Cisco 7975G - Unified IP Phone VoIP Fehlersuche und Wartung

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Cisco 7975G - Unified IP Phone VoIP Fehlersuche und Wartung
Troubleshooting and Maintenance
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Troubleshooting and Maintenance Overview
This chapter provides information that can assist you in troubleshooting problems with your Cisco Unified
IP Phone or with your IP telephony network. It also explains how to clean and maintain your phone.
For additional troubleshooting information, see the Using the 79xx Status Information For Troubleshooting
tech note. This document is available to registered Cisco.com users at this URL:
http://www.cisco.com/en/US/products/hw/phones/ps379/products_tech_note09186a00800945bd.shtml
Troubleshooting
This section includes the following topics:
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
properly, see the following sections for troubleshooting information:
Cisco Unified IP Phone Does Not Go Through Normal Startup Process
Problem
When you connect a Cisco Unified IP Phone into the network port, the phone should go through the normal
startup process, and the LCD screen should display information.
Cause
If the phone does not go through the startup process, the cause may be faulty cables, bad connections, network
outages, or lack of power. Or, the phone may not be functional.
Troubleshooting and Maintenance Overview, on page 1
Troubleshooting, on page 1
Maintenance, on page 22
Phone Startup
Process. If the phone does not start up
Troubleshooting and Maintenance
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