Chapter 4 Troubleshooting the Cisco IP Conference Station 7935
Other Troubleshooting
4-4
Cisco IP Conference Station 7935 Administration Guide
78-12727-03
IP Conference Station does not ring
Check that the ringer setting is not “Ringer Off.”
Check the volume level.
IP Conference Station resetting
•
The IP Conference Station resets when it
loses contact with the Cisco CallManager
software.
The following status message appears in the
LCD screen if the IP Conference Station loses
contact with the Cisco CallManager software:
Registering
•
The IP Conference Station resets when it
loses contact with the network.
The following status message appears in the
LCD screen if the IP Conference Station loses
contact with the network
Configuring IP
These lost connections can be due to any
network connectivity disruption, including
cable breaks, switch outages, and switch
reboots.
No LCD screen display
Check to make sure that the
IP Conference Station has power.
Make sure that the power supply unit is plugged
in.
LCD screen display issues
You might see beat frequencies (scan lines) in the
LCD screen if you are using certain types of older
fluorescent lights in your building. Moving the
IP Conference Station away from the lights, or
replacing the lights, should resolve the problem.
DTMF delay
When you are on a call that requires keypad input,
if you press the keys too quickly, some of them
might not be recognized.
Problem Description
Resolution
