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Chapter 7 - Diagnostics and General Troubleshooting
© Polycom, Inc. 7 - 11
Moderate Issues
The problems in this section interfere with or prevent meaningful communication
in a call.
Cannot dial remote system
in bonding 128 K calls. (The
call progress circles only
show blue or yellow.)
Switch protocol issue. Start by calling the far site at 1x56, 1x64,
2x56, or 2x64K, as appropriate. This will
verify the primary number. If these calls
complete, try the 128 K call.
Being able to dial non-bonded but unable
to dial bonded to all locations is usually a
switch protocol issue. Verify your ISDN
provisioning with the telephone service
provider.
Cannot select 112 or 128
speeds for bonding calls
from the speed selection.
Speeds do not show when selecting
the speed icon.
Add line speeds on the Admin Settings >
Network > Call Quality > Dialing
Speeds screen.
Symptom Cause Solution
The monitor screen remains
blank when you pick up the
remote control.
The monitor’s power cord is not
plugged in.
Connect the monitor’s power cord and
then power on the monitor.
The monitor is powered off. Power on the monitor.
The monitor is not connected
correctly to the system.
Verify that the monitor is connected
correctly according to the installation
procedures in Connecting the Monitor on
page 2-3.
The people at the far site
cannot see you.
The privacy shutter is closed Open the privacy shutter.
Symptom Cause Solution