CHAPTER
1-1
Cisco Unified IP Phone 7960G/7940G Administration Guide for Cisco Unified Communications Manager 7.0 (SIP)
OL-15499-01
1
An Overview of the Cisco Unified IP Phone
The Cisco Unified IP Phone provides voice communication over an Internet Protocol (IP) network. It
functions much like a digital business telephone, allowing you to place and receive phone calls and to
access features such as mute, hold, transfer, and speed dial. In addition, because the phone is connected
to your data network, it offers enhanced productivity features, including access to network information
and services, XML applications, and customizeable features. The phone also supports security features
that include configuration file encryption, and image and digest authentication.
The Cisco Unified IP Phone 7960G and 7940G (SIP) are interoperable with RFC-3261, RFC-3264, and
RFC-3311.
A Cisco Unified IP Phone, like other network devices, must be configured and managed. These phones
encode G.711a, G.711u, G.729a, G.729ab, and decode G.711a, G.711u, G.729, G.729a, G.729b, and
G.729ab. These phones also support uncompressed wideband (16 bits, 16 kHz) audio.
This chapter includes the following topics:
• Understanding the Cisco Unified IP Phone 7960G and 7940G, page 1-1
• What Networking Protocols Are Used?, page 1-4
• What Features are Supported on the Cisco Unified IP Phone 7960G and 7940G?, page 1-5
• Understanding Security Features for Cisco Unified IP Phones, page 1-7
• Overview of Configuring and Installing Cisco Unified IP Phones, page 1-9
Caution Using a mobile or GSM phone, or two-way radio in close proximity to a Cisco Unified IP Phone might
cause interference. For more information, refer to the manufacturer's documentation of the interfering
device.
Understanding the Cisco Unified IP Phone 7960G and 7940G
Figure 1-1 shows the main components of the Cisco Unified IP Phone 7960G and Figure 1-2, shows the
main components of the Cisco Unified IP Phone 7940G.
These phone models differ only in the number of available line or speed dial buttons. The
Cisco
Unified IP Phone 7940G has two lines, and the 7960G has six lines.
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