Avaya 9601 Installing And Maintaining page 64

Troubleshooting
The deskphone works properly
except for the Speaker.
The deskphone works properly,
except incoming DTMF tones are
not received.
When a line is selected, a short
dial tone burst sounds followed by
a reorder/fast busy tone.
August 2016 Installing and Maintaining Avaya 9601/9608/9608G/9611G/9621G/9641G/9641GS IP
The user is on Speaker and hears
no echo, but the far-end hears
echo.
the user experiences sudden
silences such as gaps in speech,
or static, clipped or garbled
speech, etc.
The user hears fluctuations in the
volume level which are worse
when the Speaker is on, or at the
beginning of a call, or when a call
goes from no one talking abruptly
to a loud voice.
Cause: The Speaker was disabled in the settings file.
Resolution: Check the settings file and re-enable the Speaker if
appropriate.
Cause: The TN2302AP board does not pass in-band DTMF tones.
Resolution: None; the board is operating as designed.
Cause: The extension is provisioned on Session Manager and some
Communication Manager forms, but not on the off-pbx-telephone
station-mapping form. Communication Manager is unable to map back
to Session Manager, and rejects the line reservation.
Resolution: Map the extension on the off-pbx-telephone station-
mapping form.
Cause: Possible error in SIG group configuration on Communication
Manager, which indicates the default region for the SIP trunk to
Communication Manager.
Deskphones SIP
Comments on this document? infodev@avaya.com
Cause: Room acoustics.
Resolution: Ensure that there are
six inches or so of blank space to
the right of the deskphone. If that
is insufficient, use the handset.
Cause: Jitter, delay, dropped
packets, etc.
Resolution: You can have the user
provide diagnostic data by
invoking the Network Information
feature under the A (Avaya) button
on the deskphone. One or more
Quality of Service (QoS) features
should be implemented in the
network.
Cause: Improper non-Category 5
wiring.
Resolution: Replace non-Category
5 wiring with Category 5 wiring.
Cause: The user has changed the
Automatic Gain Control (AGC) or
environmental acoustics are not
consistent with the current audio
settings.
Resolution: Try different on/off
settings for the AGCHAND,
AGCHEAD, and AGCSPKR
parameters.
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