Cisco ATA-186 Administrator's Manual page 185

Appendix D SIP Call Flows
Table D-2 Log Listings
1. REGISTER sip:192.168.2.97 SIP/2.0
Via: SIP/2.0/UDP 192.168.2.194
From: <sip:9301@192.168.2.97;user=phone>
To: <sip:9301@192.168.2.97;user=phone>
Call-ID: 88397253@192.168.2.194
CSeq: 1 REGISTER
Contact: <sip:9301@192.168.2.194;user=phone;transport=udp>;expires=3600
User-Agent; Cisco ATA v2.10 ata186 (0705a)
Content-Length: 0
2. SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.2.194
Call-ID: 88397253@192.168.2.194
From: <sip:9301@192.168.2.97;user=phone>
To: <sip:9301@192.168.2.97;user=phone>
CSeq: 1 REGISTER
Content-Length: 0
3.
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.2.194
Call-ID: 88397253@192.168.2.194
From: <sip:9301@192.168.2.97;user=phone>
To: <sip:9301@192.168.2.97;user=phone>
CSeq: 1 REGISTER
Contact: <sip:9301@192.168.2.194;user=phone;transport=udp>;expires="tue, 23 Oct 2001 14:24:57 GMT"
Expires: 3600
Content-Length: 0
Cisco ATA-to-SIP Server—Registration with Authentication
Figure D-2
registration.
The call flow is as follows:
1.
2.
3.
OL-3410-01
illustrates the Cisco ATA registering with the SIP server. Authentication is required for
Cisco ATA requests registration.
SIP server requests authentication credential.
Authentication is received and registration is completed.
Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP)
Call Flow Scenarios for Successful Calls
D-3