U 2010/06/27 14:42:47.851685 87.106.166.145:5060 -> 220.224.129.21:5060
ACK sip:37410738995@220.224.129.21:5060;transport=udp SIP/2.0.
Via: SIP/2.0/UDP 87.106.166.145;branch=z9hG4bKbf1e.135a3cd2.2.
Via: SIP/2.0/UDP 66.234.138.73:5061;received=66.234.138.73;rport=5061;branch=z9hG4bK4dd88462d43d18cc5fbf83cd13fe9463.
Max-Forwards: 69.
From: <sip:18182557014@66.234.138.73>;tag=5ff01a7009da6e15074aaf974ef0116a.
To: <sip:37410738995@87.106.166.145>;tag=97.56.30.751040+1+1d1c0002+4105d8f4.
Call-ID: 9A0321D5-812611DF-84709643-3FD0180@66.234.138.68.
CSeq: 227 ACK.
Expires: 300.
User-Agent: Sippy.
.