Aiphone MASTER STATION AI-MS900 - Manual (Page 8)

8
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