Data Sheet
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 2 of 4
Features and Benefits
The large LCD display of the Cisco Unified IP Color Key Expansion Module allows for quick and easy identification of
associated buttons. Using the Preferences menu of the Cisco Unified IP Phone 9971, 9951, and 8961 models, you
can adjust the brightness of the individual key-expansion-module LCDs according to preference.
You can program feature key buttons on the Cisco Unified IP Color Key Expansion Module as a directory number,
line key, or speed-dial key. The buttons are illuminated, and when configured as a directory number or shared-line
keys they allow for easy identification of call state. This capability provides features that are similar to those of typical
direct station selection/busy lamp field (DSS/BLF) modules but are not intended to be directly comparable to those of
traditional DSS/BLF modules. The Cisco Unified IP Color Key Expansion Module is neither an operator nor an
attendant console. Its primary function is to provide the Cisco Unified IP Phone 9971, 9951, and 8961 models with
additional keys for features such as speed dial or directory numbers. The illuminated buttons make it easy to
determine line status, making the Cisco Unified IP Color Key Expansion Module an ideal call-coverage tool.
The two illuminated page buttons beneath the display of the Cisco Unified IP Color Key Expansion Module allow you
to shift between the first and second pages of 18 buttons, providing access to all 36 keys, 18 at a time.
Table 1 describes the features and benefits in more detail.
Table 1. Features and Benefits
Feature Benefits
Illuminated Buttons
Off (dark) Line available
Green, steady Line in use
Red, steady Line in use by someone else
Amber, flashing Line ringing
Illuminated Page Buttons
Off (dark) Page not in focus
Green, steady Page in focus
Amber, flashing Page not in focus, with one or more alerting or on-hold calls present on page
Hardware and Power-Saving Features
Graphical display The 4.3-in. graphical (TFT) color display provides 16-bit color depth and 480 x 272 effective pixel resolution, with
backlight. The display also supports localization requiring double-byte Unicode encoding for fonts.
Articulation You can articulate the display to match the same angle as the Cisco Unified IP Phone it is connected to.
Directory-number and feature
buttons
The module has 18 physical buttons (36 with page key).
Page buttons The two Page buttons are used to access each page of 18 buttons and provide phone status.
Sleep or inactivity mode When Cisco Unified IP Phone 9971, 9951, and 8961 models are in power-saving sleep or inactivity mode, the
Cisco Unified IP Color Key Expansion Module is also in sleep or inactivity mode. Pressing any button on the key
expansion module causes the displays to awaken. The system administrator configures the inactivity period.
Hardware Support and Compatibility
Table 2 describes the Cisco IP Color Key Expansion Module hardware support compatibility.
Table 2. Cisco IP Color Key Expansion Module Hardware Support Compatibility
Cisco Unified IP Phone Model Number of Cisco Unified IP Color Key Expansion Modules Supported
9971 3
9951 2
8961 1
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