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ASAI and Domain Control
5-6 Issue 7 May 1998
Third Party Domain (Station) Control
Request
An adjunct uses this capability to receive event reports and control calls at a
specified extension.
Information Flow
The adjunct expects a response to its request.
The ECS returns an acknowledgement to the application after the ECS verifies
that the station number is valid and the maximum number of controllers for the
station has not been reached.
Domain (Station) Control Request Parameters
ACK (Positive Acknowledgement) Parameters
The ECS responds to the adjunct’s request with a list of call_ids, the party_id of
the principal’s extension on the call, and the state of the principal’s extension on
the call.
Denial (NAK) Causes
The ECS issues one of the following reasons as the cause for ending the
association:
■ Invalid association (CS0/81)
The association does not exist.
■ Invalid number/domain (CS0/28)
An invalid address or extension number is present in the request.
■ Service or Option Not Available (CS3/63)
The maximum number of Domain Control Requests are in use for the
domain.
■ Switching Equipment Congestion (CS0/42)
The ECS is not accepting the request at this time because of processor
overload. The adjunct or user may wish to retry the request but should not
do so immediately.
domain [mandatory] This parameter identifies a valid local station.