#
U 2015/08/06 05:55:52.904659 87.71.230.41:5060 -> 188.29.164.85:27481
INVITE sip:+447479189410@10.61.5.50:38501;transport=udp SIP/2.0
Record-Route: <sip:87.71.230.41;lr;did=10e.5b32d281;nat=yes>
Via: SIP/2.0/UDP 87.71.230.41:5060;branch=z9hG4bK83e4.aa4ce4d7.2
Via: SIP/2.0/UDP 10.91.181.26:54285;received=94.197.120.128;rport=15005;branch=z9hG4bK72171
Max-Forwards: 69
To: <sip:+447479189410@domain.com;transport=udp>
From: <sip:+447984977774@domain.com>;tag=z9hG4bK58280551
Call-ID: 305885612131@10.91.181.26
CSeq: 1 INVITE
Contact: <sip:+447984977774@94.197.120.128:15005;transport=udp>
Expires: 3600
User-Agent: Agent/1.3.4/SM-G900F
Content-Length: 620
Content-Type: application/sdp

v=0
o=user 0 0 IN IP4 87.71.230.41
s=Session SIP/SDP
c=IN IP4 87.71.230.41
t=0 0
a=ice-ufrag:1u9u0
a=ice-pwd:78j5rm49khf492jk4n984i271e
m=audio 61812 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 10.91.181.26 21000 typ host
a=candidate:2 1 udp 1694498815 94.197.120.128 37872 typ srflx raddr 10.91.181.26 rport 21000
a=candidate:1 2 udp 2130706430 10.91.181.26 21001 typ host
a=candidate:2 2 udp 1694498814 94.197.120.128 37873 typ srflx raddr 10.91.181.26 rport 21001
a=nortpproxy:yes

#
U 2015/08/06 05:55:55.023263 87.71.230.41:5060 -> 94.197.120.128:15005
SIP/2.0 408 Request Timeout
Via: SIP/2.0/UDP 10.91.181.26:54285;received=94.197.120.128;rport=15005;branch=z9hG4bK72171
To: <sip:+447479189410@domain.com;transport=udp>;tag=dbc6acfb659a42a8236031f712d489ff-f851
From: <sip:+447984977774@domain.com>;tag=z9hG4bK58280551
Call-ID: 305885612131@10.91.181.26
CSeq: 1 INVITE
Server: OpenSIPS (1.11.5-tls (x86_64/linux))
Content-Length: 0


#
U 2015/08/06 05:55:55.304784 94.197.120.128:15005 -> 87.71.230.41:5060
ACK sip:+447479189410@domain.com;transport=udp SIP/2.0
Via: SIP/2.0/UDP 10.91.181.26:54285;rport;branch=z9hG4bK72171
Max-Forwards: 70
To: <sip:+447479189410@domain.com;transport=udp>;tag=dbc6acfb659a42a8236031f712d489ff-f851
From: <sip:+447984977774@domain.com>;tag=z9hG4bK58280551
Call-ID: 305885612131@10.91.181.26
CSeq: 1 ACK
User-Agent: Agent/1.3.4/SM-G900F
Content-Length: 0