On 03/26/2014 11:13 AM, Slava Bendersky wrote:
U 2014/03/26 11:08:27.749579 192.168.100.145:5060 -> 192.168.100.145:5062 SIP/2.0 484 Address Incomplete. Via: SIP/2.0/UDP 192.168.100.145:5062;branch=z9hG4bK0d3ed7d2. From: "asterisk" sip:voicemail@192.168.100.145:5062;tag=as014ee23b. To: sip:192.168.100.145;tag=b27e1a1d33761e85846fc98f5f3a7e58.67c9. Call-ID: 6b1158a1275a1b68568b03057e2a29bb@192.168.100.145:5062. CSeq: 102 OPTIONS. Server: kamailio (4.1.2 (x86_64/linux)). Content-Length: 0.
No. That's just an OPTIONS ping. The most common use of these is as a keepalive/ping, which means it doesn't matter what the response is.