Cisco CallManager System Guide, Release 3.3(3)
System Configuration Overview

Table Of Contents

System Configuration Overview

Basic Configuration Flow

Where to Find More Information

System Configuration Overview

For best results when configuring a complete Cisco IP telephony system, start with the system-level components and work toward the individual devices. For example, you have to configure the appropriate device pools, route patterns, and calling search spaces before you can use those components to configure phones and lines.

This chapter presents an overall flow, or order, for configuring the components of your Cisco IP telephony network. It covers the following topics:

Basic Configuration Flow

Where to Find More Information

Basic Configuration Flow

Table 3-1 lists the general steps that are involved in configuring a complete IP telephony system. If you are not using a particular feature or component, you can skip that step. You have some flexibility in the order for performing these configuration steps, and in some cases, you might have to alternate between steps or return to a given step several times to complete your configuration.

Table 3-1 Configuration Overview Checklist 

Configuration Steps
Procedures and related topics

Step 1 

Install the Cisco CallManager software on your servers. Designate the first server as the database publisher. Designate subsequent servers as database subscribers.

Installing Cisco CallManager Release 3.3

Server Configuration, Cisco CallManager Administration Guide.

Step 2 

Add services as required.

Cisco CallManager Serviceability Administration Guide

Cisco CallManager Serviceability System Guide

Step 3 

Configure system-level settings:

Cisco CallManagers (Some Cisco CallManager- specific elements are required, such as enabling of auto-registration and establishing a starting directory number [DN].)

Cisco CallManager groups

Date/time groups


Softkey templates (Softkey templates are a required field in device pool configuration, but they offer standard template options as well.)

Device pools

Device defaults

Enterprise parameters


System-Level Configuration Settings, page 4-1

Step 4 

Design and configure your dialing plan:


Calling search spaces

Route filters

Route groups

Route lists

Route patterns (If you want to assign route patterns to gateways, you need to create gateways prior to configuring the route pattern for those gateways.)

Translation patterns

Partitions and Calling Search Spaces, page 12-1

Understanding Route Plans, page 13-1.

Step 5 

Configure media resources:

Conference bridges


Media termination points

Music on hold audio sources

Music on hold servers

Media resource groups

Media resource group lists

Media Resource Management, page 16-1

Media Resource Group Configuration, Cisco CallManager Administration Guide.

Step 6 

Install and configure one of the following voice messaging systems:

External (non-Cisco) voice messaging system

Cisco Unity voice messaging system

Cisco uOne voice messaging system

SMDI Voice Mail Integration, page 23-1

Cisco uOne Voice Messaging Integration, page 25-1

Step 7 

Configure meet-me numbers/patterns.

Meet-Me Number/Pattern Configuration, Cisco CallManager Administration Guide

Step 8 

Configure message-waiting numbers.

Message Waiting Configuration, Cisco CallManager Administration Guide

Step 9 

Configure features:

Call park

Call pickup and group call pickup

Cisco IP phone services

Extension mobility

Cisco CallManager Attendant Console

Custom phone rings

Cisco IP Manager Assistant

Call Park, page 27-1

Call Pickup and Group Call Pickup, page 28-1

Cisco IP Phone Services, page 29-1

Cisco CallManager Extension Mobility and Phone Login Features, page 30-1

Cisco CallManager Extension Mobility, Cisco CallManager Features and Services Guide

Cisco CallManager Attendant Console, page 31-1

Custom Phone Rings, page 32-1

Cisco IP Manager Assistant, Cisco CallManager Features and Services Guide

Step 10 

Install and configure the gateways.

Understanding Voice Gateways, page 34-1

Step 11 

Configure and install the phones; then, associate users with the phones. Also, configure phone button templates and softkey templates.

Cisco IP Phones, page 35-1

Managing User Directory Information, page 15-1

Phone Button Template Configuration, Cisco CallManager Administration Guide

Softkey Template Configuration, Cisco CallManager Administration Guide

Step 12 

Enable computer telephony integration (CTI) application support; then, install and configure the desired CTI applications.

Computer Telephony Integration, page 36-1

Where to Find More Information

Related Topic

See Table 3-1.

Additional Cisco Documentation

Installing Cisco CallManager Release 3.3

Cisco CallManager Administration Guide