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Voice Quality Problems
Symptom
Possible Causes
Possible Solutions
Handset range
A competing radio
Place the handset in Wireless Test Mode
and voice quality
device has been
as described in Chapter 2. If the signal
are not as good
installed in the area.
strength and voice quality readings are
as they were
low, look for a newly installed radio
before.
device nearby. Remove it or move your
handset’s matching radio module.
Carriers are out of
1. Verify that all expansion cables are
synchronization.
installed in the correct IN and OUT
jacks.
2. Ensure that all expansion cables are
fully inserted into their jacks.
3. Power down, then repower the control
carrier.
4. Power down, then repower the expan-
sion carrier(s).
Voice quality in a
Handset is too close
Move the handset at least 6 feet (1.8 m)
specific location
to the carrier(s).
away for a one- or two-carrier setup, or
is poor and noisy.
10 feet (3.1 m) away for a three-carrier
setup.
Volume is too low
Handset or radio
Place the handset in Wireless Test Mode
at any setting and
module is not working
and determine sound clarity as de-
there is noise on
properly.
scribed in Chapter 2. If the dial tone is
the line.
clear and strong, the handset and radio
module are OK.
The connection
Check the connection between the radio
between the radio
module or carrier and the switch/control
module or carrier and
unit.
the switch/control unit
is not proper.
Telephone line may be
Report line trouble to your local phone
producing noise.
company.
Your business
There was a recent
Unplug the carrier’s AC adapter from the
has two or more
occurrence of light-
electrical outlet. Wait 10 seconds, then
wireless phones
ning, or a power
plug the AC adapter back into the outlet.
installed and all
failure.
handsets seem to
have developed
interference
problems at the
same time.
5-6
Troubleshooting