.

With SIP you control the entire call chain. Your calls can mimic legitimate PSTN traffic passing through trusted carriers. The secret lies in understanding how different financial institutions validate incoming numbers.

Some banks only check basic caller ID. These are your easy targets - basic number spoofing works fine. Others dig deeper, looking at call routing and carrier signatures. These need proper SIP infrastructure to appear legitimate.

The most sophisticated systems analyze call patterns over time. They track how often numbers hit their system, which carriers route them, and typical usage patterns.

Building Your Own Setup

Here are two methods that actually work without needing a PhD in telecommunications:

Method 1: Carded SIP Trunk

Easiest method that still gets results. Card Twilio, Telnyx or voip.ms. These work fine for most sites.

Requirements:
  • Clean card with solid antidetect setup
  • Business email (not free email)
  • MicroSIP (free softphone)
  • Residential proxy
Steps:
View attachment 6353

  1. Card a Telnyx Account (or other SIP providers):
    • Sign up for an account with Telnyx or your preferred SIP provider.
  2. Buy a DID Number:
    • Purchase a DID number that matches your target area for local calls.
  3. Grab Credentials from the Dashboard:
    • Log in to your Telnyx dashboard and navigate to the section where you can find your SIP credentials (username, password, and SIP server details).
  4. Change the Caller ID:
    • In your Telnyx account, look for the option to set a Caller ID Override. This allows you to specify the caller ID you want to display when making outbound calls.
  5. Configure MicroSIP:
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following details:
      • Domain:
        Code:
        sip.telnyx.com
        (or the SIP server address provided by your provider).
      • Username: Your SIP username from the Telnyx dashboard.
      • Password: Your SIP password from the Telnyx dashboard.
      • Transport: Select TCP.
      • Set Local Number as Your DID: Enter your purchased DID number in the appropriate field.
  6. Save the Configuration:
    • Click OK to save the account settings in MicroSIP.
  7. Test the Setup:
    • Make an outbound call using MicroSIP to ensure that the caller ID is displayed as specified and that the call connects successfully.

Method 2: DIY FreePBX

More setup work but better for bank related fraud. Harder to detect since you control the whole system.
View attachment 6354
Requirements:
  • Carded VPS (OVH or DigitalOcean work fine)
  • FreePBX ISO
  • DID number from any provider (some are more accomodating to spoofing, so do your own research)
  • MicroSIP
  • Same proxy setup as Method 1
Steps:
  1. Card a VPS:
    • Choose a VPS provider and set up your server.
  2. Download and Install FreePBX:
    • Follow the installation instructions for FreePBX on your VPS.
  3. Basic Configuration in Admin Panel:
    • Add Extensions:
      • Go to Applications > Extensions and create the necessary extensions.
    • Set Outbound Routes:
      • Navigate to Connectivity > Outbound Routes and configure your outbound routes.
      • In the outbound route settings, find the CID Options to set the default caller ID you want to use for outbound calls.
    • Configure Your DIDs:
      • Go to Connectivity > Inbound Routes and set up any Direct Inward Dialing (DID) numbers you have.
  4. Set Caller ID Spoofing:
    • In the Outbound Routes, specify the caller ID you want to use in the Caller ID field (make sure you have the right to use this number).
    • Ensure your trunk settings allow for caller ID manipulation.
  5. Point MicroSIP to Your VPS IP:
    • Download and install MicroSIP on your local machine.
    • Open MicroSIP and go to Account > Add to create a new SIP account.
    • Enter the following:
      • Display Name: Name for the account.
      • SIP Server: Your VPSs IP address or domain name.
      • SIP Username: The extension number you created.
      • SIP Password: The password associated with that extension.
      • STUN Server (optional): Use a STUN server if needed for NAT.
  6. Save the Configuration in MicroSIP:
    • Click OK to save the account settings.
  7. Test the Connection:
    • Make a test call to ensure that the spoofed caller ID is displayed correctly and that the call goes through successfully.
Both methods work but remember these core rules:

* Hidden text: cannot be quoted. *


Running your own PBX server will give you more consistency, since these SIP providers are iffy and tend to disable accounts they suspect of malicious activities from time to time. However, if youre just starting, stick with Method 1. Its simpler and good enough for most shit. Only bother with FreePBX if youre doing heavy bank fraud or need total control over your infrastructure.

Conclusion

Call spoofing isn't some magic trick - it's a technical skill that requires serious know-how and infrastructure. If you're still thinking about using some bullshit app or Telegram service, you're missing the point entirely.

Understanding the tech stack is crucial, and DIY setups give you more control and consistency. This guide isn't for wannabes or script kiddies. It's for those ready to put in the work and be better at fraud.

Master these techniques, and you'll open doors that most "carders" can only dream about. Just don't come crying when you fuck up and get caught. This shit's not a game. Stay sharp, stay cautious, and always be learning. The phone system's a mess, and that's your advantage - if you're smart enough to use it. d0ctrine out.
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