private void DoMakeCallAsync(CallWrapper call, string number, SipHeader[] headers)
{
try
{
int sessionId = _sip.SipekResources.CallManager.CreateSimpleOutboundCall(number, headers);
if (sessionId < 0)
{
DropCall(call);
}
else
{
call.SetSession(sessionId);
RefreshCallState(call, sessionId);
}
}
catch (Exception e)
{
Logger.LogWarn(e, "Can't acquire new session for call. Number: {0}. Call: {1}.", number, call);
}
}
/// <summary>
/// Create new call to specified number
/// </summary>
/// <param name="number">Number to call</param>
/// <param name="headers">Headers to pass with INVITE</param>
/// <returns>New call</returns>
public ICall MakeCall(string number, IEnumerable <KeyValuePair <string, string> > headers)
{
if (string.IsNullOrWhiteSpace(number))
{
throw new ArgumentException("Phone number is empty or null. Skipping call request.", "number");
}
// Remove all non-numeric symbols from number
number = number.ToLower();
number = number.Replace("sip:", ""); // it can be added while calling from browser
while (number.IndexOf(" ", StringComparison.Ordinal) >= 0)
{
number = number.Replace(" ", "");
}
while (number.IndexOf("(", StringComparison.Ordinal) >= 0)
{
number = number.Replace("(", "");
}
while (number.IndexOf(")", StringComparison.Ordinal) >= 0)
{
number = number.Replace(")", "");
}
while (number.IndexOf("-", StringComparison.Ordinal) >= 0)
{
number = number.Replace("-", "");
}
while (number.IndexOf("_", StringComparison.Ordinal) >= 0)
{
number = number.Replace("_", "");
}
Logger.LogNotice("CallManager: Trying to call " + number);
// Check if current status is NA then make user Available
//if (this._sip.Account.PresenceStatus.Code == CallService.Common.SIP.Account.PresenceStatusCode.NotAvailable)
// this._sip.Account.PresenceStatus = new CallService.Common.SIP.Account.PresenceStatus(CallService.Common.SIP.Account.PresenceStatusCode.Available);
// Lock calls collection to ensure that while we check all, we don't receive any new calls
lock (_calls)
{
// We only support 5 parallel lines
if (_calls.Count < LINES_MAXCOUNT)
{
// Put active calls on hold
foreach (var call in _calls)
{
if (call.State == CallState.ACTIVE)
{
call.Hold();
}
}
var newCall = new CallWrapper(this, number)
{
LastUserAction = CallAction.Make,
State = CallState.CONNECTING
};
var headersCollection = new List <SipHeader>();
if (headers != null)
{
headersCollection.AddRange(headers.Select(header => new SipHeader()
{
name = header.Key, value = header.Value
}));
}
if (!AssignLineForCall(newCall))
{
Logger.LogNotice($"Can't assign line for new call {newCall.Number}. Lines count exceeds.");
throw new InvalidOperationException("Lines count exceeds.");
}
_calls.Add(newCall);
RaiseCallStateChanged(newCall);
_dispatcher.BeginInvoke(new Action(() => DoMakeCallAsync(newCall, number, headersCollection.ToArray())));
return(newCall);
}
}
return(null);
}
