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General Description
This feature permits multiple 8, 16 or 24-button D
in a preassigned group, regardless of their idle/busy status. An INTERCOM member can optionally
override another INTERCOM station in a two-party INTERCOM connection. This service is referred to as
INTERCOM BRIDGE. INTERCOM service is separated into two types: AUTOMATIC INTERCOM (AICM)
and MANUAL INTERCOM (MICM).
Automatic Intercom
All stations in the INTERCOM group are alerted simultaneously with a lamp indication. Ringing is directed
to one predefined station, as in a button and buzzer INTERCOM arrangement.
Manual Intercom
All stations in the INTERCOM group are called simultaneously with a lamp indication. The calling
INTERCOM station manually sends a one-second tone to the called INTERCOM signal station, as in a
button and buzzer INTERCOM arrangement.
Operating Procedure
AUTOMATIC INTERCOM
•
To initiate an Automatic INTERCOM call:
1.
The INTERCOM station presses the AICM key and goes off-hook (within 5 - 10 seconds).
2.
The INTERCOM station will hear Ringback Tone. A specified station rings.
3.
One of the called INTERCOM group stations answers the call and is connected to the calling
station.
To answer an Automatic INTERCOM call:
1.
The AICM key will flash, indicating an incoming INTERCOM call. The called station will also ring
according to the preassigned system parameters.
2.
If the called station is already engaged in a conversation with a non-INTERCOM call, the station
may press the AICM key after pressing the HLD key. Ringing will stop.
To bridge into an Automatic INTERCOM call:
1.
When two stations are engaged in an INTERCOM call, a third station in the same INTERCOM
group presses the AICM key and goes off-hook.
2.
A three-party conference is established. The called stations may hear a Warning Tone when the
station bridges into the call. This Warning Tone is pre-assigned in System Data.
MANUAL INTERCOM
•
To originate a Manual INTERCOM call:
1.
A station presses the MICM key and goes off-hook (within 5 seconds).
2.
The station will hear Ringback Tone.
3.
The calling station sends a chime to the INTERCOM station by pressing the SIG key.
4.
When one of the called INTERCOM stations answers the call, the calling station will be
connected. Also, all stations in the group share the common talk path and can pick up an
unanswered INTERCOM call.
NEAX2400 ICS Business Features and Specifications
NDA-24143, Issue 4
Automatic/Manual Intercom
Automatic/Manual Intercom
term
station users to simultaneously call all the stations
A-30
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