I think its proprietory parameter. I also came across some one using ssig parameter for contact and we had to maintain the contact intact along with it.
Somesh -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of ext Sourav Dhar Chaudhuri Sent: Wednesday, April 15, 2009 4:02 PM To: [email protected] Subject: [Sip-implementors] What is rinstance parameter in Contact header ofREGISTER generated by X-lite Softphone Hi. I want to know some details on rinstance parameter present in REGISTER request. This parameter is generating when I am registering using X-lite softphone. Example of the REGISTER message generated by X-lite REGISTER sip:180.144.203.102 SIP/2.0 Via: SIP/2.0/UDP 10.143.66.124:27592;branch=z9hG4bK-d87543-465b1917f41b4278-1--d87543-;rport Max-Forwards: 70 Contact: <sip:[email protected]:27592;rinstance=5328a2ab0e5d62ce> To: "9886931002"<sip:[email protected]> From: "9886931002"<sip:[email protected]>;tag=70612b33 Call-ID: MjE3Mjc0NjQ2MzY1MzM3OTNkNmFkYzBlMTQwYzVjZWM. CSeq: 1 REGISTER Expires: 3600 Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO User-Agent: X-Lite release 1011s stamp 41150 Content-Length: 0 I have not got any information about the rinstance parameter present in Contact header in RFC 3261. So please clarify in detail? What is it? what it's use? It will be really helpful if anybody please explain with example that is with call flow? Thanks Sourav Dhar Chaudhuri Cricket on your mind? Visit the ultimate cricket website. Enter http://beta.cricket.yahoo.com _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
