C H A P T E R 9

Troubleshooting and Maintenance

This chapter provides information that can assist you in troubleshooting problems with your

Cisco Unified Unified IP Phone 7970 Series or with your IP telephony network. It also explains how to clean and maintain your phone.

For additional troubleshooting information, refer to the Using the 79xx Status Information For Troubleshooting tech note. That document is available to registered Cisco.com users at this URL:

http://www.cisco.com/warp/customer/788/AVVID/telecaster_trouble.html

If you need additional assistance to resolve an issue, see the “Obtaining Documentation, Obtaining Support, and Security Guidelines” section on page xiii.

This chapter includes these topics:

Resolving Startup Problems, page 9-1

Cisco Unified IP Phone Resets Unexpectedly, page 9-6

Troubleshooting Cisco Unified IP Phone Security, page 9-8

General Troubleshooting Tips, page 9-10

General Troubleshooting Tips for the Cisco Unified IP Phone Expansion Module 7914, page 9-12

Resetting or Restoring the Cisco Unified IP Phone, page 9-13

Using the Quality Report Tool, page 9-14

Monitoring the Voice Quality of Calls, page 9-15

Where to Go for More Troubleshooting Information, page 9-17

Cleaning the Cisco Unified IP Phone, page 9-17

Resolving Startup Problems

After installing a Cisco Unified IP Phone into your network and adding it to

Cisco Unified Communications Manager, the phone should start up as described in the “Verifying the Phone Startup Process” section on page 3-10. If the phone does not start up properly, see the following sections for troubleshooting information:

Symptom: The Cisco Unified IP Phone Does Not Go Through its Normal Startup Process, page 9-2

Symptom: The Cisco Unified IP Phone Does Not Register with Cisco Unified Communications Manager, page 9-2

Symptom: Cisco Unified IP Phone Unable to Obtain IP Address, page 9-6

Cisco Unified IP Phone 7970G/7971G-GE Administration Guide for Cisco Unified Communications Manager 7.0

 

OL-15299-01

9-1

 

 

 

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Cisco Systems 7971G-GE, 7970G manual Troubleshooting and Maintenance, Resolving Startup Problems

7970G, 7971G-GE specifications

The Cisco Systems 7971G-GE is a sophisticated IP phone designed for enterprise communication, offering a range of features that enhance productivity and collaboration. As part of the Cisco Unified Communications portfolio, this phone is known for its impressive technology and reliable performance.

One of the main features of the 7971G-GE is its high-resolution color display. The 5-inch LCD screen provides users with a visually appealing and intuitive interface, allowing for easy navigation through menus and contacts. The phone supports up to six lines, making it ideal for users who require multiple lines for simultaneous calls. Users can effortlessly manage calls with the ability to switch between lines and access important call features like hold, transfer, and conference calling.

In terms of audio quality, the Cisco 7971G-GE is equipped with high-definition voice technology. This feature ensures crystal-clear sound during calls, reducing background noise and enhancing the clarity of conversations. The phone also supports wideband audio codecs, enabling a richer voice experience that is particularly valuable in business environments.

The phone is designed with user convenience in mind. It offers programmable buttons that can be customized to suit individual needs, allowing easy access to frequently used functions or contact lists. Additionally, the presence indicator feature lets users see the availability of their colleagues in real-time, promoting more effective communication and collaboration.

Networking capabilities are another strong point of the Cisco 7971G-GE. The phone supports both Power over Ethernet (PoE) and standard Ethernet connectivity. This enables easy deployment without the need for additional power outlets. Moreover, the device is compatible with various Cisco communication platforms, integrating seamlessly with existing Cisco infrastructure, which is essential for businesses looking to upgrade their communications systems.

Security is a crucial consideration for modern enterprises, and Cisco addresses this with robust encryption features that protect voice and video calls. The phone supports secure signaling and media encryption, ensuring that sensitive conversations remain confidential.

Overall, the Cisco Systems 7971G-GE is a feature-rich IP phone that combines advanced technology with user-friendly design. Its high-definition audio, customizable features, and seamless integration with Cisco networks make it a popular choice for businesses seeking to improve their communication systems. With its reliability and performance, the Cisco 7971G-GE continues to support effective collaboration in an increasingly connected world.