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ASAI and Call Control
4-68 Issue 7 May 1998
Third Party Relinquish Control
The adjunct uses this capability to terminate a Call Control association. The call
itself is not affected by this capability.
Information Flow
The adjunct expects a response to its request. The ECS:
— Relinquishes control of the call if the request is valid
Third Party Relinquish Control Parameters
None for this capability.
ACK (Positive Acknowledgement) Parameters
No parameters are contained in the acknowledgement for this capability.
Denial (NAK) Cause
This request receives a NAK for a Switch-Classified call if the request is made
while the call is being classified (CS0/98).
Protocol Error (NAK) Cause
None for this capability.
Considerations
After an adjunct has invoked Third Party Relinquish Control for a call, the same
adjunct or another adjunct can take control of the same call by invoking the Third
Party Take Control capability.
If this call is being monitored (Event Notification active), the adjunct continues to
receive event reports over the event notification association.
This operation does not disconnect any parties from the call; ECS call processing
continues for the duration of the call.