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draft-boer-sip-src-00.txt

draft-boer-sip-src-00.txt. Michel de Boer michelboer@lucent.com Paul Sijben sijben@lucent.com. Issue. Firewalls will not let just any old stream pass source IP address source port destination IP address destination port transport protocol (TCP/UDP) How to transport this in SIP?.

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draft-boer-sip-src-00.txt

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  1. draft-boer-sip-src-00.txt Michel de Boer michelboer@lucent.com Paul Sijben sijben@lucent.com

  2. Issue • Firewalls will not let just any old stream pass • source IP address • source port • destination IP address • destination port • transport protocol (TCP/UDP) • How to transport this in SIP?

  3. Common use of SDP m=audio 1110 RTP/AVP 0 c=IN IP4 1.1.1.1 ports and addresses for RTCP streams are implicit

  4. SDP already allows for source address specification! m=audio 1110 RTP/AVP 0 c=IN IP4 1.1.1.1 a=recvonly m=audio 2220 RTP/AVP 0 c=IN IP4 2.2.2.2 a=sendonly where does the RTCP come from?????

  5. Proposal for added behavior to SIP Derive the RTCP port from the other m-line m=audio 1110 RTP/AVP 0 1111 c=IN IP4 1.1.1.1 a=recvonly m=audio 2220 RTP/AVP 0 2221 c=IN IP4 2.2.2.2 a=sendonly

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