Chapter 7 Viewing Security Information, Model Information, Status, and Statistics on the Cisco Unified IP Phone

Status Menu

Table 7-3provides a list of Model Information items and a description of each.

Table 7-3 Model Information

Item

Description

 

 

Model Number

Model number of the phone

 

 

MAC Address

MAC address of the phone

 

 

Load File

Identifier of the factory-installed load running on the

 

phone

 

 

Boot Load ID

Identifier of the factory-installed load running on the

 

phone

 

 

Serial Number

Serial number of the phone

 

 

CTL

Displays the MD5 hash of the certificate trust list

 

(CTL) file that is installed in the phone. If no CTL

 

file is installed on the phone, this field displays No.

 

(If security is configured for the phone, the CTL file

 

installs automatically when the phone reboots or

 

resets. For more information about this file, refer to

 

Cisco Unified CallManager Security Guide.)

 

 

MIC

Indicates whether a manufacturing installed

 

certificate (used for the security features) is installed

 

on the phone (Yes) or is not installed on the phone

 

(No).

 

 

LSC

Indicates whether a locally significant certificate

 

(used for the security features) is installed on the

 

phone (Yes) or is not installed on the phone (No)

 

 

Call Control Protocol

Displays the call control protocol for the phone,

 

Skinny Client Control Protocol (SCCP).

 

 

Status Menu

The Status menu provides information about the phone and its operation that includes messages, statistics, and information about firmware versions on the phone and any expansion modules.

 

 

Cisco Unified IP Phone 7906G and 7911G Administration Guide for Cisco Unified CallManager

 

 

 

 

 

 

OL-10008-01

 

 

7-7

 

 

 

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Cisco Systems 7911G, 7906G manual Status Menu, Ctl, Mic, Lsc
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7906G, 7911G specifications

The Cisco Systems 7911G is a versatile IP phone designed to enhance communication in enterprise environments. Targeting workers in various organizational settings, this model is known for its reliability, ease of use, and robust features that cater to both basic and advanced telephony requirements.

One of the key features of the Cisco 7911G is its support for Voice over IP (VoIP) technology. Using this technology allows for the transmission of voice signals over the internet rather than through traditional telephone lines. This not only reduces telephony costs but also offers enhanced functionality that integrates seamlessly with existing communication systems.

The phone is equipped with a monochrome graphical display that provides users with clear visibility of their call status, directory information, and menu options. With a resolution of 128x64 pixels, the screen is large enough to offer important information without overwhelming the user. This simplicity makes it an ideal choice for users who require straightforward functionality without the complexity of advanced features.

Ergonomically designed, the Cisco 7911G features a comfortable keypad with dedicated buttons for frequently used functions such as mute, hold, and transfer. It supports multiple lines, providing users with the ability to manage multiple calls simultaneously. Additionally, it offers programmable line keys that can be customized for speed dial or as soft keys for quick access to features.

The device supports Power over Ethernet (PoE), which allows the phone to receive power through the network cable rather than needing a separate power source. This feature not only simplifies installation but also enhances mobility within the workspace, as it reduces cable clutter.

Another significant characteristic of the Cisco 7911G is its compatibility with Cisco Unified Communications Manager, which ensures centralized management of telephony systems. It also supports a range of audio codecs that help in delivering high-quality audio during calls, reducing latency and improving overall communication quality.

Security is also a focus with the Cisco 7911G, as it features a secure access feature that includes Transport Layer Security (TLS) and Secure Real-Time Transport Protocol (SRTP) for encrypted voice communications. This ensures that sensitive conversations are protected from eavesdropping.

Overall, the Cisco Systems 7911G is a reliable, feature-rich IP phone that provides an excellent solution for organizations looking to upgrade their communication systems. Its combination of user-friendly design, powerful integrations, and security features makes it a cornerstone in the suite of Cisco telecommunications solutions.
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