AudioVideoCall.BeginEstablishEarlyMedia Method (CallProvisionalResponseOptions, AsyncCallback, Object)

Sends a provisional reliable response with a 183 response code SessionProgress; will also create an early dialog.

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

Syntax

'Declaration
Public Function BeginEstablishEarlyMedia ( _
    options As CallProvisionalResponseOptions, _
    userCallback As AsyncCallback, _
    state As Object _
) As IAsyncResult
'Usage
Dim instance As AudioVideoCall
Dim options As CallProvisionalResponseOptions
Dim userCallback As AsyncCallback
Dim state As Object
Dim returnValue As IAsyncResult

returnValue = instance.BeginEstablishEarlyMedia(options, _
    userCallback, state)

public IAsyncResult BeginEstablishEarlyMedia(
    CallProvisionalResponseOptions options,
    AsyncCallback userCallback,
    Object state
)

Parameters

• options
  Type: Microsoft.Rtc.Collaboration.CallProvisionalResponseOptions
  Optional parameters to be send on provisional response. Can be null.

• 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.

Exceptions

See Also

Reference

AudioVideoCall Class

AudioVideoCall Members

BeginEstablishEarlyMedia Overload

Microsoft.Rtc.Collaboration.AudioVideo Namespace