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C-25
Call Forwarding-Intercept / Announcement
General Description
This feature provides for interception of STATION-TO-STATION [S-11], DIRECT INWARD DIALING [D-
8], Attendant-to-Station and CCSA [C-14] calls that cannot be completed (unassigned station, level, etc.).
These calls are automatically routed to a recorded announcement informing the caller that an inoperative
number was reached and giving the Listed Directory Number for information.
This feature permits a station-originated call, upon encountering a restricted outgoing number, to
automatically be routed to a recorded announcement informing the caller that the dialed number is
restricted for this station.
This feature permits a station-originated call, upon encountering a trunk busy condition, to automatically
be routed to a recorded announcement informing the caller that all the outgoing trunks are busy.
Operating Procedure
No manual operation is required, once this feature has been programmed in System Data.
Service Conditions
1.
CALL FORWARDING - INTERCEPT/ANNOUNCEMENT requires one of the following hardware
alternatives:
a.) Central Office Trunk (COT) or 2W E&M trunk and an announcement machine,
b.) Digital Announcement Trunk (DAT).
2.
If the outside party or Attendant forgets to hang up, the system will automatically disconnect in
30 seconds (provided this is programmed in System Data). If no disconnect timing is
programmed, the outside party will control disconnect.
3.
This feature is provided on a per-TENANT [T-12] basis.
4.
The following call conditions, which cannot be completed, can be routed to intercept:
a.) vacant level,
b.) unassigned station number.
5.
Only one common message can be provided for the different intercept conditions.
6.
There is no method by which to exempt individual DID, CCSA, and TIE Trunks from intercept.
7.
A station dials the LEAST COST ROUTING [L-5] access code and then an outside number. If
that outside number is not listed in LEAST COST ROUTING [L-5] tables (Outgoing Routing
Patterns, OPR), the call will be routed to an intercept announcement.
8.
If a different message is required for each of the three intercept conditions, three trunks or three
announcement machines must be provided.
When encountering a Restricted Route:
9.
This service feature is valid when station to outgoing trunk connection is restricted.
10. This feature is applied equally to all trunk routes in the system. It cannot be denied to some
routes and available to other routes.
11. This service is valid when a call is redirected to an OG trunk via CALL FORWARDING-OUTSIDE
[C-28]. The announcement will be heard when the calling station is also a restricted station.
12. This service is not valid for TRUNK-TO-TRUNK CONNECTION [T-10] when the called station
has set CALL FORWARDING - OUTSIDE [C-28] via DID or TIE Trunk.
13. This service is not valid for outgoing calls that do not go out when all trunks or senders are busy.
NEAX2400 ICS Business Features and Specifications
NDA-24143, Issue 4
Call Forwarding-Intercept / Announcement
C-25
Page 151
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