/// <summary>
/// Handles responses to our re-INVITE requests.
/// </summary>
/// <param name="localSIPEndPoint">The local end point the response was received on.</param>
/// <param name="remoteEndPoint">The remote end point the response came from.</param>
/// <param name="sipTransaction">The UAS transaction the response is part of.</param>
/// <param name="sipResponse">The SIP response.</param>
private Task <SocketError> ReinviteRequestFinalResponseReceived(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPTransaction sipTransaction, SIPResponse sipResponse)
{
if (sipResponse.Status == SIPResponseStatusCodesEnum.Ok)
{
// Update the remote party's SDP.
Dialogue.RemoteSDP = sipResponse.Body;
_ = MediaSession.OfferAnswered(sipResponse.Body);
}
else
{
logger.LogWarning($"Re-INVITE request failed with response {sipResponse.ShortDescription}.");
}
return(Task.FromResult(SocketError.Success));
}
/// <summary>
/// Event handler for a client call (one initiated by us) being answered.
/// </summary>
/// <param name="uac">The client user agent used to initiate the call.</param>
/// <param name="sipResponse">The INVITE success response.</param>
private async Task ClientCallAnsweredHandlerAsync(ISIPClientUserAgent uac, SIPResponse sipResponse)
{
if (sipResponse.StatusCode >= 200 && sipResponse.StatusCode <= 299)
{
// Only set the remote RTP end point if there hasn't already been a packet received on it.
await MediaSession.OfferAnswered(sipResponse.Body).ConfigureAwait(false);
Dialogue.DialogueState = SIPDialogueStateEnum.Confirmed;
logger.LogInformation($"Call attempt to {m_uac.CallDescriptor.Uri} was answered.");
ClientCallAnswered?.Invoke(uac, sipResponse);
}
else
{
logger.LogDebug($"Call attempt was answered with failure response {sipResponse.ShortDescription}.");
ClientCallFailed?.Invoke(uac, sipResponse.ReasonPhrase);
CallEnded();
}
}