48
MANUAL INTERCOM
To Initiate
Press MICM, lift handset or press key, ring-
back tone is heard.
Press the SIG key if it is desired for the called sta-
tion to hear ringing.
To Answer
MICM key flashes, indicating an incoming call. Ring
tone may also be heard.
Press MICM.
Lift handset or press key, LED lights solid
green.
If called station is engaged in a non-intercom call,
the station may press MICM after placing original
caller on hold (with key).
To Bridge Into A Manual Intercom Call
Press MICM, lift handset or press key.
A three-party conference is established.
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CONF
DT330/310
Speaker
Called party
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ICM 2
Calling party
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ICM 1
Note:
Bridging is an optional feature.
Note:
The SIG key signals the corresponding station
when speaking over the intercom path is unnec-
essary.
Note:
Two-button Manual Intercom provides one button
for signalling and one for talking. A separate sig-
naling button can be used in many ways for the
secretary to alert a boss, or vice versa.
Speaker
HOLD
Speaker
Overriding party
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OVERRIDE 1
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CONF