/// <summary>
/// Notify application on incoming call.
/// </summary>
///<param name="sender">The current sender.</param>
/// <param name="e">The event parameter.</param>
private void _voipManager_OnIncomingCall(object sender, OnIncomingCallParam e)
{
// Is valid call.
if (e.CallId >= 0)
{
// Create a new call.
Call call = _voipManager.CreateCall(e.CallId);
Param.CallParam callInfo = new Param.CallParam(call, _voipManager.MediaManager, _recordFilename);
// Create the call settings.
CallSetting setting = new CallSetting(true);
CallOpParam parm = new CallOpParam(true);
setting.AudioCount = 1;
parm.Setting = setting;
// Continue ringing.
parm.Code = StatusCode.SC_RINGING;
call.Answer(parm);
// Send a notification to the call.
Param.OnIncomingCallParam param = new Param.OnIncomingCallParam();
param.CallID = e.CallId;
param.Info = e.RxData.Info;
param.SrcAddress = e.RxData.SrcAddress;
param.WholeMsg = e.RxData.WholeMsg;
param.Call = callInfo;
param.Contact = FindContact(param);
// Call the event handler.
OnIncomingCall?.Invoke(this, param);
}
}
/// <summary>
/// Make outgoing call to the specified URI.
/// </summary>
/// <param name="callId">An index call id (0 - 3).</param>
/// <param name="uri">URI to be put in the To header (normally is the same as the target URI).</param>
/// <param name="recordFilename">The path and filename where the conversation is to be recorded to. Currently ".wav" is supported on all platforms.</param>
/// <returns>The call information.</returns>
public Param.CallParam MakeCall(int callId, string uri, string recordFilename = null)
{
// If created.
if (_created)
{
// Create a new call.
Call call = new Call(_account, callId);
// Create the call settings.
CallSetting setting = new CallSetting(true);
CallOpParam parm = new CallOpParam(true);
setting.AudioCount = 1;
parm.Setting = setting;
// Make the call.
call.MakeCall(uri, parm);
// return the call information.
Param.CallParam callInfo = new Param.CallParam(call, _mediaManager, recordFilename);
return(callInfo);
}
else
{
throw new Exception("Create the account first.");
}
}
/// <summary>
/// Remove the conference call contact.
/// </summary>
/// <param name="id">The call to remove.</param>
public void RemoveConferenceCallContact(string id)
{
// Remove the contact.
if (_conferenceCall != null)
{
Param.CallParam caller = null;
try
{
// Find the caller.
caller = _conferenceCall.First(u => u.ID == id);
bool ret = _conferenceCall.Remove(caller);
if (!ret)
{
caller = null;
}
}
catch { }
// If call has been found.
if (caller != null)
{
// Start the conversation between the caller and all other callers.
foreach (Param.CallParam call in _conferenceCall)
{
try
{
// The current callers.
caller.StopConversation(call);
}
catch { }
}
}
}
}
/// <summary>
/// Add the conference call contact.
/// </summary>
/// <param name="caller">The contact to add.</param>
public void AddConferenceCallContact(Param.CallParam caller)
{
if (_conferenceCall == null)
{
_conferenceCall = new List <Param.CallParam>();
}
// Add the contact.
if (_conferenceCall != null)
{
// Start the conversation between the caller and all other callers.
foreach (Param.CallParam call in _conferenceCall)
{
try
{
// The current callers.
caller.StartConversation(call);
}
catch { }
}
// Add the contact.
_conferenceCall.Add(caller);
}
}
/// <summary>
/// Stop the conversationbetween callers.
/// </summary>
/// <param name="caller">The caller to stop the conversation with.</param>
public void StopConversation(CallParam caller)
{
// Combine the audio media.
List <AudioMedia> local = new List <AudioMedia>();
local.AddRange(_audioMedias);
local.AddRange(caller.AudioMedia);
// For each call.
for (int i = 0; i < local.Count; i++)
{
// Get first group.
AudioMedia mediaCall_1 = local[i];
// For each call.
for (int j = 0; j < local.Count; j++)
{
// Get second group.
AudioMedia mediaCall_2 = local[j];
// If the two audio media are not equal.
if (mediaCall_1.GetPortId() != mediaCall_2.GetPortId())
{
// Stop these two calls from communicating.
mediaCall_1.StopTransmit(mediaCall_2);
}
}
}
}
/// <summary>
/// Send DTMF digits to remote using RFC 2833 payload formats.
/// </summary>
/// <param name="call">The current call.</param>
/// <param name="digits">DTMF string digits to be sent.</param>
public void DialDtmf(Param.CallParam call, string digits)
{
// If created.
if (_created)
{
call.DialDtmf(digits);
}
else
{
throw new Exception("Create the account first.");
}
}
/// <summary>
/// Send DTMF digits to remote using RFC 2833 payload formats.
/// </summary>
/// <param name="call">The current call.</param>
/// <param name="digits">DTMF string digits to be sent.</param>
public void DialDtmf(Param.CallParam call, string digits)
{
call.DialDtmf(digits);
}