SIP messages between two endpoints.

Sep 11 00:41:59.171: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:
Sent:
INVITE sip:1001@10.1.21.49:5060 SIP/2.0
Via: SIP/2.0/UDP 10.1.11.4:5060;branch=z9hG4bKBAEC
Remote-Party-ID: <sip:911@10.1.11.4>;party=calling;screen=no;privacy=off
From: <sip:911@10.1.11.4>;tag=2A28BE60-16CA
To: <sip:1001@10.1.21.49>
Date: Mon, 11 Sep 2006 00:41:59 GMT
Call-ID: 2ACF6A6D-406511DB-8214CCF7-AB8B1472@10.1.11.4
Supported: 100rel,timer,resource-priority
Min-SE:  1800
Cisco-Guid: 703035978-1080365531-2182204663-2878018674
User-Agent: Cisco-SIPGateway/IOS-12.x
Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER
CSeq: 101 INVITE
Max-Forwards: 70
Timestamp: 1157935319
Contact: <sip:911@10.1.11.4:5060>
Expires: 180
Allow-Events: telephone-event
Content-Type: application/sdp
Content-Disposition: session;handling=required
Content-Length: 238

v=0
o=CiscoSystemsSIP-GW-UserAgent 9779 8954 IN IP4 10.1.11.4
s=SIP Call
c=IN IP4 10.1.11.4
t=0 0
m=audio 19270 RTP/AVP 0 101
c=IN IP4 10.1.11.4
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=ptime:20

Sep 11 00:41:59.179: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:
Received:
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 10.1.11.4:5060;branch=z9hG4bKBAEC
From: <sip:911@10.1.11.4>;tag=2A28BE60-16CA
To: <sip:1001@10.1.21.49>
Call-ID: 2ACF6A6D-406511DB-8214CCF7-AB8B1472@10.1.11.4
CSeq: 101 INVITE
Server: Brekeke OnDO SIP Server (rev.172)
Content-Length: 0

Sep 11 00:41:59.215: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:
Received:
SIP/2.0 180 Ringing
Via: SIP/2.0/UDP 10.1.11.4:5060;branch=z9hG4bKBAEC
From: <sip:911@10.1.11.4>;tag=2A28BE60-16CA
To: <sip:1001@10.1.21.49>;tag=16777329
Date: Wed, 13 Sep 2006 12:47:08 GMT
Call-ID: 2ACF6A6D-406511DB-8214CCF7-AB8B1472@10.1.11.4
Timestamp: 1157935319
CSeq: 101 INVITE
Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK
Allow-Events: telephone-event
Remote-Party-ID: <sip:1001@10.1.21.50>;party=called;screen=no;privacy=off
Contact: <sip:1001@10.1.21.49:5060>
Record-Route: <sip:10.1.21.49:5060;lr>
Content-Length: 0
Sep 11 00:42:00.559: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:
Received:
SIP/2.0 200 OK
Via: SIP/2.0/UDP 10.1.11.4:5060;branch=z9hG4bKBAEC
From: <sip:911@10.1.11.4>;tag=2A28BE60-16CA
To: <sip:1001@10.1.21.49>;tag=16777329
Date: Wed, 13 Sep 2006 12:47:08 GMT
Call-ID: 2ACF6A6D-406511DB-8214CCF7-AB8B1472@10.1.11.4
Timestamp: 1157935319
CSeq: 101 INVITE
Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK
Allow-Events: telephone-event
Remote-Party-ID: <sip:1001@10.1.21.50>;party=called;screen=yes;privacy=off
Contact: <sip:1001@10.1.21.49:5060>
Record-Route: <sip:10.1.21.49:5060;lr>
Content-Type: application/sdp
Content-Length: 223

v=0
o=CiscoSystemsCCM-SIP 2000 1000 IN IP4 10.1.21.50
s=SIP Call
c=IN IP4 10.1.21.50
t=0 0
m=audio 24678 RTP/AVP 0 101
a=sendrecv
a=rtpmap:0 PCMU/8000
a=ptime:20
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15

Sep 11 00:42:00.571: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:
Sent:
ACK sip:1001@10.1.21.49:5060 SIP/2.0
Via: SIP/2.0/UDP 10.1.11.4:5060;branch=z9hG4bKC1569
From: <sip:911@10.1.11.4>;tag=2A28BE60-16CA
To: <sip:1001@10.1.21.49>;tag=16777329
Date: Mon, 11 Sep 2006 00:41:59 GMT
Call-ID: 2ACF6A6D-406511DB-8214CCF7-AB8B1472@10.1.11.4
Route: <sip:10.1.21.49:5060;lr>
Max-Forwards: 70
CSeq: 101 ACK
Content-Length: 0

Sep 11 00:42:03.447: %MV64340_ETHERNET-5-LATECOLLISION: FastEthernet0/1, late collision error
Sep 11 00:42:06.183: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:
Received:
BYE sip:911@10.1.11.4:5060 SIP/2.0
Via: SIP/2.0/UDP 10.1.21.49:5060;rport;branch=z9hG4bKc06f1e40a2ac9bac.3
Via: SIP/2.0/UDP  10.1.21.50:5060;branch=z9hG4bK6134c268
From: <sip:1001@10.1.21.49>;tag=16777329
To: <sip:911@10.1.11.4>;tag=2A28BE60-16CA
Date: Wed, 13 Sep 2006 12:47:09 GMT
Call-ID: 2ACF6A6D-406511DB-8214CCF7-AB8B1472@10.1.11.4
User-Agent: Cisco-CCM4.1
Max-Forwards: 69
CSeq: 101 BYE
Record-Route: <sip:10.1.21.49:5060;lr>
Content-Length: 0

Sep 11 00:42:06.191: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:
Sent:
SIP/2.0 200 OK
Via: SIP/2.0/UDP 10.1.21.49:5060;rport;branch=z9hG4bKc06f1e40a2ac9bac.3,SIP/2.0/UDP  10.1.21.50:5060;branch=z9hG4bK6134c268
From: <sip:1001@10.1.21.49>;tag=16777329
To: <sip:911@10.1.11.4>;tag=2A28BE60-16CA
Date: Mon, 11 Sep 2006 00:42:06 GMT
Call-ID: 2ACF6A6D-406511DB-8214CCF7-AB8B1472@10.1.11.4
Server: Cisco-SIPGateway/IOS-12.x
CSeq: 101 BYE
Reason: Q.850;cause=16
Content-Length: 0