+-----------------------------+---------------------+------------------------------------------+------+---------------------+-----------+-------+-------+--------------------------------------------+
| contact                     | expires             | callid                                   | cseq | last_modified       | replicate | state | flags | user_agent                                 |
+-----------------------------+---------------------+------------------------------------------+------+---------------------+-----------+-------+-------+--------------------------------------------+
| sip:xyz@71.107.14.101:29471 | 2005-11-15 04:55:10 | e512ab5a-228a984-90f85919@192.168.112.14 |   18 | 2005-11-15 04:53:10 |         0 |     0 |     0 | PolycomSoundPointIP-SPIP_501-UA/1.5.2.0054 |
| sip:xyz@71.107.14.101:29472 | 2005-11-15 04:56:10 | e512ab5a-228a984-90f85919@192.168.112.14 |   19 | 2005-11-15 04:54:10 |         0 |     0 |     0 | PolycomSoundPointIP-SPIP_501-UA/1.5.2.0054 |
| sip:xyz@71.107.14.101:29473 | 2005-11-15 04:57:10 | e512ab5a-228a984-90f85919@192.168.112.14 |   20 | 2005-11-15 04:55:10 |         0 |     0 |     0 | PolycomSoundPointIP-SPIP_501-UA/1.5.2.0054 |
+---------------------------------------------+---------------------+------------------------------------------+------+---------------------+-----------+-------+-------+-----------------------------


U 71.107.14.101:29489 -> 69.90.209.36:5060
REGISTER sip:69.90.209.36:5060 SIP/2.0.
Via: SIP/2.0/UDP 192.168.112.14:5060;branch=z9hG4bKde5e6ad7DFBFCD9A.
From: "xyz" <sip:xyz@69.90.209.36>;tag=127858DE-23197D0B.
To: <sip:xyz@69.90.209.36>.
CSeq: 31 REGISTER.
Call-ID: e512ab5a-228a984-90f85919@192.168.112.14.
Contact: <sip:xyz@192.168.112.14:5060>;methods="INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER".
User-Agent: PolycomSoundPointIP-SPIP_501-UA/1.5.2.0054.
Max-Forwards: 70.
Expires: 3600.
Content-Length: 0.
.


U 69.90.209.36:5060 -> 71.107.14.101:29489
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.112.14:5060;branch=z9hG4bKde5e6ad7DFBFCD9A;rport=29489;received=71.107.14.101.
From: "xyz" <sip:xyz@69.90.209.36>;tag=127858DE-23197D0B.
To: <sip:xyz@69.90.209.36>;tag=b27e1a1d33761e85846fc98f5f3a7e58.82aa.
CSeq: 31 REGISTER.
Call-ID: e512ab5a-228a984-90f85919@192.168.112.14.
Expires: 120.
Contact: <sip:xyz@71.107.14.101:29488>;expires=60, <sip:xyz@71.107.14.101:29489>;expires=120.
Server: Router (0.9.0 (i386/linux)).
Content-Length: 0.
.