NEC Electra Elite 48/192 Features And Specifications Manual page 129

Issue 6
SERVICE
CONDITIONS
C - 10
Data Assignment:
Use Memory Block 1-2-04 (Call Arrival Key Block Assignment) to
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assign Call Arrival extensions in groups of four.
Use Memory Block 2-06 (Line Key Selection for Tenant Mode) to
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assign Call Arrival keys to a CAP block in Tenant Mode.
Use Memory Block 4-12 (Line Key Selection for Telephone Mode) to
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assign Call Arrival keys to a CAP block in Telephone Mode.
Read the CAP Key features and specifications because CAR and
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CAP can be closely related.
Restrictions:
The Electra Elite 192 system can provide 112 Call Arrival keys. This
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number is shared with 120 station ports. When 112 CAR keys are
assigned, the remaining eight numbers can be assigned for hardware
extension numbers.
Using System Software S3000 or lower, the Electra Elite 48
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system can contain 24 Call Arrival keys. This number is shared with
32 station ports. When 24 CAR keys are assigned, the remaining
eight numbers can be assigned for hardware extension numbers.
Using System Software S4000 or higher, the Elite 48 system can
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have a maximum of 40 CAR key extensions and 8 stations ports or
32 station ports and 16 CAR ports.
General:
Incoming outside line calls can ring on a CAR. When the call is
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answered, it resides on a CAP (or CO Line key). The CAR becomes
idle for another incoming call or continues to flash when another call
is waiting to be answered. When a Call Appearance key (or CO Line
key) is unavailable, an outside line call to a Call Arrival key cannot be
answered.
Incoming internal calls to a Call Arrival key can be answered with a
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Call Appearance key unassigned. The ICM lamp (when provided)
indicates a call, and when the call is put on hold, flashes at the
Conference key.
Go off-hook, press the Speaker key when Ringing Line Preference is
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assigned, press the flashing Call Arrival key, or press the Answer key
to answer Calls ringing at a Call Arrival key.
Call Arrival Keys can be set for Call Forward - All Call and Call
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Forward - Busy/No Answer.
Using System Software S4000 or higher, Call Arrival keys can be
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set for Call Forward - Off Premise.
Electra Elite
Call Arrival (CAR) Keys