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Call Spoofing - Printable Version

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Call Spoofing - Arraso26 - Dec 16, 2024

Hi, I'm new to cybersecurity and I'm researching Call Spoofing and how Caller ID manipulation works in VoIP systems for educational and personal learning purposes. I am interested in understanding how these types of attacks are carried out, and would appreciate any guidance on tools or configurations needed.

So far I have a basic idea of how a SIP server works and the concepts of SIP trunk to make external calls, but I am faced with the following doubts:

Caller ID Spoofing:

Many SIP providers seem to block changing the Caller ID to unverified numbers.
Are there any tools or configurations that allow sending a modified Caller ID without restrictions?
Recommended tools:

I have heard of some VoIP solutions and SIP clients, but I am not sure which is the best tool to practice this type of attack.
What tools or platforms do you recommend for Caller ID Spoofing testing?
SIP clients and advanced settings:

If I use a SIP client like Zoiper or Linphone, is it possible to manually modify the SIP settings or Contact URI to spoof the Caller ID?
Or would I need more advanced settings with another tool?

Any information is helpful and if I am wrong about something you can also correct me.
Thank you very much!!!


RE: Call Spoofing - DramaKing - Dec 16, 2024

Reminds me of this thread: https://hackforums.net/showthread.php?tid=6274614


RE: Call Spoofing - Arraso26 - Dec 16, 2024


Very interesting. I'm going to read it, and comment on the results!


(Dec 16, 2024 05:44 AM)DramaKing Wrote:  Reminds me of this thread:

voipsv does not work do you know any alternative?


RE: Call Spoofing - ALEXTHRYLOS - Apr 11, 2026

Spoofcallerid.com


RE: Call Spoofing - 6 - Apr 11, 2026

Check out sip.osetec.net/calltools