Gateway To Cisco Sip Ip Phone In A Sip Network; Call Setup And Disconnect; Appendix B Sip Call Flow - Cisco 7960G Administration Manual

Call Flow Scenarios for Successful Calls
Call Flow Scenarios for Successful Calls
This section describes successful call flow scenarios, which are as follows:
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Gateway to Cisco SIP IP Phone in a SIP Network

The following scenarios describe and illustrate successful calls in a gateway to a Cisco SIP IP phone:
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Call Setup and Disconnect

Figure B-1
are User A and User B. User A is located at PBX A. PBX A is connected to Gateway 1 (SIP gateway)
via a T1/E1. User B is located at a Cisco SIP IP phone. Gateway 1 is connected to the Cisco SIP IP phone
over an IP network.
The call flow is as follows:
1.
2.
3.
Cisco Unified IP Phone 7960G and 7940G Administration Guide for Release 8.0 (SIP)
B-2
Gateway to Cisco SIP IP Phone in a SIP Network, page B-2
Cisco SIP IP Phone to Cisco SIP IP Phone, page B-8
Call Setup and Disconnect, page B-2
Call Setup and Hold, page B-4
Call to a Gateway Acting As an Emergency Proxy from a Cisco SIP IP Phone, page B-7
illustrates a successful phone-call setup and disconnect. In this scenario, the two end users
User A calls User B.
User B answers the call.
User B hangs up.
Appendix B SIP Call Flows
OL-7890-01