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ASAI and Domain Control
Issue 7 May 1998
5-17
Redirect Call
The adjunct uses this capability to re-route a call that is already alerting a station
extension.
Information Flow
The adjunct expects a response to its request.
The ECS either:
— Redirects the call and drops the alerting party after validating the
parameters, or
— Denies the request and maintains the alerting party
Domain Control Redirect Call Parameters
ACK (Positive Acknowledgement) Parameters
An acknowledgment is sent to the adjunct if the request is successfully completed
and the call stops alerting the redirecting station.
Denial (NAK) Causes
The ECS issues one of the following reasons as the cause for denying the
request:
■ Request is for release prior to G3V4 (CS0/111)
This service is only available beginning with release G3V4.
■ Mandatory Information Element missing (CS0/96)
The redirected-to number or other IE is missing in the request.
■ Invalid CRV (CS0/81)
The Call Reference Value is missing or invalid.
■ Invalid destination (CS3/43)
Invalid destinations include the following: empty (0 digits), unassigned
extension (invalid dial plan numbers), incomplete number of digits for
AAR/ARS pattern, or non-AAR/ARS FAC.
■ Redirected-to Station Busy, or Terminating Extension Group (TEG) has
one or more members busy (CS0/17)
call_id [mandatory] The call_id of the call to be redirected
redirected-to
-number
[mandatory] Identifies the number the call is routed to (may
be on or off-ECS). If more than 24 digits are provided, only
the first 24 are used.