/// <summary>
/// Execute OpalSendMessage() using OpalCmdSetUpCall
/// </summary>
/// <param name="response">Response from OPAL context on initiating call.</param>
/// <param name="partyB">Destination address, see OpalCmdSetUpCall.</param>
/// <param name="partyA">Calling sub-system, see OpalCmdSetUpCall.</param>
/// <param name="alertingType">Alerting type code, see OpalCmdSetUpCall.</param>
public bool SetUpCall(OpalMessageRef response, string partyB, string partyA = null, string alertingType = null)
{
OpalMessageRef message = new OpalMessageRef(Opal_API.OpalMessageType.OpalCmdSetUpCall);
OpalParamSetUpCallRef param = message.GetCallSetUp();
param.PartyA = partyA;
param.PartyB = partyB;
param.AlertingType = alertingType;
return SendMessage(message, response);
}
static int DoPlay(string to, string file)
{
// Example cmd line: call [email protected]
OpalMessageRef command = new OpalMessageRef();
OpalMessageRef response;
Console.WriteLine("Playing {0} to {1}", file, to);
playScript = String.Format("ivr:<?xml version=\"1.0\"?><vxml version=\"1.0\"><form id=\"PlayFile\">" +
"<audio src=\"{0}\"/></form></vxml>", file);
command.SetMessageType(Opal_API.OpalMessageType.OpalCmdSetUpCall);
OpalParamSetUpCallRef m_callSetUp = command.GetCallSetUp();
m_callSetUp.PartyB = to;
if ((response = MySendCommand(command, "Could not make call")) == null)
return 0;
currentCallToken = response.GetCallSetUp().CallToken;
return 1;
}
static int DoRecord(string to, string file)
{
// Example cmd line: call [email protected]
OpalMessageRef command = new OpalMessageRef();
OpalMessageRef response;
Console.WriteLine("Calling {0}", to);
command.SetMessageType(Opal_API.OpalMessageType.OpalCmdSetUpCall);
OpalParamSetUpCallRef m_callSetUp = command.GetCallSetUp();
m_callSetUp.PartyB = to;
if ((response = MySendCommand(command, "Could not make call")) == null)
return 0;
currentCallToken = response.GetCallSetUp().CallToken;
Console.WriteLine("Recording {0}", file);
command.SetMessageType(Opal_API.OpalMessageType.OpalCmdStartRecording);
OpalParamRecordingRef m_recording = command.GetRecording();
m_recording.CallToken = currentCallToken;
m_recording.File = file;
m_recording.Channels = 2;
if ((response = MySendCommand(command, "Could not start recording")) == null)
return 0;
return 1;
}
static int DoTransfer(string to)
{
// Example cmd line: transfer [email protected] [email protected]
OpalMessageRef command = new OpalMessageRef();
OpalMessageRef response;
Console.WriteLine("Transferring to {0}", to);
command.SetMessageType(Opal_API.OpalMessageType.OpalCmdTransferCall);
OpalParamSetUpCallRef m_callSetup = command.GetCallSetUp();
m_callSetup.PartyB = to;
m_callSetup.CallToken = currentCallToken;
if ((response = MySendCommand(command, "Could not transfer call")) == null)
return 0;
return 1;
}
static int DoCall(string from, string to)
{
// Example cmd line: call [email protected]
OpalMessageRef command = new OpalMessageRef();
OpalMessageRef response = new OpalMessageRef();
Console.WriteLine("Calling {0}", to);
command.SetMessageType(Opal_API.OpalMessageType.OpalCmdSetUpCall);
OpalParamSetUpCallRef m_callSetUp = command.GetCallSetUp();
m_callSetUp.PartyA = from;
m_callSetUp.PartyB = to;
OpalParamProtocolRef overrides = new OpalParamProtocolRef(new Opal_API.OpalParamProtocol());
overrides.DisplayName = "Test Calling Party";
m_callSetUp.Overrides = overrides.Param;
if ((response = MySendCommand(command, "Could not make call")) == null)
return 0;
m_callSetUp = response.GetCallSetUp();
currentCallToken = m_callSetUp.CallToken;
return 1;
}
static void HandleMessages(uint timeout)
{
OpalMessageRef command = new OpalMessageRef();
OpalMessageRef response;
OpalMessageRef message = new OpalMessageRef();
while (context.GetMessage(message, timeout))
{
switch (message.GetMessageType())
{
case Opal_API.OpalMessageType.OpalIndRegistration:
OpalStatusRegistrationRef m_param = message.GetRegistrationStatus();
switch (m_param.Status)
{
case Opal_API.OpalRegistrationStates.OpalRegisterRetrying:
Console.WriteLine("Trying registration to {0}.", m_param.ServerName);
break;
case Opal_API.OpalRegistrationStates.OpalRegisterRestored:
Console.WriteLine("Registration of {0} restored.",m_param.ServerName);
break;
case Opal_API.OpalRegistrationStates.OpalRegisterSuccessful:
Console.WriteLine("Registration of {0} successful.", m_param.ServerName);
break;
case Opal_API.OpalRegistrationStates.OpalRegisterRemoved:
Console.WriteLine("Unregistered {0}.", m_param.ServerName);
break;
case Opal_API.OpalRegistrationStates.OpalRegisterFailed:
if (m_param.Error == null || m_param.Error.Length == 0)
Console.WriteLine("Registration of {0} failed.", m_param.ServerName);
else
Console.WriteLine("Registration of {0} error: {1}",m_param.ServerName, m_param.Error);
break;
}
break;
case Opal_API.OpalMessageType.OpalIndLineAppearance:
OpalStatusLineAppearanceRef m_lineStatus = message.GetLineAppearance();
switch (m_lineStatus.State)
{
case Opal_API.OpalLineAppearanceStates.OpalLineIdle:
Console.WriteLine("Line {0} available.", m_lineStatus.Line);
break;
case Opal_API.OpalLineAppearanceStates.OpalLineTrying:
Console.WriteLine("Line {0} in use.", m_lineStatus.Line);
break;
case Opal_API.OpalLineAppearanceStates.OpalLineProceeding:
Console.WriteLine("Line {0} calling.", m_lineStatus.Line);
break;
case Opal_API.OpalLineAppearanceStates.OpalLineRinging:
Console.WriteLine("Line {0} ringing.", m_lineStatus.Line);
break;
case Opal_API.OpalLineAppearanceStates.OpalLineConnected:
Console.WriteLine("Line {0} connected.", m_lineStatus.Line);
break;
case Opal_API.OpalLineAppearanceStates.OpalLineSubcribed:
Console.WriteLine("Line {0} subscription successful.", m_lineStatus.Line);
break;
case Opal_API.OpalLineAppearanceStates.OpalLineUnsubcribed:
Console.WriteLine("Unsubscribed line {0}.", m_lineStatus.Line);
break;
}
break;
case Opal_API.OpalMessageType.OpalIndIncomingCall:
OpalStatusIncomingCallRef incomingCall = message.GetIncomingCall();
Console.WriteLine("Incoming call from \"{0}\", \"{1}\" to \"{2}\", handled by \"{3}\".",
incomingCall.RemoteDisplayName,
incomingCall.RemoteAddress,
incomingCall.CalledAddress,
incomingCall.LocalAddress);
if (currentCallToken == null)
{
command = new OpalMessageRef(Opal_API.OpalMessageType.OpalCmdAnswerCall);
OpalParamAnswerCallRef answerCall = command.GetAnswerCall();
answerCall.CallToken = incomingCall.CallToken;
OpalParamProtocolRef overrides = new OpalParamProtocolRef(answerCall.Overrides);
overrides.UserName = "******";
overrides.DisplayName = "Test Called Party";
answerCall.Overrides = overrides.Param;
MySendCommand(command, "Could not answer call");
}
else
{
command = new OpalMessageRef(Opal_API.OpalMessageType.OpalCmdClearCall);
OpalParamCallClearedRef clearCall = command.GetClearCall();
OpalStatusIncomingCallRef m_incomingCall = message.GetIncomingCall();
clearCall.CallToken = m_incomingCall.CallToken;
clearCall.Reason = Opal_API.OpalCallEndReason.OpalCallEndedByLocalBusy;
MySendCommand(command, "Could not refuse call");
}
break;
case Opal_API.OpalMessageType.OpalIndProceeding:
Console.WriteLine("Proceeding.");
break;
case Opal_API.OpalMessageType.OpalIndAlerting:
Console.WriteLine("Ringing.");
break;
case Opal_API.OpalMessageType.OpalIndEstablished:
Console.WriteLine("Established.");
if (playScript != null)
{
Console.WriteLine("Playing {0}", playScript);
command = new OpalMessageRef(Opal_API.OpalMessageType.OpalCmdTransferCall);
OpalParamSetUpCallRef m_callSetUp = command.GetCallSetUp();
m_callSetUp.CallToken = currentCallToken;
m_callSetUp.PartyA = "pc:";
m_callSetUp.PartyB = playScript;
MySendCommand(command, "Could not start playing");
}
break;
case Opal_API.OpalMessageType.OpalIndMediaStream:
OpalStatusMediaStreamRef m_mediaStream = message.GetMediaStream();
Console.WriteLine("Media stream {0} {1} using {2}.", m_mediaStream.Type,
m_mediaStream.State == Opal_API.OpalMediaStates.OpalMediaStateOpen ? "opened" : "closed",
m_mediaStream.Format);
break;
case Opal_API.OpalMessageType.OpalIndUserInput:
OpalStatusUserInputRef m_userInput = message.GetUserInput();
Console.WriteLine("User Input: {0}.", m_userInput.UserInput);
break;
case Opal_API.OpalMessageType.OpalIndCallCleared:
OpalStatusCallClearedRef m_callCleared = message.GetCallCleared();
if (m_callCleared.Reason == null)
Console.WriteLine("Call cleared.");
else
Console.WriteLine("Call cleared: {0}", m_callCleared.Reason);
break;
default:
break;
}
}
}
