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ASAI and Call Control
4-48 Issue 7 May 1998
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
Third Party 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.
No parameters are contained in the acknowledgement for this capability.
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.
redirecting
party_id
[optional] Identifies the party to be redirected from [must map
to a valid voice station extension, which includes
off-premises stations (OPS)]. If not specified, call is
redirected away from “last added party” to a call.
redirected-
to-number
[mandatory] Identifies the number the call is routed to (may
be on or off the ECS). If more than 24 digits are provided,
only the first 24 are used.