Chapter 6 Viewing Model Information, Status, Statistics, and Security Information on the Cisco Unified IP Phone

Security Configuration Menu

Security Configuration Menu

The Security Configuration menu displays information about security on the phone and provides access to the CTL File menu and to the Trust List menu. The Security Configuration menu contains these options:

•Web Access—Indicates whether web access is enabled or disabled for the phone. You configure web access with Cisco Unified Communications Manager Administration.

•Security Mode—Displays the security mode that is set for the phone. You configure the security mode in Cisco Unified Communications Manager Administration.

•MIC—Indicates whether a manufacturing installed certificate is installed on the phone.

•LSC—Indicates whether a locally significant certificate is installed on the phone.

Also lets you enter an authorization string for an LSC. For more information, see the “Configuring Security on the Cisco Unified IP Phone” section on page 3-10.

•CTL File—If a CTL file is installed on the phone, provides access to the CTL File menu. A locked padlock icon in this option indicates that the CTL file is locked. An unlocked padlock icon indicates that the CTL file is unlocked. If a CTL file is not installed on the phone, this option displays Not Installed. For more information, see the “CTL File Menu” section on page 6-12.

•Trust List—If a CTL file is installed on the phone, provides access to the Trust List menu. For more information, see the “Trust List Menu” section on page 6-14.

•CAPF—Displays the IP address and the port of the CAPF server that the phone uses.

To display the Security Configuration menu, press the Settings button and then select Security

Configuration.

To exit the Security Configuration menu, press the Exit softkey.

CTL File Menu

If a CTL file is installed on the phone, you can access the CTL File menu by pressing the Settings button and choosing Security Configuration > CTL File.

To exit the CTL File menu, press the Exit softkey.

The CTL File menu contains these options:

•CTL File—Displays the MD5 hash of the certificate trust list (CTL) file that is installed in the phone. (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 Communications Manager Security Guide.) Also lets you unlock the CTL file and remove it from the phone.

A locked padlock icon in this option indicates that the CTL file is locked. An unlocked padlock icon indicates that the CTL file is unlocked.

•Call Manager/ TFPT—IP address of a Cisco Unified Communications Manager and TFTP server used by the phone. Also displays a certificate icon if a certificate is installed for this server (see Figure 6-1).

•CAPF—IP address of the CAPF server used by the phone. Also displays a certificate icon if a certificate is installed for this server.

 

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Cisco Systems 7960G, 7940G manual Security Configuration Menu, CTL File Menu
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7960G, 7940G specifications

Cisco Systems has long been a leader in creating innovative networking and communication solutions. Among their range of Voice over IP (VoIP) phones, the Cisco 7960G and 7940G stand out as robust, versatile devices that cater to the needs of modern businesses. Released in the early 2000s, these models respectively combine functionality, ease of use, and key features tailored for effective communication.

The Cisco 7960G is a high-end model designed for users who demand advanced features and functionalities. It comes with a large backlit LCD display that not only enhances visibility but also provides easy navigation through various options. The phone supports up to six lines, allowing users to manage multiple calls effortlessly. Its user-friendly interface includes programmable feature buttons and a 10/100 Ethernet switch, enabling seamless integration into existing networks.

On the other hand, the Cisco 7940G is a more basic model designed for users who require essential features for their business communications. It includes a monochrome LCD screen and supports a maximum of two lines. Despite its simplicity, the 7940G is equipped with several key features such as integrated speakerphone and mute options, making it ideal for day-to-day communication needs. Both models support Power over Ethernet (PoE), eliminating the need for separate power adapters and ensuring a cleaner, more organized workspace.

In terms of technologies, both the 7960G and 7940G leverage the Session Initiation Protocol (SIP) for signaling and media exchange. They also support secure communication through protocols like Secure Real-time Transport Protocol (SRTP) and Transport Layer Security (TLS). This ensures that businesses can engage in confidential conversations without the risk of interception.

The characteristics that make these models appealing include durability, ease of configuration, and reliability. Organizations can benefit from Cisco’s reliable support and regular updates, ensuring that their communication infrastructure remains robust and secure. With features designed for scalability, both phones can easily integrate into larger systems while maintaining high call quality.

In summary, Cisco’s 7960G and 7940G VoIP phones are exemplary devices that cater to a variety of business communication scenarios. With their blend of functionality, support for essential technologies, and reliable performance, they continue to serve organizations effectively in an increasingly interconnected world. Whether used in a bustling office or as part of a dynamic telecommunications strategy, these models offer excellent value and performance.
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