Call, Device, and Network information
123
Troubleshooting
123
Startup problems
123
Cisco Unified IP Phone does not go through normal startup process
124
Cisco Unified IP Phone does not register with Cisco Unified Communications
Manager
124
TFTP server settings
125
IP addressing and routing
125
DNS settings
125
Cisco Unified Communications Manager and TFTP servers are not running
125
Configuration file corruption
125
Cisco Unified Communications Manager phone registration
126
Cisco Unified IP Conference Phone 8831 cannot obtain IP address
126
Cisco Unified IP Conference Phone 8831 resets unexpectedly
126
Physical connection problems
127
Intermittent network outages
127
DHCP setting errors
127
Static IP address setting errors
127
Voice VLAN setup errors
128
DNS or other connectivity errors
128
Power connection problems
128
Audio and display problems
128
Display is wavy
128
Audio problems
129
Choppy speech or sound
129
Choppy speech or sound when using wireless microphones
129
Echo on the far end
129
Audio level
130
Audio quality
130
No audio between units
130
No audio from external wireless microphones
131
Conference call reception problems
131
General troubleshooting information
131
Troubleshooting procedures
133
Check TFTP settings
134
Cisco Unified IP Conference Phone 8831 Administration Guide for Cisco Unified Communications Manager
9.0
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Contents