private void UACInviteTransaction_TransactionFinalResponseReceived(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPTransaction sipTransaction, SIPResponse sipResponse)
{
try
{
// BranchId for 2xx responses needs to be a new one, non-2xx final responses use same one as original request.
if (sipResponse.StatusCode >= 200 && sipResponse.StatusCode < 299)
{
if (_sendOkAckManually == false)
{
Send2xxAckRequest(null, null);
}
}
else
{
// ACK for non 2xx response is part of the INVITE transaction and gets routed to the same endpoint as the INVITE.
var ackRequest = GetInTransactionACKRequest(sipResponse, m_transactionRequest.URI, LocalSIPEndPoint);
base.SendRequest(RemoteEndPoint, ackRequest);
}
UACInviteTransactionFinalResponseReceived?.Invoke(localSIPEndPoint, remoteEndPoint, sipTransaction, sipResponse);
if (CDR != null)
{
SIPEndPoint localEP = SIPEndPoint.TryParse(sipResponse.Header.ProxyReceivedOn) ?? localSIPEndPoint;
SIPEndPoint remoteEP = SIPEndPoint.TryParse(sipResponse.Header.ProxyReceivedFrom) ?? remoteEndPoint;
CDR.Answered(sipResponse.StatusCode, sipResponse.Status, sipResponse.ReasonPhrase, localEP, remoteEP);
}
}
catch (Exception excp)
{
logger.Error("Exception UACInviteTransaction_TransactionFinalResponseReceived. " + excp.Message);
}
}
/// <param name="sendOkAckManually">If set an ACK request for the 2xx response will NOT be sent and it will be up to the application to explicitly call the SendACK request.</param>
internal UACInviteTransaction(SIPTransport sipTransport, SIPRequest sipRequest, SIPEndPoint dstEndPoint, SIPEndPoint localSIPEndPoint, SIPEndPoint outboundProxy, bool sendOkAckManually = false)
: base(sipTransport, sipRequest, dstEndPoint, localSIPEndPoint, outboundProxy)
{
TransactionType = SIPTransactionTypesEnum.Invite;
m_localTag = sipRequest.Header.From.FromTag;
SIPEndPoint localEP = SIPEndPoint.TryParse(sipRequest.Header.ProxySendFrom) ?? localSIPEndPoint;
CDR = new SIPCDR(SIPCallDirection.Out, sipRequest.URI, sipRequest.Header.From, sipRequest.Header.CallId, localEP, dstEndPoint);
_sendOkAckManually = sendOkAckManually;
TransactionFinalResponseReceived += UACInviteTransaction_TransactionFinalResponseReceived;
TransactionInformationResponseReceived += UACInviteTransaction_TransactionInformationResponseReceived;
TransactionTimedOut += UACInviteTransaction_TransactionTimedOut;
TransactionRequestReceived += UACInviteTransaction_TransactionRequestReceived;
TransactionRemoved += UACInviteTransaction_TransactionRemoved;
}
private void UACInviteTransaction_TransactionInformationResponseReceived(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPTransaction sipTransaction, SIPResponse sipResponse)
{
try
{
UACInviteTransactionInformationResponseReceived?.Invoke(localSIPEndPoint, remoteEndPoint, sipTransaction, sipResponse);
if (CDR != null)
{
SIPEndPoint localEP = SIPEndPoint.TryParse(sipResponse.Header.ProxyReceivedOn) ?? localSIPEndPoint;
SIPEndPoint remoteEP = SIPEndPoint.TryParse(sipResponse.Header.ProxyReceivedFrom) ?? remoteEndPoint;
CDR.Progress(sipResponse.Status, sipResponse.ReasonPhrase, localEP, remoteEP);
}
}
catch (Exception excp)
{
logger.Error("Exception UACInviteTransaction_TransactionInformationResponseReceived. " + excp.Message);
}
}
public UASInviteTransaction(
SIPTransport sipTransport,
SIPRequest sipRequest,
SIPEndPoint dstEndPoint,
SIPEndPoint localSIPEndPoint,
SIPEndPoint outboundProxy,
IPAddress contactIPAddress,
bool noCDR = false)
: base(sipTransport, sipRequest, dstEndPoint, localSIPEndPoint, outboundProxy)
{
TransactionType = SIPTransactionTypesEnum.Invite;
m_remoteTag = sipRequest.Header.From.FromTag;
m_contactIPAddress = contactIPAddress;
if (sipRequest.Header.To.ToTag == null)
{
// This UAS needs to set the To Tag.
m_localTag = CallProperties.CreateNewTag();
}
else
{
// This is a re-INVITE.
m_localTag = sipRequest.Header.To.ToTag;
}
//logger.Debug("New UASTransaction (" + TransactionId + ") for " + TransactionRequest.URI.ToString() + " to " + RemoteEndPoint + ".");
SIPEndPoint localEP = SIPEndPoint.TryParse(sipRequest.Header.ProxyReceivedOn) ?? localSIPEndPoint;
SIPEndPoint remoteEP = SIPEndPoint.TryParse(sipRequest.Header.ProxyReceivedFrom) ?? dstEndPoint;
if (!noCDR)
{
CDR = new SIPCDR(SIPCallDirection.In, sipRequest.URI, sipRequest.Header.From, sipRequest.Header.CallId, localEP, remoteEP);
}
//UpdateTransactionState(SIPTransactionStatesEnum.Proceeding);
TransactionRequestReceived += UASInviteTransaction_TransactionRequestReceived;
TransactionInformationResponseReceived += UASInviteTransaction_TransactionResponseReceived;
TransactionFinalResponseReceived += UASInviteTransaction_TransactionResponseReceived;
TransactionTimedOut += UASInviteTransaction_TransactionTimedOut;
TransactionRemoved += UASInviteTransaction_TransactionRemoved;
}