#
U 2015/08/21 12:39:10.402939 162.213.133.319:5060 -> 87.81.231.42:43828
INVITE sip:+447984972374@87.81.231.42:43828;transport=udp SIP/2.0
Record-Route: <sip:162.213.133.319;lr;nat=yes;did=35c.3f99cf11>
Via: SIP/2.0/UDP 162.213.133.319:5060;branch=z9hG4bKa8ca.7e5b1a96.1
Via: SIP/2.0/UDP 87.81.231.42:37869;received=87.81.231.42;rport=37869;branch=z9hG4bK21974
Max-Forwards: 69
To: <sip:+447984972374@sipdomain.com;transport=udp>
From: <sip:+447479189410@sipdomain.com>;tag=z9hG4bK55208883
Call-ID: 175503919346@192.168.0.11
CSeq: 1 INVITE
Contact: <sip:+447479189410@87.81.231.42:37869;transport=udp>
Expires: 3600
User-Agent: Agent/1.4.0/MP-S168
Content-Length: 438
Content-Type: application/sdp

v=0
o=user 0 0 IN IP4 162.213.133.319
s=Session SIP/SDP
c=IN IP4 162.213.133.319
t=0 0
a=ice-ufrag:aca3p
a=ice-pwd:3ttddnvelfeepofri50fgert85
m=audio 36454 RTP/AVP 9 8 0 101
a=rtpmap:9 G722/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=candidate:1 1 udp 2130706431 87.81.231.42 21000 typ host
a=candidate:1 2 udp 2130706430 87.81.231.42 21001 typ host
a=nortpproxy:yes

#
U 2015/08/21 12:39:12.307101 162.213.133.319:5060 -> 87.81.231.42:37869
SIP/2.0 408 Request Timeout
Via: SIP/2.0/UDP 87.81.231.42:37869;received=87.81.231.42;rport=37869;branch=z9hG4bK21974
To: <sip:+447984972374@sipdomain.com;transport=udp>;tag=76a8e16fec325f586293197ce4687efa-f256
From: <sip:+447479189410@sipdomain.com>;tag=z9hG4bK55208883
Call-ID: 175503919346@192.168.0.11
CSeq: 1 INVITE
Server: OpenSIPS (2.1.0 (x86_64/linux))
Content-Length: 0


#
U 2015/08/21 12:39:12.679808 87.81.231.42:37869 -> 162.213.133.319:5060
ACK sip:+447984972374@sipdomain.com;transport=udp SIP/2.0
Via: SIP/2.0/UDP 87.81.231.42:37869;rport;branch=z9hG4bK21974
Max-Forwards: 70
To: <sip:+447984972374@sipdomain.com;transport=udp>;tag=76a8e16fec325f586293197ce4687efa-f256
From: <sip:+447479189410@sipdomain.com>;tag=z9hG4bK55208883
Call-ID: 175503919346@192.168.0.11
CSeq: 1 ACK
User-Agent: Agent/1.4.0/MP-S168
Content-Length: 0