Cisco IP Phone Guide 7902G for Cisco CallManager 4.0.2
Getting Started
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Getting Started

Table Of Contents

Getting Started

How to Use this Guide

Where to Find Additional Information

Safety and Performance Information

Getting Started

These sections give you the basic information you need to start using your new Cisco IP Phone.

How to Use this Guide

This guide provides you with an overview of the features available on your phone. You can read it completely for a solid understanding of your phone's capabilities, or refer to the table below for pointers to commonly-used sections.

If you want to...

Review important safety information

See the "Safety and Performance Information" section.

Use your phone after someone else has installed it for you

Start with the "An Overview of Your Phone" section.

Connect your phone to the network

See the "Connecting Your Phone" section.

Learn what the button lights mean

See the "Buttons and Hardware" section.

Make calls

See the "Placing a Call" section.

Put calls on hold

See the "Using Hold and Resume" section.

Transfer calls

See the "Transferring a Connected Call" section.

Make conference calls

See the "Making Conference Calls" section.

Change the ringer or call volume

See the "Adjusting the Volume" section.

Where to Find Additional Information

You can access the most current Cisco documentation on the World Wide Web at this URL:
You can access the Cisco website at this URL:
International Cisco websites can be accessed from this URL:

Safety and Performance Information

Installing and Using Your Phone

Read the following safety notices before installing or using your Cisco IP Phone:

This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. Use the statement number provided at the end of each warning to locate its translation in the translated safety warnings that accompanied this device.

Warning Read the installation instructions before you connect the system to its power source.

Warning Ultimate disposal of this product should be handled according to all national laws and regulations.

Warning Do not work on the system or connect or disconnect cables during periods of lightning activity.

Warning To avoid electric shock, do not connect safety extra low voltage (SELV) circuits to telephone network voltage (TNV) circuits. LAN ports contain SELV circuits, and WAN ports contain TNV circuits. Some LAN and WAN ports use RJ-45 connectors. Use caution when connecting cables.

Using an External Power Supply

The following warnings apply when you use the external power supply with the Cisco IP Phone:

Warning This product relies on the building's installation for short-circuit (over current) protection. Ensure that a fuse or circuit breaker no larger than 120 VAC, 15A U.S. (240 VAC, 10A international) is used on the phase conductors (all current-carrying conductors).

Warning The device is designed to work with TN power systems.

Warning The plug-socket combination must be accessible at all times because it serves as the main disconnecting device.

Caution Use only a Cisco-approved power supply.