NEC 2400 PX Manuale Utente
NEAX2400 IPX Feature Programming Manual
Page 42
NDA-24297, Issue 1
A-30
Automatic/Manual Intercom
A-30 Automatic/Manual
Intercom
General Description
This feature permits multiple D
term
users to simultaneously call all the stations 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).
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.
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.
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.
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 HOLD key. Ringing will stop.
press the AICM key after pressing the HOLD 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.
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.
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.
all stations in the group share the common talk path and can pick up an unanswered INTERCOM call.
To answer a Manual Intercom call
1.
The MICM key will flash, indicating an incoming INTERCOM call. The called station may also hear one
second of ringing from the calling INTERCOM station.
second of ringing from the calling INTERCOM station.
2.
If the called station in the INTERCOM group is already engaged in a conversation with a non-
INTERCOM call, the station may press the MICM key after pressing the HOLD key.
INTERCOM call, the station may press the MICM key after pressing the HOLD key.