SignalingSession.EndSendProvisionalResponse Method
Waits for the send provisional operation to complete.
Namespace: Microsoft.Rtc.Signaling
Assembly: Microsoft.Rtc.Collaboration (in Microsoft.Rtc.Collaboration.dll)
Syntax
'Declaration
Public Function EndSendProvisionalResponse ( _
result As IAsyncResult _
) As SipMessageData
'Usage
Dim instance As SignalingSession
Dim result As IAsyncResult
Dim returnValue As SipMessageData
returnValue = instance.EndSendProvisionalResponse(result)
public SipMessageData EndSendProvisionalResponse(
IAsyncResult result
)
Parameters
- result
Type: System.IAsyncResult
The reference to the pending asynchronous operation.
Return Value
Type: Microsoft.Rtc.Signaling.SipMessageData
Returns the PRACK message data, if the inviter supports reliable response. Can be null if the inviter does not support reliable response.
Exceptions
| Exception | Condition |
|---|---|
| InvalidOperationException | Thrown when this method is invoked multiple times using the same result. |
| ArgumentNullException | Thrown when the result parameter is null. |
| ArgumentException | Thrown when the result parameter is invalid. |
| OperationTimeoutException | Thrown when this operation timed out. |
| RealTimeException | Thrown when any of the sub operations of this operation failed due to SIP related errors like connection failure, Authentication failure. |