Table Of Contents
Getting Started
How to Use this Guide
Where to Find Additional Information
Customizing Your Cisco IP Phone on the Web
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.
Where to Find Additional Information
You can access the most current Cisco documentation on the World Wide Web at this URL:
http://www.cisco.com/univercd/home/home.htm
You can access the Cisco website at this URL:
http://www.cisco.com/
International Cisco websites can be accessed from this URL:
http://www.cisco.com/public/countries_languages.shtml
Customizing Your Cisco IP Phone on the Web
Your Cisco IP Phone is a network device that can share information with other network devices in your company, including your computer. To learn how to establish and customize phone services and to control features and settings from your computer, see Customizing Your Cisco IP Phone on the Web at the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/voice/c_ipphon/english/ipp7905g/index.htm
Safety and Performance Information
Installing and Using Your Phone
Read the following safety notices before installing or using your Cisco IP Phone:
Warning
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.
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.