AT&T ISDN 7505 Telephone User Manual


 
Self-Test
To test the lights and 1
ringer of your voice
terminal
2
3
4
5
Press
Select(while on-hook)
Green light comes on
Press
Drop
Self-test begins
If the test passes, the following will occur;
proceed to Step 3
— You will hear periodic tones if the test is
proceeding correctly
— The green Message light comes on
Once you have heard a tone, you can press each
button that has a light(s). The green light comes on
indicating the button works correctly
Lift the handset; the green light will flutter. Press
each button on the dial pad
[tones in handset]
After the last button press, press the
Select
button, then press the Dropbutton to exit and
return to the calling mode