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Descrição

Telefone IP Cisco, Visor gráfico escala cinza, 04 teclas programáveis dinâmicas, 06 teclas configuráveis, aceita fone de ouvido externo, viva voz,  02 portas de switching Gigabit, Poe 802.3af, teclas iluminadas, sem fonte de alimentação com licença integrada.

Especificações Técnicas

The Cisco Unified IP Phone 7971G-GE is dynamic, and it is designed to grow with system capabilities. Features will keep pace with new changes through software updates to the phone flash memory. The phone provides many accessibility methods according to user preference.
 
The Cisco Unified IP Phone 7971G-GE does not require hands-on moves or changes. Users can simply pick up the phone and move to a new location anywhere on their network—without the help of a system administrator.
 
With both a color display and touch screen, the Cisco Unified IP Phone 7971G-GE delivers more powerful applications and network data to the desktop.
 
The message key provides direct access to voicemail.
 
The phone identifies incoming messages and categorizes them on the screen, allowing users to quickly and effectively return calls using direct dial-back capability. The corporate directory integrates with the Lightweight Directory Access Protocol Version 3 (LDAPv3) standard directory.
 
The settings feature key allows the user to adjust display contrast and select from many ringer sounds and volume settings for all audio such as ringer, handset, headset, and speaker. Network configuration preferences also can be set up (usually by the system administrator).
 
Configuration can either be automatic or manually set up for Dynamic Host Control Protocol (DHCP), Trivial File Transfer Protocol (TFTP),Cisco Unified CallManager software, and backup Cisco Unified CallManager software.
 
The Cisco Unified IP Phone 7971G-GE allows users to quickly access diverse information such as weather, stocks, quote of the day, or any Web-based information. The phone uses XML to provide a portal to an ever-growing world of features and information.
The online help feature gives users information about the phone keys, buttons, and features. The pixel display allows for greater flexibility of features and significantly expands the information viewed when using features such as Services, Information, Messages, and Directory.
 
For example, the directory button can show local and server-based directory information.
 
The phone features high-quality speakerphone technology. It also includes an easy-to-use speaker on/off button and microphone mute buttons. These buttons are lit when active. The convenient volume-control button provides for easy decibel-level adjustments for the speakerphone, handset, headset, and ringer.
 
The display key provides easy access to previous pages or applications still open on the LCD.
 
Cisco 2-Port Gigabit Ethernet Switch
 
RJ-45 interface with single LAN connectivity for both the phone and a co-located PC. The system administrator can designate separate VLANs (802.1Q) for the PC and Cisco Unified IP phones, providing improved security and reliability of voice and data traffic.
 
A dedicated headset port eliminates the need for a separate amplifier when using a headset, allowing the handset to remain in its cradle—thereby making headset use simpler.
 
 The Cisco Unified IP Phone 7971G-GE can receive power down the LAN from any Cisco IEEE 802.3af PoE switch. Also, this phonecan be powered locally with a power supply. The phone does not support Cisco Prestandard PoE.
 
 For added information security, the audible dual tone multifrequency (DTMF) tones are masked when the speakerphone mode is used.
 
The phone supports the Cisco Unified IP Phone 7914 Expansion Module.
 
G.711 and G.729a audio compression
An IP address assignment—DHCP client or statically configured
Comfort-noise generation and voice-activity-detection (VAD) programming on a system basis
Display contrast
Ring type
Network configuration
Call status
 
Descritivo Técnico  pdf

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