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Cisco Unified IP Phone 6901 and 6911 Administration Guide for Cisco Unified Communications Manager 8.5 (SCCP and SIP)
OL-23874-01
Identifying Intermittent Network Outages 7-6
Verifying DHCP Settings 7-6
Checking Static IP Address Settings 7-7
Verifying the Voice VLAN Configuration 7-7
Verifying that the Phones Have Not Been Intentionally Reset 7-7
Eliminating DNS or Other Connectivity Errors 7-7
Checking Power Connection 7-8
General Troubleshooting Tips 7-8
Resetting or Restoring the Cisco Unified IP Phone 7-10
Performing a Basic Reset 7-10
Performing a Factory Reset 7-10
Monitoring the Voice Quality of Calls 7-11
Using Voice Quality Metrics 7-11
Troubleshooting Tips 7-12
Where to Go for More Troubleshooting Information 7-13
Cleaning the Cisco Unified IP Phone 7-13
APPENDIX
A Providing Information to Users Via a Website A-1
How Users Obtain Support for the Cisco Unified IP Phone A-1
Giving Users Access to the User Options Web Pages A-1
How Users Configure Phone Features A-2
How Users Access a Voice Messaging System A-2
APPENDIX
B Supporting International Users B-1
Installing the Cisco Unified Communications Manager Locale Installer B-1
APPENDIX
C Technical Specifications C-1
Physical and Operating Environment Specifications C-1
Cable Specifications C-2
Network and Access Port Pinouts C-3
APPENDIX
D Basic Phone Administration Steps D-1
Example User Information for These Procedures D-1
Adding a User to Cisco Unified Communications Manager D-2
Adding a User From an External LDAP Directory D-2
Adding a User Directly to Cisco Unified Communications Manager D-2
Configuring the Phone D-3