Panasonic DBS Series Overview page 29

Panasonic Digital Business System - Overview
April 1997
CPC-EX - DBS DDI Enhancements
CPC-EX version 2.1 contains an range of enhancements to the DDI operation of the DBS
combined with E-ISDN and DASSII. The new features are:
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Separate DDI table for Night Service
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Alternative DDI destinations in Day & Night modes for Busy or No Answer
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DDI Ring Group membership increased from 8 to 32 members
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DDI Hunt Group, DDI Ring Groups and extensions can be members
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DDI calls to the operator extension are now subject to overflow ringing
DDI Night Service Table
The DBS now includes a second DDI table for use in Night Service. The table duplicates the
options available for Day Service and allows a separate DDI ringing scheme to be made
operational out of hours.
Calls directed to the operator telephone will be re-routed to the Night Ring Telephone in Night
Service.
When making calls the DDI sent to network will be the DDI from the table ( Day or Night ) in
use at the time the call is made.
Alternative DDI Destination - Busy / No Answer
CPC-EX v2 introduced and alternative extension option to which a DDI call can be routed if
the primary destination is busy. CPC-EX v2.1 enhances this option by allowing the alternative
destination to be a group or extension.
DDI Ring Group Membership
Membership of the DDI Ring Groups has been extended from the original 8 to 32 members.
DDI Hunt Group
A new Hunt Group type has been added to the software for the exclusive use of DDI calls.
There are and additional 16 DDI Hunt Groups allowing 16 members of each. Members can
be extensions or DDI Ring Groups, and the hunting mode is circular, with no answer or busy
searching. No follow on group or alternative hunting modes are supported. The existing Hunt
Group operation is unchanged
For DDI Ring Groups to be included in a Hunt Group they will require a virtual extension
number to be assigned to reference them by. Extensions cannot be members of more than 1
DDI Hunt Group and cannot be included in a more than 1 Ring Group assigned to a DDI Hunt
Group, but can be individually in the same DDI Hunt Group as a Ring Group in which it is
also a member.
Group membership conditions for normal Hunt Groups are unchanged. (see following
example )
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Issue 6