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overview
 Session Initiation Protocol @ Wikipedia
The Session Initiation Protocol (SIP) is a signalling protocol, widely used for setting up and tearing down multimedia communication sessions such as voice and video calls over the Internet.
Other feasible application examples include video conferencing, streaming multimedia distribution, instant messaging, presence information and online games.
The protocol can be used for creating, modifying and terminating two-party (unicast) or...
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http://en.wikipedia.org/wiki/Session_Initiation_Protocol
10/13/2008
Tags: sip
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