Cisco Unified IP Phone 7942G, Spare Specification Guide
Data Sheet
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Figure 2. Close-Up of Display and Lighted Line Keys
Features and Benefits
The Cisco Unified IP Phone 7942G is designed to grow with your organization and enhancements to your system
capabilities. The dynamic feature set allows the phone to keep pace with your requirements through regular software
updates. Firmware changes can be downloaded from Cisco.com. No hands-on moves and changes are required
with the phone—you can simply pick up the phone and move to a new location anywhere on your network. The
Cisco Unified IP Phone 7942G also provides many accessibility features. Table 1 lists the phone’s features.
Table 1.
Cisco Unified IP Phone 7942G Features
Feature
Description/Benefit
Display
5-inch (12.5 cm), high-resolution (320 x 222), graphical monochrome 4-bit grayscale display. Allows for
greater flexibility of features and applications, and significantly expands the information viewed when using
features such as Services, Information, Messages, and Directory. Display also supports localization requiring
double-byte Unicode encoding for fonts.
greater flexibility of features and applications, and significantly expands the information viewed when using
features such as Services, Information, Messages, and Directory. Display also supports localization requiring
double-byte Unicode encoding for fonts.
Wideband Audio
Support for wideband (G.722 codec, adherence to TIA 920), including handset, headset, and speakerphone
(see Q&A for details).
(see Q&A for details).
Codec Support
G.711a, G.711µ, G.729a, G.729ab, G.722, and iLBC audio compression codecs are supported (see Q&A for
details).
details).
Speakerphone
Full-duplex speakerphone with acoustic echo cancellation.
Messages Key
Provides direct access to voicemail.
Directories Key
Ready access to missed, received, and placed calls (plus intercom history and directories). Incoming
messages are identified and categorized on the display, allowing users to quickly and effectively return calls
using direct dial-back capability. Corporate directory integrates with the Lightweight Directory Access Protocol
Version 3 (LDAP3) standard directory.
messages are identified and categorized on the display, allowing users to quickly and effectively return calls
using direct dial-back capability. Corporate directory integrates with the Lightweight Directory Access Protocol
Version 3 (LDAP3) standard directory.
Settings Key
Allows user to adjust display contrast, select background images (if available), and select ringer sounds
through the User Preference menu. Network Configuration preferences also can be set up (usually by the
system administrator). Configuration can be set up either automatically or manually for Dynamic Host Control
Protocol (DHCP), Trivial File Transfer Protocol (TFTP), Cisco Unified Communications Manager, and backup
Cisco Unified Communications Manager instances. Other available Settings submenus include Device
Configuration, Security Configuration, and Model Information.
through the User Preference menu. Network Configuration preferences also can be set up (usually by the
system administrator). Configuration can be set up either automatically or manually for Dynamic Host Control
Protocol (DHCP), Trivial File Transfer Protocol (TFTP), Cisco Unified Communications Manager, and backup
Cisco Unified Communications Manager instances. Other available Settings submenus include Device
Configuration, Security Configuration, and Model Information.
Services Key
Allows users to quickly access diverse information such as weather, stocks, quote of the day, or any Web-
based information using XML.
based information using XML.
Help Button
Online Help gives users information about the phone keys, buttons, and features.
Speakerphone, Mute, and Headset
Buttons
Buttons
Speakerphone includes Speaker On/Off, Microphone Mute, and Headset buttons that are lit when active. For
added security, the audible dual tone multifrequency (DTMF) tones are masked when the speakerphone
mode is used.
added security, the audible dual tone multifrequency (DTMF) tones are masked when the speakerphone
mode is used.