Lucent Technologies TransTalk 9000 Installation And Use Manual page 99

Voice Quality Problems (continued)
Symptom
Voice quality in a
specific location is
poor and noisy.
Voice quality for calls is The handset antenna is
lower than expected.
Volume is too low at
any setting and there
is noise on the line.
Your business has two
or more wireless
phones installed and
all handsets seem to
have developed
interference problems
at the same time.
Possible Causes
Handset is too close to
the carrier(s).
only partially extended.
There are environmental
limitations.
You are using different
models of handsets and
the mix is incompatible
with the carrier.
Handset or radio
module is not
working properly.
The connection
between the radio
module and the
communications
system switch/control
unit is incorrect.
Telephone line may
be producing noise.
There was a recent
occurrence of
lightning, or a power
failure.
Possible Solutions
Move the handset at least 6 feet
(1.8 m) away for a one- or two-
carrier setup, or 10 feet (3.1 m)
away for a three-carrier setup.
Fully extend the handset antenna.
Reinstall the radio module or
carrier away from electrical
equipment and as high as
possible on the wall (but with
radio module antennas 6–12
inches (15.2–30.5 cm) from the
ceiling). See "General Position-
ing Rules" in Chapter 2 for more
information.
See "TransTalk 9000 System" in
Chapter 1.
Place the handset in Wireless
Test Mode and determine signal
strength and voice quality as
described in Chapter 3. Use the
Close-Up Test described in
"Performance/Range Test in
Wireless Test Mode" in Chapter 3.
Check the connection between
the radio module and the commu-
nications system switch/control
unit, as described in Chapter 2.
Report line trouble to your local
phone company.
1. Unplug the carrier(s) power
cord(s) from the electrical
outlet.
2. Wait 15 seconds, then repower
the carrier(s) in order, from left
to right.
Troubleshooting
5-9