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Call.BeginEstablish method (AsyncCallback, Object)

Establishes an outgoing call.

Namespace:  Microsoft.Rtc.Collaboration
Assembly:  Microsoft.Rtc.Collaboration (in Microsoft.Rtc.Collaboration.dll)

public IAsyncResult BeginEstablish(
	AsyncCallback userCallback,
	Object state
)

Parameters

userCallback
Type: System.AsyncCallback

The method to be called when the asynchronous operation is completed.

state
Type: System.Object

A user-provided object that distinguishes this particular asynchronous operation from other asynchronous operations.

Return value

Type: System.IAsyncResult
An IAsyncResult that references the asynchronous operation.

ExceptionCondition
InvalidOperationException

Thrown when the call is not in valid state to perform this operation or does not have valid media provider to bind to.

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