Call.BeginEstablish method (AsyncCallback, Object)
Establishes an outgoing call.
Assembly: Microsoft.Rtc.Collaboration (in Microsoft.Rtc.Collaboration.dll)
- Type: System.AsyncCallback
The method to be called when the asynchronous operation is completed.
- Type: System.Object
A user-provided object that distinguishes this particular asynchronous operation from other asynchronous operations.
Return valueType: System.IAsyncResult
An IAsyncResult that references the asynchronous operation.
Thrown when the call is not in valid state to perform this operation or does not have valid media provider to bind to.