private void Forward(UASInviteTransaction uasTx)
{
SIPB2BUserAgent b2bua = new SIPB2BUserAgent(_sipTransport, null, uasTx, null);
b2bua.CallAnswered += (uac, resp) => ForwardCallAnswered(uac, b2bua);
var dst = _getDestination(uasTx);
if (dst == null)
{
Logger.LogInformation($"B2BUA lookup did not return a destination. Rejecting UAS call.");
var notFoundResp = SIPResponse.GetResponse(uasTx.TransactionRequest, SIPResponseStatusCodesEnum.NotFound, null);
uasTx.SendFinalResponse(notFoundResp);
}
else
{
Logger.LogInformation($"B2BUA forwarding call to {dst.Uri}.");
b2bua.Call(dst);
}
}
private async Task Forward(UASInviteTransaction uasTx, ISIPAccount callerSIPAccount)
{
var invReq = uasTx.TransactionRequest;
//uasTx.TransactionStateChanged += (tx) => Logger.LogDebug($"B2B uas tx state changed to {tx.TransactionState}.");
//uasTx.TransactionTraceMessage += (tx, msg) => Logger.LogDebug($"B2B uas tx trace message. {msg}");
Logger.LogDebug($"B2B commencing forward for caller {invReq.Header.From.FromURI} to {invReq.URI}.");
SIPB2BUserAgent b2bua = new SIPB2BUserAgent(_sipTransport, null, uasTx, callerSIPAccount);
bool isAuthenticated = false;
if (callerSIPAccount != null)
{
isAuthenticated = b2bua.AuthenticateCall();
}
if (callerSIPAccount == null || isAuthenticated == true)
{
b2bua.CallAnswered += (uac, resp) => ForwardCallAnswered(uac, b2bua);
var dst = await _sipdialPlan.Lookup(uasTx, null);
if (dst == null)
{
Logger.LogInformation($"B2BUA lookup did not return a destination. Rejecting UAS call.");
var notFoundResp = SIPResponse.GetResponse(uasTx.TransactionRequest, SIPResponseStatusCodesEnum.NotFound, null);
uasTx.SendFinalResponse(notFoundResp);
OnAcceptCallFailure?.Invoke(uasTx.TransactionRequest.RemoteSIPEndPoint, CallFailureEnum.NotFound, invReq);
}
else
{
Logger.LogInformation($"B2BUA forwarding call to {dst.Uri}.");
b2bua.Call(dst);
}
}
}