[Aug 21 23:14:58] VERBOSE[2800] chan_sip.c: 
<--- SIP read from UDP:192.168.0.1:5060 --->
SIP/2.0 200 OK 
CSeq: 102 OPTIONS 
Via: SIP/2.0/UDP 72.110.291.10:5060;branch=z9hG4bK08da8e9e 
From: "Unknown" <sip:Unknown@72.110.291.10>;tag=as05cadf2d 
Call-ID: 5ed0f32919a984196c79696d4bc84603@72.110.291.10 
To: <sip:192.168.0.1>;tag=220814110657 
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE 
Content-Length: 0