public static Task<CallMessageData> TransferAsync(this AudioVideoCall self, string targetUri, CallTransferOptions callTransferOptions)
{
return Task.Factory.FromAsync<string, CallTransferOptions, CallMessageData>(
self.BeginTransfer,
self.EndTransfer,
targetUri,
callTransferOptions,
null);
}
public static Task<CallMessageData> TransferAsync(this AudioVideoCall self, Call callToReplace, CallTransferOptions callTransferOptions)
{
return Task.Factory.FromAsync<Call, CallTransferOptions, CallMessageData>(
self.BeginTransfer,
self.EndTransfer,
callToReplace,
callTransferOptions,
null);
}
public static Task<CallMessageData> TransferAsync(
this AudioVideoCall call, string targetUri, CallTransferOptions options)
{
return Task<CallMessageData>.Factory.FromAsync(call.BeginTransfer,
call.EndTransfer, targetUri, options, null);
}
public static Task <CallMessageData> TransferAsync(
this AudioVideoCall call, string targetUri, CallTransferOptions options)
{
return(Task <CallMessageData> .Factory.FromAsync(call.BeginTransfer,
call.EndTransfer, targetUri, options, null));
}
private void PerformUnattendedTransfer()
{
CallTransferOptions options =
new CallTransferOptions(CallTransferType.Unattended);
try
{
_avCall.BeginTransfer(_destinationSipUri, options,
ar =>
{
try
{
_avCall.EndTransfer(ar);
}
catch (RealTimeException rtex)
{
_logger.Log("Failed transferring call.", rtex);
}
},
null);
}
catch (InvalidOperationException ioex)
{
_logger.Log("Failed transferring call.", ioex);
}
}
