Appendix B SIP Call Flows
Call Flow Scenarios for Failed Calls
B-68
Cisco SIP IP Phone 7960 Administrator Guide
78-10497-02
Cisco SIP IP Phone-to-Cisco SIP IP Phone—Called User Does
Not Answer
Figure B-17 illustrates an unsuccessful call in which User A initiates a call to
User B but User B does not answer.
Figure B-17 Cisco SIP IP Phone-to-Cisco SIP IP Phone—Called User Does Not Answer
IP
IP
2. 180 Ringing
4. 200 OK
3. CANCEL
1. INVITE B
IP Network
SIP IP
Phone User A
SIP IP
Phone User B
41476
Содержание Cisco 7960
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Страница 18: ...About This Guide Obtaining Technical Assistance xviii Cisco SIP IP Phone 7960 Administrator Guide 78 10497 02 ...
Страница 192: ...Appendix D Translated Safety Warnings D 8 Cisco SIP IP Phone 7960 Administrator Guide 78 10497 02 ...
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