NEC Xen IPK Features & Specifications Manual page 144

Phone system
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July 2003
SERVICE
CONDITIONS
134 – C2
Restrictions
A conference call involving two outside lines cannot reside on one Call
Appearance key.
General
When a trunk call is originated or answered at a Multiline Terminal, it
must appear on a line key. The line key can be assigned as the trunk
itself or as a Call Appearance Key. A Call Appearance Key is dynamic
because a CAP key is used for any trunk call a multiline terminal is
using. An 8-key multiline terminal can have eight CAP keys that allow
the telephone to process all 64 trunks, 8 trunks at a time.
The Xen IPK system selects trunks from last trunk to the first within a
trunk group. Trunk Access Code (default:
or trunk appearance on the MLT. This occurs at default systems with
more than 8 trunks.
There are 1152 different CAP keys that are broken up into 48 CAP
blocks with 24 keys per block. In system programming, a Multiline
Terminal is associated with a single CAP block. As the Multiline
Terminal processes calls, only keys in its assigned CAP block
are used.
Several Multiline Terminals can be assigned to the same CAP block
with the same set of 24 keys. Incoming trunks to these Multiline
Terminals appear on the same CAP key at each station.
Call Arrival keys can also be associated with a CAP block. As calls
arrive and are answered from a CAR, they will move to the assigned
CAP keys on the terminal. Different CAR keys can be associated with
different CAP blocks to segregate calls based on the extension the call
was sent to. In addition if a CAR is not assigned to a CAP block, then
the telephone CAP assignment is used by the CAR.
Any held call left on a Call Appearance key for more than the
programmed time interval recalls to the Multiline Terminal where the
call was originally put on hold.
If a Multiline Terminal (other than the one that originally initiated or
received a call) is used to retrieve a held call, the SMDR records a
transfer to the Multiline Terminal where the call was retrieved.
Only outside lines use a Call Appearance key.
Outside lines reside on the Call Appearance key in the order of lowest
to highest line key numbers on the station.
A Multiline Terminal can have multiple Call Appearance keys assigned
to it (including those from different Call Appearance blocks).
All Flexible Line keys on a Multiline Terminal can be assigned as Call
Appearance keys in System Programming.
Multiline Terminals and Call Arrival Keys are assigned to Call
Appearance blocks in System Programming.
NEC Business Solutions Ltd
0
) will not work if no CAP
Call Appearance Keys (CAP)

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