MESSAGE sip:bob@example.invalid SIP/2.0 From: sip:alice@example.invalid;tag=45dfdf49 To: sip:bob@example.invalid Call-ID: 1172299593a CSeq: 1 MESSAGE Content-Type: application/sdp Max-Forwards: 2 X-Info: test lua sr.sdpops.sdp_remove_line_by_prefix v=0 o=FreeSWITCH 1447318678 1447318679 IN IP4 10.0.0.145 s=FreeSWITCH c=IN IP4 10.0.0.145 t=0 0 m=audio 28504 RTP/AVP 96 101 a=rtpmap:96 opus/48000/2 a=fmtp:96 useinbandfec=1; maxaveragebitrate=14400; maxplaybackrate=8000 a=rtpmap:101 telephone-event/48000 a=fmtp:101 0-16 a=ptime:20 a=sendrecv a=rtcp:28505 IN IP4 10.0.0.145 a=rtcp-fb:101 nack m=video 21992 RTP/SAVPF 100 a=rtpmap:100 VP8/90000 a=rtcp:21992 IN IP4 10.0.0.150 a=rtcp-fb:100 ccm fir a=rtcp-fb:100 nack a=rtcp-fb:100 nack pli