Polycom Audio and Video - Manual (Page 107)

Chapter 7 - Diagnostics and General Troubleshooting
© Polycom, Inc. 7 - 15
Audio
Symptom Problem Corrective action
No audio at your site The far site is muted. 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.
The volume may be turned
all the way down. Use the remote control to turn up the volume.
Then check the system’s audio output using the Speaker
Test screen under Diagnostics > Audio. You should hear
a 400 Hz tone.
The far site’s microphones
are not placed correctly. Ensure that each person who speaks is facing a
microphone and is close enough to it.
The far site’s microphone
is not connected or does
not have power. Ask the far site to check the cable to the microphone.
Too many line errors. Try the call again later.
ISDN voice algorithm is
incorrect. Go to System > Admin > Network > ISDN.
Change the ISDN Voice Algorithm selection (aLaw or
uLaw).
The volume is turned all
the way down on the TV
monitor. Turn up the volume on the TV monitor. After that, you can
use the remote control to adjust the volume.
The monitor’s audio inputs
are not connected properly 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.
The system’s audio
outputs are not connected
properly. Check the system’s audio connections to the TV monitor.
Verify that the system is connected to the correct audio
connectors on the monitor.