Cisco 7941G Administration Guide - Page 11
General Troubleshooting Tips for the Cisco Unified IP Phone Expansion Module - factory reset
UPC - 746320949420
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Page 11 highlights
Contents Verifying DNS Settings 9-5 Verifying Cisco Unified Communications Manager Settings 9-5 Cisco Unified Communications Manager and TFTP Services Are Not Running 9-6 Creating a New Configuration File 9-7 Registering the Phone with Cisco Unified Communications Manager 9-8 Symptom: Cisco Unified IP Phone Unable to Obtain IP Address 9-8 Cisco Unified IP Phone Resets Unexpectedly 9-8 Verifying the Physical Connection 9-9 Identifying Intermittent Network Outages 9-9 Verifying DHCP Settings 9-9 Checking Static IP Address Settings 9-10 Verifying the Voice VLAN Configuration 9-10 Verifying that the Phones Have Not Been Intentionally Reset 9-10 Eliminating DNS or Other Connectivity Errors 9-11 Checking Power Connection 9-12 Troubleshooting Cisco Unified IP Phone Security 9-12 General Troubleshooting Tips 9-14 General Troubleshooting Tips for the Cisco Unified IP Phone Expansion Module 7914 (SCCP Phones Only) 9-17 Resetting or Restoring the Cisco Unified IP Phone 9-18 Performing a Basic Reset 9-18 Performing a Factory Reset 9-19 Using the Quality Report Tool 9-21 Monitoring the Voice Quality of Calls 9-21 Using Voice Quality Metrics 9-22 Troubleshooting Tips 9-23 Where to Go for More Troubleshooting Information 9-24 Cleaning the Cisco Unified IP Phone 9-25 Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE for Cisco Unified Communications Manager 6.1 OL-14620-01 11