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CallFeatureServiceCompleteCallPreemption Method

Completes call preemption after user acknowledges the continuous preemption tone.

Namespace:  Avaya.ClientServices
Assembly:  AvayaClientServices (in AvayaClientServices.dll) Version: 550.0.60.0
Syntax
C#
public void CompleteCallPreemption(
	Call preemptedCall,
	CallFeatureServiceFeatureCompletionHandler completionHandler
)

Parameters

preemptedCall
Type: Avaya.ClientServicesCall
call which was preempted and received Preempted event.
completionHandler
Type: Avaya.ClientServicesCallFeatureServiceFeatureCompletionHandler
A completion handler that receives the result of the operation.
Remarks
Call preemption occurs when a precedence call is sent to a preemptable endpoint that is busy with a call of lower precedence and has no idle appearances. This causes the lower precedence call to be preempted, regardless of whether the lower precedence call and the new higher precedence call are of the same media type. When preemption occurs, the active busy user receive a continuous preemption tone until user acknowledges the preemption by invoking complete preemption method and the other party receives a preemption tone for a minimum of 3 seconds. After acknowledging the preemption, the extension to which the precedence call is directed will be provided with precedence ringing and the calling party will receive an audible ring - back precedence tone. Application must start playing preemption tone upon receipt of event Preempted and stop preemption tone before calling completeCallPreemption when user acknowledges the preemption. However when other end receives preemption application must stop tone after 3 seconds and Preempted is NOT needed since there is no precedence call is directed at this end, other end is free and ready to receive any other new call while tone is being played.
See Also