private void SIPCallAnswered(SIPClient client)
{
_mediaManager.StartAudio();
this.Invoke(new MethodInvoker(delegate
{
btn_call.Enabled = !btn_call.Enabled;
}));
}
/// Answer an incoming call on the SipClient
/// </summary>
/// <param name="client"></param>
/// <returns></returns>
private async Task AnswerCallAsync(SIPClient client)
{
await client.Answer();
_mediaManager.StartAudio();
//m_answerButton.Visibility = Visibility.Collapsed;
//m_rejectButton.Visibility = Visibility.Collapsed;
//m_redirectButton.Visibility = Visibility.Collapsed;
//m_byeButton.Visibility = Visibility.Visible;
//m_transferButton.Visibility = Visibility.Visible;
//m_holdButton.Visibility = Visibility.Visible;
//m_call2ActionsGrid.IsEnabled = true;
}
private void ResetToCallStartState(SIPClient sipClient)
{
if (sipClient == null)
{
if (IsHandleCreated)
{
this.Invoke((MethodInvoker) delegate()
{
SetStatusText(lbl_status, "Ready");
});
}
else
{
SetStatusText(lbl_status, "Ready");
}
}
}
/// The remote call party has taken us off hold.
/// </summary>
private void RemoteTookOffHold(SIPClient sipClient)
{
SetStatusText(lbl_status, "Taken off hold by remote party.");
//if (sipClient == _sipClients[0])
//{
// Dispatcher.DoOnUIThread(() =>
// {
// m_holdButton.Visibility = Visibility.Visible;
// });
//}
//else if (sipClient == _sipClients[1])
//{
// Dispatcher.DoOnUIThread(() =>
// {
// m_hold2Button.Visibility = Visibility.Visible;
// });
//}
}
/// <summary>
/// The button to initiate an attended transfer request between the two in active calls.
/// </summary>
//private async void AttendedTransferButton_Click(object sender, System.Windows.RoutedEventArgs e)
//{
// bool wasAccepted = await _sipClients[1].AttendedTransfer(_sipClients[0].Dialogue);
// if (!wasAccepted)
// {
// SetStatusText(m_signallingStatus, "The remote call party did not accept the transfer request.");
// }
//}
//private void RedirectButton_Click(object sender, System.Windows.RoutedEventArgs e)
//{
// ResetToCallStartState(_sipClients);
//}
/// <summary>
/// The button to send a blind transfer request to the remote call party.
/// </summary>
//private async void BlindTransferButton_Click(object sender, System.Windows.RoutedEventArgs e)
//{
// var client = (sender == m_transferButton) ? _sipClients[0] : _sipClients[1];
// bool wasAccepted = await client.BlindTransfer(m_uriEntryTextBox.Text);
// if (wasAccepted)
// {
// //TODO: We need to the end the call
// ResetToCallStartState(client);
// }
// else
// {
// SetStatusText(m_signallingStatus, "The remote call party did not accept the transfer request.");
// }
//}
private void RemotePutOnHold(SIPClient sipClient)
{
// We can't put them on hold if they've already put us on hold.
SetStatusText(lbl_status, "Put on hold by remote party.");
//if (sipClient == _sipClients[0])
//{
// Dispatcher.DoOnUIThread(() =>
// {
// m_holdButton.Visibility = Visibility.Collapsed;
// });
//}
//else if (sipClient == _sipClients[1])
//{
// Dispatcher.DoOnUIThread(() =>
// {
// m_hold2Button.Visibility = Visibility.Collapsed;
// });
//}
}
private async Task Initialize()
{
await _sipTransportManager.InitialiseSIP();
var mediaSessionFactory = new RTPMediaSessionManager(_mediaManager, _musicOnHold);
var sipClient = new SIPClient(_sipTransportManager.SIPTransport, mediaSessionFactory);
sipClient.CallAnswer += SIPCallAnswered;
sipClient.CallEnded += ResetToCallStartState;
sipClient.StatusMessage += (client, message) => { SetStatusText(lbl_status, message); };
sipClient.RemotePutOnHold += RemotePutOnHold;
sipClient.RemoteTookOffHold += RemoteTookOffHold;
_sipClients = sipClient;
string listeningEndPoints = null;
foreach (var sipChannel in _sipTransportManager.SIPTransport.GetSIPChannels())
{
SIPEndPoint sipChannelEP = sipChannel.ListeningSIPEndPoint.CopyOf();
sipChannelEP.ChannelID = null;
listeningEndPoints += (listeningEndPoints == null) ? sipChannelEP.ToString() : $", {sipChannelEP}";
}
_sipRegistrationClient = new SIPRegistrationUserAgent(
_sipTransportManager.SIPTransport,
null,
null,
new SIPURI(m_sipUsername, m_sipServer, null, SIPSchemesEnum.sip, SIPProtocolsEnum.udp),
m_sipUsername,
m_sipPassword,
null,
m_sipServer,
new SIPURI(m_sipUsername, IPAddress.Any.ToString(), null),
180,
null,
null,
(message) => { logger.Debug(message); });
_sipRegistrationClient.Start();
}
