/// <summary>
/// Hunt for destination.
/// </summary>
/// <param name="request"></param>
/// <param name="call"></param>
private void LookupDestination(IRequest request, Call call)
{
Registration reg = _registrar.Get(request.To);
if (reg == null)
{
call.Destination = new CallParty {Contact = request.To, IsInternal = false};
call.Origin = call.Origin | CallOrigins.Outbound;
return;
}
call.Destination = new CallParty {Contact = reg.Contacts[0], IsInternal = true};
call.Origin = call.Origin | CallOrigins.Inbound;
}
private void LookupCaller(IRequest request, Call call)
{
Registration reg = _registrar.Get(request.From);
if (reg == null)
{
call.Origin = CallOrigins.External;
call.Caller = new CallParty {Contact = request.From, IsInternal = false};
return;
}
call.Id = request.CallId;
call.Origin = CallOrigins.Internal;
call.Caller = new CallParty {Contact = reg.Contacts[0], IsInternal = true};
}
private void TriggerCallFiltering(Call call, RequestContext context)
{
try
{
CallFiltering(this, new CallEventArgs(call));
}
catch (Exception err)
{
if (err is SipException)
{
var exception = (SipException) err;
IResponse response = context.Request.CreateResponse(exception.StatusCode, exception.Message);
context.Transaction.Send(response);
}
//Unhandled exception logger.
}
}
public Call Call(Contact from, Contact to)
{
IRequest request = _stack.CreateRequest(SipMethod.INVITE, from, to);
IClientTransaction transaction = _stack.Send(request);
transaction.ResponseReceived += OnResponse;
transaction.TimedOut += OnTimeout;
transaction.TransportFailed += OnTransportFailed;
transaction.Terminated += OnTerminate;
var call = new Call
{
Destination = new CallParty {Contact = to},
Caller = new CallParty {Contact = from},
Id = request.CallId,
Reason = CallReasons.Direct,
State = CallState.Proceeding
};
_calls.Add(call.Id, call);
CallChanged(this, new CallEventArgs(call));
return call;
}
/// <summary>
/// Initializes a new instance of the <see cref="CallEventArgs"/> class.
/// </summary>
/// <param name="call">The call.</param>
public CallEventArgs(Call call)
{
Call = call;
}
private Call CreateCall(IRequest request)
{
var call = new Call {State = CallState.Proceeding, Reason = CallReasons.Direct};
return call;
}