Specifications

CHAPTER

2-1

Cisco IOS Telephony Service, Version 2.02

Required Configuration Tasks

This chapter explains the required tasks for configuring Cisco IOS Telephony Service (ITS).

Contents

• Prerequisites for ITS Configuration, page 2-1

• Restrictions for Cisco IOS Telephony Service, page 2-2

• Information About Cisco ITS Version 2.02, page 2-3

• How to Configure Cisco IOS Telephony Service, page 2-5

• Verification and Troubleshooting, page 2-15

• Monitoring and Maintaining Cisco IOS Telephony Service, page 2-17

• Configuration Examples, page 2-18

Prerequisites for ITS Configuration

The following are prerequisites that must be met before configuration:

• IP routing must be enabled.

• The network must be configured with Dynamic Host Configuration Protocol (DHCP).

• Cisco IOS Release 12.2(13)T or a later release is required.

• Appropriate Cisco IP phone firmware versions that support the Cisco IP Phone 7960,

Cisco IP Phone 7940, and Cisco IP Phone 7910 models, and Cisco IP Conference Station 7935 are

required. To get the appropriate Cisco IP phone firmware versions, go to the following URL:

http://www.cisco.com/cgi-bin/tablebuild.pl/ip-key

Note You must purchase a feature license to turn on this new feature. You also need an account on

Cisco.com to access the Cisco IP phone firmware versions.

• Memory requirements are dependent on the platform and the number of supported Cisco IP phones.

See the“Memory Requirements” section on page 1-4 for details.