Cisco 7960 Administrator's Manual page 157
Sip ip phone
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Also See for 7960:
- User manual (186 pages) ,
- Administration manual (150 pages) ,
- Getting started (50 pages)
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Appendix B
SIP Call Flows
Figure B-11 Cisco SIP IP Phone-to-Cisco SIP IP Phone Network Call Forwarding (No Answer)
IP
SIP IP
Phone
User A
1. INVITE B
6. 180 Ringing
12. 200 OK
13. ACK
2-way RTP channel
78-10497-02
IP Network
Proxy
Server
2. INVITE B
3. 300 Multiple Choices
4. INVITE B
5. 180 Ringing
7. CANCEL
8. 200 OK
9. INVITE C
10. 180 Ringing
11. 200 OK
14. ACK
Call Flow Scenarios for Successful Calls
SIP IP
Redirect
Phone
Server
User B
Cisco SIP IP Phone 7960 Administrator Guide
IP
IP
SIP IP
Phone
User C
B-49
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