Hi, List, In rfc 2833 ,DTMF event use the same port as audio. the SDP will like this:
v=0 o=jade 2890844526 2890842807 IN IP4 11.11.2.2 s=POI Seminar i=A Seminar on how to make Presentations on the Internet u=http://www.ee.org c=IN IP4 11.11.2.2/127 m=audio 49170 RTP/AVP 0 101 //101 is the payload type for DTMF enent. a=rtpmap:0 PCMU/8000 a=fmtp:101 0-15 // we only support 0-15 event. Can the remote side read that the other side supports RFC 2833? Best Regards, Jade _______________________________________________ Sip-implementors mailing list [EMAIL PROTECTED] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors