Cisco 2650 - 2650 Router Specifications download pdf (Page 24)

2-4

Cisco IOS Telephony Service, Version 2.02

Chapter 2 Required Configuration Tasks

Information About Cisco ITS Version 2.02

Figure 2-2 shows a branch office with several Cisco IP phones connected to a

Cisco IAD2420 series with the Cisco IOS Telephony Service. The Cisco IAD2420 series IAD is

connected to a multiservice router at a service provider office. The multiservice router at the service

provider office provides connection to the WAN and PSTN.

Figure 2-2 Cisco IOS Telephony Service for the Service Providers

Additional Features

Provisioning

The router provides a mechanism to provision Cisco IOS Telephony Service. This provisioning interface

allows you to perform the following functions:

• Assign directory numbers to the line appearances on each Cisco IP phone.

• Assign numbers to the speed-dial buttons on each Cisco IP phone.

• Assign caller identification information to each directory number.

• Assign directory numbers to phones other than Cisco IP phones attached to the system by using the

standard voice-port and dial-peer configuration command line interface (CLI).

• Provide dial-plan information to route calls either to PSTN lines or voice network connections.

Hot-Plug Cisco IP Phones

The Cisco IP phones can be hot-plugged and unplugged to the Cisco IOS Telephony Service router

without requiring a router reboot or manual status reset.

IAD

IP IP IP

PSTN

network

Cisco IAD2430

Service

provider

office

Fax

Voice

switch

Telephone Telephone

Cisco IP phones

Gatekeeper

T1/DSL/Cable

Voice-mail

server

PCs

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Cisco 2650 - 2650 Router Specifications Page 24