Cisco 7960 Administrator's Guide

B-3
Cisco SIP IP Phone 7960 Administrator Guide
78-10497-02
Appendix B SIP Call Flows
Call Flow Scenarios for Successful Calls
Gateway-to Cisco SIP IP Phone—Successful Call Setup and
Disconnect
Figure B-1 illustrates a successful gateway-to-Cisco SIP IP phone call setup and
disconnect. In this scenario, the two end users 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.
User A calls User B.
2.
User B answers the call.
3.
User B hangs up.

Cisco 7960 Specifications

General

Codecs	G.711, G.729a
Protocol Support	SCCP, SIP
Ethernet Ports	2 x 10/100 Ethernet ports
Power Options	Power over Ethernet (PoE), AC adapter
Audio	Full-duplex speakerphone
Buttons	6 line buttons
Weight	3.5 pounds