CHAPTER 3. OPERATING THE CONSOLE

8.To abandon the call attempt, press (Release).

Call progress tones stop.

Atnd lamp and the display go dark.

Pos Avail lamp lights.

Procedure complete.

Calls to Outside Numbers

An outside call requires an outgoing trunk as well as dialing of the distant number. You can access a trunk in two ways:

1.Dial an access code for a Private Network, Automatic Alternate Routing (V2, V3, and Generic 1 systems), Automatic Route Selection, or a specific trunk group.

2.Press the Trunk Group Select button for the desired trunk.

To call an outside number:

1.Decide whether to access an outgoing trunk by dialing a code (Steps 2 and 3) or by using a Trunk Group Select button (Steps 4 and 5).

2.Press (Start).

Dial tone.

Atnd lamp at idle call appearance button lights.

Pos Avail lamp goes dark.

3.Dial the trunk access code, and listen for call progress tone.

Second dial tone—valid code; go to Step 6.

Reorder tone—no outgoing trunk available; go to Step 8 or 9.

Intercept tone —invalid code; go to Step 8 or 9.

4.Check the status of the Trunk Group Select lamps.

No lamps lighted—trunk available; go to Step 5.

Busy lamp lighted—all trunks in the group are busy; try again later.

Warn lamp lighted—some trunks are busy; select an alternate trunk group if possible, or go ahead and use this group per Step 5.

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AT&T 75 manual Calls to Outside Numbers, To call an outside number, Press Start