#
U 2013/10/18 13:07:45.004852 84.12.7.2:5063 -> 5.13.14.16:5060
INVITE sip:979006454@5.13.14.16:5060 SIP/2.0.
Via: SIP/2.0/UDP 84.12.7.2:5063;rport;branch=z9hG4bKPjhpT0N5IqaFYgxGYUJhwhWr.u9NliDoxS.
Max-Forwards: 70.
From: "CABINA 3" <sip:99892323163@5.13.14.16:5060>;tag=wWMHMts8VLn01EY07deOnmYLniME3k4R.
To: <sip:979006454@5.13.14.16:5060>.
Contact: <sip:99892323163@84.12.7.2:5063;transport=UDP>.
Call-ID: h0TQRPQFgL3te.KErOGp5N8TX6GG2MJf.
CSeq: 19047 INVITE.
Allow: INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, SUBSCRIBE, NOTIFY, REFER, OPTIONS, MESSAGE.
Supported: replaces, 100rel.
User-Agent: AT810 V2.2.0.
Content-Type: application/sdp.
Content-Length:   258.
.
v=0.
o=ATCOM 3591086864 3591086864 IN IP4 84.12.7.2.
s=ATCOM Audio Call.
c=IN IP4 84.12.7.2.
t=0 0.
m=audio 13002 RTP/AVP 18 101.
c=IN IP4 84.12.7.2.
a=sendrecv.
a=rtpmap:18 G729/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-15.
a=ptime:20.

#
U 2013/10/18 13:07:45.005013 5.13.14.16:5060 -> 84.12.7.2:5063
SIP/2.0 400 Bad Request.
Via: SIP/2.0/UDP 84.12.7.2:5063;rport=5063;branch=z9hG4bKPjhpT0N5IqaFYgxGYUJhwhWr.u9NliDoxS.
From: "CABINA 3" <sip:99892323163@5.13.14.16:5060>;tag=wWMHMts8VLn01EY07deOnmYLniME3k4R.
To: <sip:979006454@5.13.14.16:5060>;tag=Q5v5p4UmNtpQc.
Call-ID: h0TQRPQFgL3te.KErOGp5N8TX6GG2MJf.
CSeq: 19047 INVITE.
Content-Length: 0.