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Clever Caller ID Tricks With VoIP

Posted by timothy on from the making-the-most-of-the-line dept.

An anonymous reader writes "securityfocus.com has an interesting article collecting some clever exploits for VoIP. According to the article, using 'the open-source Linux-based PBX software Asterisk, used in combination with a permissive VoIP provider' can be used to fool caller id, and even get caller numbers that are supposed to be private."

1 of 259 comments (clear)

  1. old news for me :) by Anonymous Coward · · Score: 5, Interesting

    Back in 2001 or so I found this out when talking to my local ISP/VoIP provider IPOnly. Then me and some of my friends thought about setting up some kind of SMS-style service that was free, since it apparently works sending ascii as caller ID :)