C-7
Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)
OL-4277-01
Appendix C SIP Call Flows
Call Flow Scenarios for Successful Calls
Cisco IP Phone-to-Cisco IP Phone—Basic SIP to SIP Call
without Authentication
illustrates a call from one Cisco IP Phone to another where
authentication by the SIP server is not required.
describes these actions
in detail.
shows the log of these actions.
The call flow is as follows:
1.
Call is established between Cisco IP Phone A and Cisco Cisco IP Phone B.
2.
Call is terminated.
5.
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.2.163:5060;received=192.168.2.163
Call-ID: [email protected]
From: <sip:[email protected];user=phone>;tag=118440597
To: <sip:[email protected];user=phone>
CSeq: 2 REGISTER
Content-Length: 0
6.
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.2.163:5060;received=192.168.2.163
Call-ID: [email protected]
From: <sip:[email protected];user=phone>;tag=118440597
To: <sip:[email protected];user=phone>
CSeq: 2 REGISTER
Contact: <sip:[email protected]:5060;user=phone;transport=udp>;expires="Fri, 02
May 2003 00:26:51 GMT"
Expires: 3600
Content-Length: 0
Table C-4
Log Listing (continued)
Содержание Unified 7905G
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