Nitsuko Digital System DS Administrator's Manual page 57

Using the Feature
To place a call using ARS:
Understanding Related Programming
You can only program Automatic Route Selection from the programming terminal.
Refer to the DIGITAL SYSTEM Feature and Terminal Programming Manual.
Part I: DIGITAL SYSTEM Features
Automatic Route Selection
Lift handset. If you have an ARS loop key, press it and
1.
skip to step 4.
Press ICM (except at an ESL set). You hear Intercom
2.
dial tone.
Dial ARS access code (9 or 90). You hear another
3.
(higher pitched) dial tone.
Dial number.
4.
41