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DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506
Issue 1
April 2000
Features and technical reference
1212Call Coverage
20
■ DEFINITY ECS has no control over any redirection of the call that may
take place at an off-net destination. However, further coverage treatment
will be provided if the Off-Net Cvg Subsequent Redirection/CFWD No
Ans Interval field expires before the call is answered off-net.
If the Coverage of Calls Redirected Off-Net field is not activated, the system does
not monitor off-net calls and bring them back for additional call-coverage
processing. In this case, once a call is directed to the remote call-coverage point,
the principal is dropped from the call. Effectively, the off-net coverage point is the
last coverage point in the coverage path.
VDN in a Call Coverage path
Assigning a VDN extension as the last point in a Call Coverage path allows the
functionality of Call Vectoring to be applied to a coverage point. The
programmable vector associated with the VDN effectively can provide great
flexibility in call handling. The integration of the Call Vectoring and Call
Coverage features can drive powerful AUDIX and Message Server applications.
For example, you can program the vector assigned to the VDN in the coverage
path to queue a redirected call to a messaging split for call answer operation and to
allow the caller to leave a message for the called principal. The same VDN also
can be used to retrieve messages. The vector program may also be varied by time
of day or split status to provide different types of coverage.
When a redirected call covers to a VDN, the principal’s simulated bridged
appearance is removed when vector processing begins.
When covered or direct calls are connected to AUDIX or a messaging split via call
vectoring, the original reason for redirection and the called principal must be
passed to the adjunct over the Switch Communication Interface (SCI) link.
Use of a VDN as a coverage point provides integration to Centralized Messaging.
That is, the Distributed Communications System (DCS) message sent to the
remote switch with AUDIX includes the original reason for redirection and called
principal.
An administration change is required to allow an extension that is assigned as a
VDN to be entered as the last point in the coverage path. See DEFINITY ECS Call
Vectoring/EAS Guide or DEFINITY BCS and Guestworks Call Vectoring Guide
for more information.