Cisco 2650 - 2650 Router Specifications download pdf (Page 23)

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Cisco IOS Telephony Service, Version 2.02

Chapter 2 Required Configuration Tasks

Information About Cisco ITS Version 2.02

Note Cisco IOS Telephony Service Version 2.0 implements only a small subset of TAPI functionality.

It does support operation of multiple independent clients (for example, one client per phone

line). The tagged-switch path (TSP) support does not have full TAPI support for multiple user

or multiple call handling, which is required for complex features such as automatic call

distribution (ACD) and IP contact center (IPCC). Also, this TAPI version does not have direct

media and voice-handling capabilities.

Information About Cisco ITS Version 2.02

Cisco IOS Telephony Service provides basic Cisco IP phone call-handling capabilities in a LAN

environment on the Cisco routers. This service enables the Cisco multiservice routers to act as the Cisco

IOS Telephony Service for the Cisco IP Phone 7960, Cisco IP Phone 7940, Cisco IP Phone 7910, and

Cisco IP Conference Station 7935. This service also helps download phone software images and

configures and manages the Cisco IP phones in your LAN. Cisco ITS provides a telephony system

perfect for a small office with a small number of extensions.

Cisco IOS Telephony Service Network Scenarios

Figure 2-1 shows a typical deployment of a Cisco IOS Telephony Service router with several

Cisco IP phones connected to it. The Cisco IOS Telephony Service router is connected to the public

switched telephone network (PSTN). The router can also connect to a gatekeeper and a RADIUS billing

server in the same network.

Figure 2-1 Cisco IOS Telephony Service for the Small- and Medium-Size Office

IP IP IP

PSTN

Fax

Telephone Telephone

Cisco IP phones

RADIUS

billing

server

Gatekeeper

PCs

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Cisco CME router

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Cisco 2650 - 2650 Router Specifications Page 23