Add SDP
sip-manipulation name addSdp description add an entire SDP if one does not exist mime-sdp-rule name addSdp msg-type request methods INVITE action add comparison-type case-sensitive match-value new-value “v=0\r\no=mhandley 2890844526 2890842807 IN IP4 “+$LOCAL_IP+”\r\ns=SDP Seminar\r\ni=A Seminar on the session description protocol\r\nu=http: //www.cs.ucl.ac.uk/staff/M.Handley/sdp.03.ps\r\ne=mjh@isi.edu (Mark Handley)\r\nc=IN IP4 “+$LOCAL_IP+”\r\nt=2873397496 2873404696\r\na=recvonly\r\nm=audio 49170 RTP/AVP 0\r\n”