No. Time Source Destination Protocol Info 1076 19.378946 192.168.1.15 192.168.1.11 SIP Status: 200 OK Frame 1076 (490 bytes on wire, 490 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 OK Message Header Via: SIP/2.0/UDP 192.168.1.11;branch=z9hG4bK6008414cefae770f From: ;tag=82109cffc4d06068 To: ;tag=b46457f322c1e961 Call-ID: d0f0a4e0cfa0590b@192.168.1.11 CSeq: 50933 CANCEL User-Agent: Grandstream BT110 1.0.8.33 Contact: Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE Supported: replaces Content-Length: 0