AT&T 3.0 Telephone User Manual


 
MLX Telephone Tests
Cancel the Call Forwarding feature (for the receiving telephone):
On multiline telephones, press the
On single-line telephones, pick up
hang up.
NOTE:
Feature button and dial *34*.
the handset, dial #*34*, and then
You can cancel Call Forwarding from the receiving telephone or from the
forwarding telephone, providing that you know the number.
MLX Telephone Tests
If the LEDs, ringer, buttons, switchhook, or display appear not to be working,
try the steps below.
1 Pickup the handset.
2 When you hear dial tone, press
*00
(the feature access code).
The telephone enters test mode. For some tests, this means the LEDs turn on;
for others, it means the phone starts ringing.
This test connects a test tone to the B-channel and sends a repeated
ring burst to the telephone.
On an MLX telephone with a DSS attached, all LEDs light and the
phone rings throughout the test.
On an MLX display telephone, the display blanks out and is replaced
with a grid of small dots.
3 Press each line/feature button (two LEDs each).
The red and green LEDs should toggle on and off.
4 Press each fixed-feature button that has an LED (Feature, HFAI, Mute,
and Speaker).
Each LED should toggle on and off.
NOTE:
Mute
and
Speaker
LEDs may not toggle consistently because they are
managed by the control unit and the telephone.
3-6 Telephone Problems