Hi Ankur The RFC does mention about ptime but does not mention such scenarios though. Thank you for precise explanation. Appreciate it!
Thanks Sundar > On Nov 26, 2013, at 7:32 PM, ankur bansal <abh.an...@gmail.com> wrote: > > Hi Sundar > > As far as i remember this ptime parameter is media level attribute and it > should be same for all payloads mentioned for that particular media line .You > can check more in SDP RFC 4566. > > Thanks & regards > Ankur Bansal > > >> On Tue, Nov 26, 2013 at 12:01 PM, Sundar Ramakrishnan <mok...@gmail.com> >> wrote: >> Hello, >> >> I have a question on how to handle multiple codec with multiple ptime in >> the invite. My calls fail if I use the format mentioned here. Is this >> format in the invite fine? >> >> *INVITE sip:u...@abc.com <sip%3au...@abc.com> SIP/2.0* >> >> *ax-Forwards: 70* >> >> *Via: SIP/2.0/UDP >> 192.168.64.16:5069;branch=z3hG4bK0-c0a94010-0009-1321269311* >> >> *Supported: * >> >> *Call-ID: 9-131126151850-1486236468@c0a84010* >> >> *CSeq: 719958089 INVITE* >> >> *From: <**sip:u...@abc.com <sip%3au...@abc.com>* >> *>;tag=9-c0a94010-131126251850-116323010* >> >> *To: <sip:u...@abc.com <sip%3au...@abc.com>>* >> >> *Contact: <sip:UAC9@192.168.64.16:5069;transport=udp>* >> >> *Content-Type: application/sdp* >> >> *Accept: application/sdp, application/dtmf-relay* >> >> *Content-Length: 473* >> >> >> >> *v=0* >> >> *o=- 219866560 219866561 IN IP4 192.168.64.16* >> >> *s=-* >> >> *c=IN IP4 192.168.64.16* >> >> *t=0 0* >> >> *m=audio 20096 RTP/AVP 18 96 8 3 9 97 98 0 4* >> >> *a=rtpmap:18 G729/8000* >> >> *a=ptime:20* >> >> *a=rtpmap:96 G726-16/8000* >> >> *a=ptime:20* >> >> *a=rtpmap:8 PCMA/8000* >> >> *a=ptime:20* >> >> *a=rtpmap:3 GSM/8000* >> >> *a=ptime:20* >> >> *a=rtpmap:9 G722/8000* >> >> *a=fmtp:9 bitrate=48000* >> >> *a=ptime:20* >> >> *a=rtpmap:97 AMR-WB/16000* >> >> *a=fmtp:97 octet-align=1; mode-set=0* >> >> *a=ptime:20* >> >> *a=rtpmap:98 EVRCB/8000* >> >> *a=ptime:20* >> >> *a=rtpmap:0 PCMU/8000* >> >> *a=ptime:20* >> >> *a=rtpmap:4 G723/8000* >> >> *a=ptime:30* >> >> >> >> >> *Although, upon reading this RFC >> <http://tools.ietf.org/id/draft-garcia-mmusic-multiple-ptimes-problem-03.txt> >> which is expired says its not allowed. Can everyone throw more light on >> this and help please?* >> >> >> *Thanks* >> >> >> >> *Sundar * >> _______________________________________________ >> 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