Cisco 7960 Administrator's Manual page 140
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
Call Flow Scenarios for Successful Calls
Figure B-7
Cisco SIP IP Phone-to-Cisco SIP IP Phone Call Transfer without Consultation
SIP IP
SIP IP
SIP IP
Phone
Phone User B
IP Network
Phone User A
User C
IP
IP
IP
1. INVITE B
2. 180 Ringing
3. 200 OK
4. ACK
2-way RTP channel
5. BYE (Also: C)
6. 200 OK
A and B are disconnected.
7. INVITE C (Requested by B)
8. 180 Ringing
9. 200 OK
10. ACK
2-way RTP channel
Cisco SIP IP Phone 7960 Administrator Guide
B-32
78-10497-02
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