No. Time Source Destination Protocol Info 1073 19.372310 192.168.1.15 192.168.1.11 SIP Status: 200 Cancelling Frame 1073 (326 bytes on wire, 326 bytes captured) Linux cooked capture Internet Protocol, Src: 192.168.1.15 (192.168.1.15), Dst: 192.168.1.11 (192.168.1.11) User Datagram Protocol, Src Port: sip (5060), Dst Port: sip (5060) Session Initiation Protocol Status-Line: SIP/2.0 200 Cancelling Message Header Via: SIP/2.0/UDP 192.168.1.11;branch=z9hG4bK6008414cefae770f From: ;tag=82109cffc4d06068 To: Call-ID: d0f0a4e0cfa0590b@192.168.1.11 CSeq: 50933 CANCEL Server: PrimiSIP Content-Length: 0