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en.wikipedia.org/wiki/Session_Initiation_Protocol

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Posted by crouse

list of RFC support SIP Protocol are IETF and ITU-T

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Posted by waqqas1

2976,3261,3262,3264,3265,3311,3248, 3515,2543, 2976,3261

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Posted by crouse

RFC 2543, 2976,3261,3262,3264,3265,3311,3248, 3515

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Posted by danielmathew

list of RFC support SIP Protocol are IETF and ITU-T

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Posted by HamidAliKhan

Please follow the link for detail information

http://www.cs.columbia.edu/sip/drafts.html

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Posted by jahangir1983

For complete list of SIP-related RFCs:

http://www.cs.columbia.edu/sip/drafts.html

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Posted by sagitraz