Cisco 7925G Administration Manual page 11

Contents
C H A P T E R 1 0
Stream Statistics Menu
Troubleshooting
209
Startup and Connectivity Problems
Incomplete Startup Process
No Association to Cisco Aironet Access Points
Access Point Settings Mismatch
Authentication Failed, No AP Found
EAP Authentication Failed Message
AP Error - Cannot Support All Requested Capabilities
Phone Does Not Register with Cisco Unified Communications Manager
Cisco Unified Communications Manager Phone Registration Rejected
Phone Cannot Connect to TFTP Server or to Cisco Unified Communications Manager
TFTP Server Settings
IP Addressing and Routing
DNS Settings 214
Cisco Unified Communications Manager and TFTP Service Status
Configuration File Corruption
Cisco Unified Wireless IP Phone Resets Unexpectedly
Phone Resets Due to Access Point Setup
Intermittent Network Outages
DHCP Settings Errors
Voice VLAN Setup Errors
Phones Have Not Been Intentionally Reset
DNS or Other Connectivity Errors
Audio Problems 217
One-Way Audio or No Speech Path
Ring Volume is Too Low
Phone Does Not Ring
Roaming and Voice Quality or Lost Connection Problems
Voice Quality Deteriorates While Roaming
Voice Conversation Delays While Roaming
Phone Loses Cisco Unified Communications Manager Connection While Roaming
Phone Does not Roam Back to Preferred Band
Voice Quality Monitoring
Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Administration Guide
206
209
209
210
211
211
212
213
214
215
215
216
216
216
217
217
217
218
219
219
220
220
221
212
212
212
215
215
219
213
220
xi