Chapter 6 Troubleshooting the Cisco IP Phone

Resolving Startup Problems

Procedure

Step 1 From the Cisco CallManager Administration window, choose Application > Cisco CallManager Serviceability.

Step 2 Choose Tools > Control Center.

Step 3 From the Servers column, choose the primary Cisco CallManager server.

The window displays the service names for the server that you chose, the status of the services, and a service control panel to stop or start a service.

Step 4 If a service has stopped, click the Start button.

The Service Status symbol changes from a square to an arrow.

Creating a New Configuration File

If you continue to have problems with a particular phone, despite all attempts at resolution, the configuration file might be corrupted. You can manually create a new configuration file by following this procedure:

Procedure

Step 1 From Cisco CallManager, select Device > Phone > Find to locate the phone experiencing problems.

Step 2 Choose Delete to remove the phone from the Cisco CallManager database.

Step 3 In Cisco CallManager, choose Service > Cisco TFTP > Advanced and make sure that False appears in the Enable Caching of Configuration Files in the Cisco TFTP Configuration page.

Step 4 Search the hard drive of the Cisco CallManager server for files named SEP*.cnf.xml. This file should be in a folder containing the configuration files for all the registered phones.

Step 5 Make a copy of a configuration file for a functional phone of the same type as the problematic phone. For example, if the phone experiencing problems is a Cisco IP Phone 7905G, make a copy of a configuration file for another phone of this model.

 

Cisco IP Phone Administration Guide for Cisco CallManager 3.3, Cisco IP Phones 7902G/7905G/7912G

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Cisco Systems 7912G, 7902G, 7905G manual Creating a New Configuration File, Choose Tools Control Center
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7902G, 7912G, 7905G specifications

Cisco Systems is a leading provider of networking and telecommunications equipment, and among its extensive range of products, the Cisco 7900 Series of IP phones has made a notable impact in enterprise communication. Key models in this series include the Cisco 7905G, 7912G, and 7902G, each designed to enhance productivity through advanced features, intuitive interfaces, and robust technology.

The Cisco 7905G is designed for basic telephony needs and is ideal for administrative environments or areas with high call volumes. It features a large single-line LCD display, providing users with clear visibility of call information. The phone supports Power over Ethernet (PoE), making installation easier and reducing clutter by eliminating the need for an additional power supply. Its hands-free and headset support enhances user convenience, allowing for easy multitasking during calls.

Moving on to the Cisco 7912G, this model is designed for more demanding communication requirements. It features a larger, backlit display, providing improved visibility in various lighting conditions. The Cisco 7912G supports up to 12 programmable line or feature keys, giving users the flexibility to tailor the phone to their specific needs. Additionally, it incorporates advanced audio technologies, such as wideband audio for enhanced voice clarity and a built-in speakerphone, allowing users to communicate effectively in busy environments.

The Cisco 7902G, while offering basic features, is a reliable choice for users who need straightforward, cost-effective telephony solutions. It features an intuitive design with three dedicated buttons for line status, a built-in speakerphone, and support for wideband audio. The phone is geared for users who require essential telephony features without the complexity of additional functionalities, making it suitable for front-desk and general office use.

Overall, these models within the Cisco 7900 series exemplify the company's commitment to providing high-quality enterprise communication tools. With a focus on advanced audio technologies, user-friendly interfaces, and adaptability to various business environments, the Cisco 7905G, 7912G, and 7902G cater to the diverse needs of modern organizations. As companies continue to pursue seamless communication, these IP phones remain a valuable asset in their telephony infrastructure, enhancing collaboration and productivity among teams everywhere.
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