VoIPhreaking

Introduction to SIP Hacking

Hendrik Scholz

Playlists: '22c3' videos starting here / audio / related events

Within the last year VoIP devices and applications flooded the market. SIP (Session Initiation Protocol) became the industry standard although it's still under constant development. VoIP networks converge with the
PSTN and thus offer ways and means for new (and old) attacks. The talk gives a brief introduction on how various components in the VoIP universe interact. The main part deals with implementation problems within SIP in both end user as well as ISP site devices and applications.

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