##
T 2015/08/19 01:38:55.881053 94.197.121.110:13584 -> 162.212.133.219:12223 [AP]
INVITE sip:+447479189410@sipdomain.com;transport=tcp SIP/2.0
Via: SIP/2.0/TCP 10.87.62.55:35148;rport;branch=z9hG4bK55766
Max-Forwards: 70
To: <sip:+447479189410@sipdomain.com;transport=tcp>
From: <sip:+447984977774@sipdomain.com>;tag=z9hG4bK21406356
Call-ID: 970330523039@10.87.62.55
CSeq: 1 INVITE
Contact: <sip:+447984977774@10.87.62.55:35148;transport=tcp>
Expires: 3600
User-Agent: Agent/1.3.4/SM-G900F
Content-Length: 410
Content-Type: application/sdp

v=0
o=user 0 0 IN IP4 10.87.62.55
s=Session SIP/SDP
c=IN IP4 10.87.62.55
t=0 0
a=ice-ufrag:95am3
a=ice-pwd:4p13drc2d8jbgiqbhvnha1mrqc
m=audio 21000 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 10.87.62.55 21000 typ host
a=candidate:1 2 udp 2130706430 10.87.62.55 21001 typ host

#
T 2015/08/19 01:38:55.883326 162.212.133.219:12223 -> 94.197.121.110:13584 [AP]
SIP/2.0 100 Giving a try
Via: SIP/2.0/TCP 10.87.62.55:35148;received=94.197.121.110;rport=13584;branch=z9hG4bK55766
To: <sip:+447479189410@sipdomain.com;transport=tcp>
From: <sip:+447984977774@sipdomain.com>;tag=z9hG4bK21406356
Call-ID: 970330523039@10.87.62.55
CSeq: 1 INVITE
Server: OpenSIPS (2.1.0 (x86_64/linux))
Content-Length: 0


#
T 2015/08/19 01:38:55.884187 162.212.133.219:12223 -> 188.29.165.141:48205 [AP]
INVITE sip:+447479189410@10.61.208.143:47094;transport=tcp SIP/2.0
Record-Route: <sip:162.212.133.219:12223;transport=tcp;lr;nat=yes;did=89c.89eb2277>
Via: SIP/2.0/TCP 162.212.133.219:12223;branch=z9hG4bKfccc.50dcdc71.0;i=d
Via: SIP/2.0/TCP 10.87.62.55:35148;received=94.197.121.110;rport=13584;branch=z9hG4bK55766
Max-Forwards: 69
To: <sip:+447479189410@sipdomain.com;transport=tcp>
From: <sip:+447984977774@sipdomain.com>;tag=z9hG4bK21406356
Call-ID: 970330523039@10.87.62.55
CSeq: 1 INVITE
Contact: <sip:+447984977774@94.197.121.110:13584;transport=tcp>
Expires: 3600
User-Agent: Agent/1.3.4/SM-G900F
Content-Length: 436
Content-Type: application/sdp

v=0
o=user 0 0 IN IP4 162.212.133.219
s=Session SIP/SDP
c=IN IP4 162.212.133.219
t=0 0
a=ice-ufrag:95am3
a=ice-pwd:4p13drc2d8jbgiqbhvnha1mrqc
m=audio 50272 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 10.87.62.55 21000 typ host
a=candidate:1 2 udp 2130706430 10.87.62.55 21001 typ host
a=nortpproxy:yes

##
T 2015/08/19 01:38:56.578402 188.29.165.141:48205 -> 162.212.133.219:12223 [AP]
CANCEL sip:+447984977774@sipdomain.com;transport=tcp SIP/2.0
Via: SIP/2.0/TCP 10.61.208.143:47094:-1;rport;branch=z9hG4bK51760
Max-Forwards: 70
To: <sip:+447984977774@sipdomain.com;transport=tcp>
From: <sip:+447479189410@sipdomain.com>;tag=z9hG4bK42432199
Call-ID: 046951809964@10.61.208.143
CSeq: 1 CANCEL
Contact: <sip:+447479189410@10.61.208.143:47094;transport=tcp>
Expires: 3600
User-Agent: Agent/1.3.4/MP-S168
Content-Length: 0