Polycom V500 System Administrator's Manual page 103

Audio
Symptom
No audio at your site
The people at the far site
cannot hear you.
Problem
The far site is muted.
The volume may be turned
all the way down.
The far site's microphones
are not placed correctly.
The far site's microphone is
not connected or does not
have power.
Too many line errors.
ISDN voice algorithm is
incorrect.
The monitor's audio inputs
are not connected properly.
The system's audio outputs
are not connected properly.
The people at your site are
too far from the
microphone.
Your system's microphone
is muted.
Your system's microphone
does not work.
Diagnostics and General Troubleshooting
Corrective action
Look for the far site Mute icon. Ask the far site to
unmute the microphone.
Note: The far site's microphone may be muted even
if you do not see a far site Mute icon.
Use the remote control to turn up the volume.
Check the monitor's volume setting.
Check the system's audio output using the Speaker
Test under Diagnostics > Audio. You should hear a
400 Hz tone.
Ensure that each person who speaks is facing a
microphone and is close enough to it.
Ask the far site to check the cable to the microphone.
Try the call again later.
Go to System > Admin > Network > ISDN.
Change the ISDN Voice Algorithm selection (aLaw
or uLaw).
Check audio output using the Speaker Test screen
under Diagnostics > Audio. You should hear a 400
Hz tone.
Ask someone at the far site to speak into the
microphone, and check the Far Site Audio meter on
the Audio Meter screen under Diagnostics > Audio
to determine whether your system is receiving audio.
Check the system's audio connections to the
monitor.
Verify that the system is connected to the correct
audio connectors on the monitor.
Move closer to the microphone.
Check your system for one or more of these mute
indications:
• Near site mute icon on the screen
• System indicator is red
To unmute the system, press the
on the remote control.
Contact your Polycom reseller.
Mute button
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