;tag=[call_number] To: sut [peer_tag_param] Call-ID: [call_id] CSeq: 3 INVITE Contact: sip:sipp@[local_ip]:[local_port] Max-Forwards: 70 Subject: Performance Test Content-Type: application/sdp Content-Length: [len] v=0 o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip] s=- c=IN IP[media_ip_type] [media_ip] t=0 0 m=audio 4000 RTP/AVP 0 m=video 5000 RTP/AVP 100 a=rtpmap:100 H261/90000 ]]> ;tag=[call_number] To: sut [peer_tag_param] Call-ID: [call_id] CSeq: 3 ACK Contact: sip:sipp@[local_ip]:[local_port] Max-Forwards: 70 Subject: Performance Test Content-Length: 0 ]]>