Aiphone AI-MS900 Operation, Calling a Substation, Calling a Master Station Telephone

8. OPERATION

8.1. Calling a Substation

Step 1. Dial the desired substation number. (Dialing can be performed with the handset on-hook or off- hook.)

Step 2. Following a brief call tone, the master station is automatically connected to the substation. The master station's voice is heard at the substation while the master station operator is talking, and the substation's voice is only heard at the master station when the master station operator stops talking.

Step 3. To terminate the conversation, replace the handset or press the [C] key.

8.2. Calling a Master Station (Telephone)

Step 1. Dial the desired station number. (Dialing can be performed with the handset on-hook or off-hook.)

Step 2. A trill call tone is heard at the calling station handset. (This tone will be heard from the station's internal speaker if dialed with the handset on-hook.)

1 2

Brief call tone

or

C

9 2

Call tone

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