Avaya 3920 User Manual page 55

User's Guide
Echo during
conversation
No dial tone.
Handset does
not ring.
An underscore
replaces a
character in the
handset display.
Depending on the environment from which
you are calling, such as a noisy area, a caller
may experience echo if the volume control of
the handset is set too high. Try lowering the
volume on your handset. If that does not help,
contact your authorized dealer.
If you are using the speakerphone, turn off the
speakerphone and try using the handset's
built-in microphone and ear piece.
Move back within the system range limit (for
example, move closer to the base unit or a
repeater.) Consider installing a repeater if you
experience this condition frequently.
Confirm that the telephone has been
administered properly. See the Avaya 3920
Wireless Telephone Planning and Installation
Guide for more information.
The battery could be weak. Charge the battery
for 16 to 20 hours.
Check the Ringer Switch; it could be turned
off.
Make sure the ringer is not set to vibrate.
Move back within the system range limit (for
example, move closer to the base unit or a
repeater.) Consider installing a repeater if you
experience this condition frequently.
The telephone does not recognize special
characters (for example, punctuation marks)
that are provided from the PARTNER ACS.
A Troubleshooting
55