Self-Test | AT&T 8503T specs

To test the lights, ringer, and dial pad keys on your voice terminal

Note: Although the Drop/Test button is labeled

[ Drop ] , it is also used to initiate a self-test of your voice terminal.

1While the handset is on-hook, press [ Program ]

●Red light next to [ Program ] goes on steadily

2Press [ Drop ]

●You hear a tone

●Red Message light goes on steadily

3After you hear the tone repeated, press any button on the voice terminal

●The voice terminal emits a key click

●As you press [ Mute ] , [ Program ] , [ Conf ] , and [ Transfer ] , the lights next to these buttons go on steadily

●As you press [ Redial ] , [ Memory ] , [ Drop ] , and [ Hold ] , the lights next to [ Mute ] , [ Program ] , [ Conf ] , and [ Transfer ] flash

4Pick up handset and press each dial pad key

●When you pick up the handset, the Message light flashes

●Handset emits tone as each key is pressed

5Hang up handset

6Press [ Program ] and then [ Drop ] to end test and return to normal call-handling mode

●All lights on voice terminal flash once

Note: If you do not press [ Program ] and [ Drop ] to end the self-test, the voice terminal automatically exits testing mode after 30 seconds.