Cisco CP-7940G-CH1 Administration Guide - Page 6
Monitoring the Cisco Unified IP Phone Remotely, Troubleshooting and Maintenance
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Contents 7 C H A P T E R 8 C H A P T E R Monitoring the Cisco Unified IP Phone Remotely 7-1 Accessing the Web Page for a Phone 7-2 Disabling and Enabling Web Page Access 7-3 Device Information 7-3 Network Configuration 7-4 Network Statistics 7-7 Ethernet Statistics 7-7 Port 1 (Network), Port 2 (Access), and Port 3 (Phone) Statistics 7-8 Device Logs 7-10 Stack Statistics 7-11 Status Messages 7-11 Streaming Statistics 7-11 Troubleshooting and Maintenance 8-1 Resolving Startup Problems 8-1 Symptom: The Cisco Unified IP Phone Does Not Go Through its Normal Startup Process 8-2 Symptom: The Cisco Unified IP Phone Does Not Register with Cisco Unified Communications Manager 8-2 Identifying Error Messages 8-3 Registering the Phone with Cisco Unified Communications Manager 8-3 Checking Network Connectivity 8-3 Verifying TFTP Server Settings 8-3 Verifying IP Addressing and Routing 8-4 Verifying DNS Settings 8-4 Verifying Cisco Unified Communications Manager Settings 8-4 Cisco Unified Communications Manager and TFTP Services Are Not Running 8-4 Creating a New Configuration File 8-5 Symptom: Cisco Unified IP Phone Unable to Obtain IP Address 8-6 Cisco Unified IP Phone Resets Unexpectedly 8-6 Verifying Physical Connection 8-6 Identifying Intermittent Network Outages 8-7 Verifying DHCP Settings 8-7 Checking Static IP Address Settings 8-7 Verifying Voice VLAN Configuration 8-7 Verifying that the Phones Have Not Been Intentionally Reset 8-8 Eliminating DNS or Other Connectivity Errors 8-8 Troubleshooting Cisco Unified IP Phone Security 8-9 General Troubleshooting Tips 8-10 Cisco Unified IP Phone 7960G/7940G Administration Guide for Cisco Unified Communications Manager 7.0 (SCCP) viii OL-15498-01