/// <summary>
/// Updates the stream status of the RTP session and sends the re-INVITE request.
/// </summary>
private void ApplyHoldAndReinvite()
{
var streamStatus = GetStreamStatusForOnHoldState();
MediaSession.SetMediaStreamStatus(SDPMediaTypesEnum.audio, streamStatus);
MediaSession.SetMediaStreamStatus(SDPMediaTypesEnum.video, streamStatus);
var sdp = MediaSession.CreateOffer(null);
SendReInviteRequest(sdp);
}