Cisco 7970G - IP Phone VoIP Probleemoplossing en onderhoud - Pagina 25

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Cisco 7970G - IP Phone VoIP Probleemoplossing en onderhoud

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Table of Contents

Cisco Unified Ip Phone Cannot Obtain Ip Address5

Cisco Unified Ip Phone Displays Security Error Message5

Cisco Unified Ip Phone Resets Unexpectedly5

Cisco Unified Ip Phone Security Problems8

Ctl File Problems8

Audio And Video Problems11

Phone Display Is Wavy11

No Speech Path11

General Telephone Call Problems12

Troubleshooting Procedures12

Check Tftp Settings13

Check Dhcp Settings13

Verify Dns Settings14

Create New Phone Configuration File14

Start Service15

Determine Dns Or Connectivity Issues15

General Troubleshooting Information16

General Troubleshooting Tips For Cisco Unified Ip Phone Expansion Module19

Cisco Unified Ip Phone Reset Or Restore20

Factory Reset20

Additional Troubleshooting Information21

Quality Report Tool22

Voice Quality Monitoring22

Voice Quality Metric Interpretation23

Voice Quality Troubleshooting Tips23

Cisco Unified Ip Phone Cleaning24

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