> 183 as well as in 200 OK also. As far as i know if we are getting SDP > in 183 session progress then my UAC can ignore the SDP in 200 OK.
I agree 100%. Unless the 200 OK was on a different "fork" (i.e. different To tag) then the SDP of the 200 OK should be ignored. The SDP should not be changed between 18x and 200 anyway. Regards Attila -----Original Message----- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of Kevin P. Fleming Sent: 08 March 2011 21:55 To: sip-implementors@lists.cs.columbia.edu Subject: Re: [Sip-implementors] Different SDP Session Version in 183 & 200 OK On 03/08/2011 03:48 PM, Nitin Kapoor wrote: > Dear All, > > I have one call scenario where my termination is sending the SDP in > 183 as well as in 200 OK also. As far as i know if we are getting SDP > in 183 session progress then my UAC can ignore the SDP in 200 OK. Also > most of the time SDP is same. > > But here i noticed the slight difference of "Session Version". Here > when my termination is sending 188 Session Progress with SDP is > sending the SDP as below. > > I can see that my Termination is incrementing "*Session Version*" > for SDP in 183& 200 OK in same dialog.. > > *183 with SDP* > > S_OWNER : o=TLPMSXP2 22660 *22660* IN IP4 69.90.230.210 S_NAME : s=sip > call S_CONNECT : c=IN IP4 69.90.230.217 TIME : t=0 0 M_NAME : m=audio > 59072 RTP/AVP 18 4 8 98 > > 200 OK with SDP: > > S_OWNER : o=TLPMSXP2 22660 *22661* IN IP4 69.90.230.210 S_NAME : s=sip > call S_CONNECT : c=IN IP4 69.90.230.217 TIME : t=0 0 > > Could anyone please let me know if that is okay to increment the > session version and if any supported document is there? Was the to-tag in the 183 and 200 responses the same or had it changed? -- Kevin P. Fleming Digium, Inc. | Director of Software Technologies Jabber: kflem...@digium.com | SIP: kpflem...@digium.com | Skype: kpfleming 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA Check us out at www.digium.com & www.asterisk.org _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
