Check TFTP settings 284
Determine DNS or connectivity issues 284
Check DHCP settings 285
Create new phone configuration file 286
Identify 802.1X authentication problems 286
Verify DNS settings 287
Start service 287
Enable phone debugging 288
General Troubleshooting Information 289
Additional troubleshooting information 290
Maintenance 290
Basic Reset 290
Perform Factory Reset 291
Perform factory reset from phone keypad 291
Perform Network Configuration Reset 292
Perform user and network configuration reset 292
Remove CTL File 292
Quality Report Tool 293
Voice Quality Monitoring 293
Voice Quality Troubleshooting Tips 293
Cisco Unified IP Phone Cleaning 294
APPENDIX A
Internal Support Website 295
Cisco Unified IP Phone User Support 295
User Options Web Pages Access 295
Phone Features User Subscription and Setup 296
User Voice Messaging System Access 296
User Personal Directory Entries Setup 296
Obtain Cisco Unified IP Phone Address Book Synchronizer 297
Cisco Unified IP Phone Address Book Synchronizer Deployment 297
Install Synchronizer 297
Set Up Synchronizer 298
APPENDIX B
International User Support 301
Cisco Unified Communications Manager Locale Installer Installation 301
Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 10.0
(SIP)
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