9-15
9-13
9-12
9-12
9-15

Contents

 

 

Call Statistics Screen

7-8

 

 

 

 

 

 

 

 

Security Configuration

7-10

 

 

 

 

 

 

 

 

Monitoring the Cisco Unified IP Phone Remotely

 

 

C H A P T E R

8

8-1

 

 

 

Accessing the Web Page for a Phone

8-2

 

 

 

 

 

 

Disabling and Enabling Web Page Access

8-3

 

 

 

 

Device Information

8-3

 

 

 

 

 

 

 

 

 

Network Setup

8-4

 

 

 

 

 

 

 

 

 

 

Network Statistics

8-7

 

 

 

 

 

 

 

 

 

Device Logs

8-9

 

 

 

 

 

 

 

 

 

 

Streaming Statistics

8-9

 

 

 

 

 

 

 

 

 

Troubleshooting and Maintenance

 

 

 

 

 

 

C H A P T E R

9

9-1

 

 

 

 

 

 

 

Resolving Startup Problems

9-1

 

 

 

 

 

 

 

 

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

 

 

Symptom: The Cisco Unified IP Phone Does Not Register with Cisco Unified Communications

 

 

Manager

9-2

 

 

 

 

 

 

 

 

 

 

Symptom: Cisco Unified IP Phone Unable to Obtain IP Address

9-5

 

 

Cisco Unified IP Phone Resets Unexpectedly

9-6

 

 

 

 

Verifying the Physical Connection

9-6

 

 

 

 

 

Identifying Intermittent Network Outages

9-6

 

 

 

 

Verifying DHCP Settings

9-6

 

 

 

 

 

 

 

 

Checking Static IP Address Settings

9-7

 

 

 

 

 

Verifying the Voice VLAN Configuration

9-7

 

 

 

 

Verifying that the Phones Have Not Been Intentionally Reset

9-7

 

 

Eliminating DNS or Other Connectivity Errors

9-7

 

 

 

Checking Power Connection

9-8

 

 

 

 

 

Troubleshooting Cisco Unified IP Phone Security 9-8

General Troubleshooting Tips 9-9

Resetting or Restoring the Cisco Unified IP Phone

Performing a Basic Reset

Performing a Factory Reset 9-12

Monitoring the Voice Quality of Calls

Troubleshooting Tips 9-14

Where to Go for More Troubleshooting Information

Cleaning the Cisco Unified IP Phone

Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.5 (SCCP and SIP)

 

vi

OL-23769-01

 

 

 

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Cisco Systems 6921 manual Manager