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tbd:rtp_multiplexing [2009/04/28 16:19]
janakj created
tbd:rtp_multiplexing [2009/04/29 22:35] (current)
janakj
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-====== Multiplexing of SIP and RTP one One Socket ======+====== Multiplexing of SIP and RTP On One Socket ====== 
 +**Contact:** [[jan@iptel.org|Jan Janak]] 
 + 
 +For some specialized setups and testing it would be useful if sip-router 
 +supported multiplexing of several protocols on one socket, in 
 +particular on sockets that are used to receive SIP traffic. 
 + 
 +The primary motivation for such an extension is the possibility to  
 +multiplex SIP and RTP on one port, but it could be useful for other 
 +protocols too. Namely STUN, the ability to multiplex SIP and STUN 
 +on the same socket is crucial for properly working NAT traversal in 
 +SIP user agents. 
 + 
 +We already did some work on STUN support in SER a long time and we were able 
 +to run a STUN server within SER, on port 5060, multiplexed with SIP. 
 + 
 +The goal of this work is to revive this code in the sip-router project. We 
 +would also like to take it a bit further and add the possibility to multiplex 
 +more protocols than just STUN and SIP (namely RTP).  
 + 
 +It would be also nice if either the SIP socket itself or data received on that  
 +socket could be shared with another application running on the same host.
  

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