AT&T Release 2.0 Manuel D’Utilisation

Initializing and Testing the System

Follow these steps to test the GS and LS outgoing and incoming trunks at a
telephone:

1.

2.

3 .

4 .

5 .

6 .

Dial 

✱ 

followed by the trunk ID number

-

(01 — 80).

You should hear a dial tone for a working trunk, a reorder tone for a DID
trunk or an invalid trunk number, or a busy tone if the trunk is in use.

Dialing 

✱ 

on a single-line telephone works only if telephone has

a touch-tone dialpad and the trunk accepts touch-tone dialing.

Repeat for all outgoing trunks.

Dial an incoming trunk on the system.

Have someone answer the call at another telephone; verify that you
have good two-way communication.

Repeat Steps 3 and 4 for all incoming trunks.

Hang up to exit the test mode.

Testing the System