speaker phone with JTapi

package exa.tel;

/*
* JSpeakerPhone.java
*
* Created on July 14, 2002, 8:38 AM
*/
import javax.telephony.*;
import javax.telephony.events.*;
import javax.telephony.media.*;
/*
*  XTAPI JTapi implementation
*  Copyright (C) 2002 Steven A. Frare
*
*  This program is free software; you can redistribute it and/or
*  modify it under the terms of the GNU General Public License
*  as published by the Free Software Foundation; either version 2
*  of the License, or (at your option) any later version.
*
*  This program is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program; if not, write to the Free Software
*  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*
* @author  Steven A. Frare
* @version .01
*
* This example is derived from the JSoftPhone example.
* This is not the simplest way to make a speaker phone with JTapi.  For the
* simplest speaker phone see the DesktopCall example in the JTapi 1.2 spec.
* Source for DesktopCall is also in the XTAPI CVS at:
* http://sourceforge.net/projects/xtapi
*/

// Provider around line 584
public class JSpeakerPhone extends javax.swing.JFrame implements CallObserver {

    private Provider myprovider = null;
    private Terminal m_terminal = null;
    private Call m_call = null;
    private Connection m_connections[] = null;
    private TerminalConnection m_terminalConnection = null;
    private TerminalConnection m_destTerminalConnection = null;
    private boolean bOrig = false;  // Did we originate this call?
    private boolean m_speakerPhone = false; // Speakerphone enabled?

    /** Creates new form JSpeakerPhone */
    public JSpeakerPhone() {
        initComponents();
        btnCall.setMnemonic('c');
        btnAnswer.setMnemonic('a');
        btnHangup.setMnemonic('h');
        pack();

        java.awt.Rectangle r = getBounds();
        setBounds(r);
        setResizable(false);

        java.awt.Toolkit oToolkit = java.awt.Toolkit.getDefaultToolkit();
        java.awt.Dimension d = oToolkit.getScreenSize();
        setLocation((d.width / 2) - (r.width / 2), (d.height / 2) - (r.height / 2));

        setTitle("JSpeakerPhone");

    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the FormEditor.
     */
    private void initComponents() {//GEN-BEGIN:initComponents
        jPanel1 = new javax.swing.JPanel();
        btn1 = new javax.swing.JButton();
        btn2 = new javax.swing.JButton();
        btn3 = new javax.swing.JButton();
        btn4 = new javax.swing.JButton();
        btn5 = new javax.swing.JButton();
        btn6 = new javax.swing.JButton();
        btn7 = new javax.swing.JButton();
        btn8 = new javax.swing.JButton();
        btn9 = new javax.swing.JButton();
        btnPound = new javax.swing.JButton();
        btn0 = new javax.swing.JButton();
        btnStar = new javax.swing.JButton();
        jPanel2 = new javax.swing.JPanel();
        lstLines = new javax.swing.JComboBox();
        jPanel9 = new javax.swing.JPanel();
        txtPhone = new javax.swing.JTextField();
        lblMisc = new javax.swing.JLabel();
        jPanel3 = new javax.swing.JPanel();
        btnCall = new javax.swing.JButton();
        btnAnswer = new javax.swing.JButton();
        btnHangup = new javax.swing.JButton();
        jPanel4 = new javax.swing.JPanel();
        jPanel7 = new javax.swing.JPanel();
        lblOrigConnState = new javax.swing.JLabel();
        jPanel8 = new javax.swing.JPanel();
        lblOrigTConnState = new javax.swing.JLabel();
        jPanel5 = new javax.swing.JPanel();
        lblConnState = new javax.swing.JLabel();
        jPanel6 = new javax.swing.JPanel();
        lblTermConnState = new javax.swing.JLabel();
        addWindowListener(new java.awt.event.WindowAdapter() {

            @Override
            public void windowClosing(java.awt.event.WindowEvent evt) {
                exitForm(evt);
            }

            @Override
            public void windowActivated(java.awt.event.WindowEvent evt) {
                formWindowActivated(evt);
            }
        });

        jPanel1.setLayout(new java.awt.GridLayout(4, 3));

        btn1.setText("1");
        btn1.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });
        jPanel1.add(btn1);


        btn2.setText("2");
        btn2.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });
        jPanel1.add(btn2);


        btn3.setText("3");
        btn3.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton3ActionPerformed(evt);
            }
        });
        jPanel1.add(btn3);


        btn4.setText("4");
        btn4.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton4ActionPerformed(evt);
            }
        });
        jPanel1.add(btn4);


        btn5.setText("5");
        btn5.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton5ActionPerformed(evt);
            }
        });
        jPanel1.add(btn5);


        btn6.setText("6");
        btn6.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton6ActionPerformed(evt);
            }
        });
        jPanel1.add(btn6);


        btn7.setText("7");
        btn7.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton7ActionPerformed(evt);
            }
        });
        jPanel1.add(btn7);


        btn8.setText("8");
        btn8.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton8ActionPerformed(evt);
            }
        });
        jPanel1.add(btn8);


        btn9.setText("9");
        btn9.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton9ActionPerformed(evt);
            }
        });
        jPanel1.add(btn9);


        btnPound.setText("#");
        btnPound.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton10ActionPerformed(evt);
            }
        });
        jPanel1.add(btnPound);


        btn0.setText("0");
        btn0.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton11ActionPerformed(evt);
            }
        });
        jPanel1.add(btn0);


        btnStar.setText("*");
        btnStar.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton12ActionPerformed(evt);
            }
        });
        jPanel1.add(btnStar);


        getContentPane().add(jPanel1, java.awt.BorderLayout.WEST);


        jPanel2.setLayout(new java.awt.GridLayout(2, 1));

        lstLines.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {
                lstLinesActionPerformed(evt);
            }
        });
        lstLines.addPropertyChangeListener(new java.beans.PropertyChangeListener() {

            public void propertyChange(java.beans.PropertyChangeEvent evt) {
                lstLinesPropertyChange(evt);
            }
        });
        jPanel2.add(lstLines);


        jPanel9.setLayout(new java.awt.GridLayout(1, 2));

        jPanel9.add(txtPhone);


        lblMisc.setText("N/A");
        jPanel9.add(lblMisc);

        jPanel2.add(jPanel9);


        getContentPane().add(jPanel2, java.awt.BorderLayout.NORTH);


        jPanel3.setLayout(new java.awt.GridLayout(3, 1));

        btnCall.setText("Call");
        btnCall.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnCallActionPerformed(evt);
            }
        });
        jPanel3.add(btnCall);


        btnAnswer.setText("Answer");
        btnAnswer.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnAnswerActionPerformed(evt);
            }
        });
        jPanel3.add(btnAnswer);


        btnHangup.setText("Hangup");
        btnHangup.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnHangupActionPerformed(evt);
            }
        });
        jPanel3.add(btnHangup);


        getContentPane().add(jPanel3, java.awt.BorderLayout.EAST);


        jPanel4.setLayout(new java.awt.GridLayout(2, 2));

        jPanel7.setBorder(new javax.swing.border.SoftBevelBorder(1));

        lblOrigConnState.setText("N/A");
        jPanel7.add(lblOrigConnState);

        jPanel4.add(jPanel7);


        jPanel8.setBorder(new javax.swing.border.SoftBevelBorder(1));

        lblOrigTConnState.setText("N/A");
        jPanel8.add(lblOrigTConnState);

        jPanel4.add(jPanel8);


        jPanel5.setBorder(new javax.swing.border.SoftBevelBorder(1));

        lblConnState.setText("N/A");
        jPanel5.add(lblConnState);

        jPanel4.add(jPanel5);


        jPanel6.setBorder(new javax.swing.border.SoftBevelBorder(1));

        lblTermConnState.setText("N/A");
        jPanel6.add(lblTermConnState);

        jPanel4.add(jPanel6);


        getContentPane().add(jPanel4, java.awt.BorderLayout.SOUTH);

    }//GEN-END:initComponents

    private void btnHangupActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnHangupActionPerformed
// Add your handling code here:

        try {
            if (true == bOrig) {
                m_connections[0].disconnect();
            } else {
                m_connections[1].disconnect();
            }
        } catch (Exception e) {
            System.out.println("Hangup Error: " + e.toString());
        }

        // Take a nap for an arbitrary amount of time and see if we get any events.
        int timeOut = 0;
        while (timeOut < 10) {
            try {
                Thread.currentThread().sleep(20);
                timeOut++;
            } catch (Exception excp) {
                System.out.println("Event wait error: " + excp.toString());
            }
        }

        // Reset our member vars.
        m_call = null;
        m_connections = null;
        m_terminalConnection = null;
        m_destTerminalConnection = null;
        lblMisc.setText("N/A");
        setTitle("JSpeakerPhone");
        lstLines.enable(true);
        m_speakerPhone = false;

    }//GEN-LAST:event_btnHangupActionPerformed

    private void btnAnswerActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnAnswerActionPerformed
// Add your handling code here:
        if (null == m_terminalConnection) {
            javax.swing.JOptionPane.showMessageDialog(
                    this, "No TerminalConnection is available.");
        } else {
            /* Answer the telephone Call using "inner class" thread */
            try {
                final TerminalConnection _tc = m_destTerminalConnection;
                Runnable r = new Runnable() {

                    public void run() {
                        try {
                            _tc.answer();
                        } catch (Exception excp) {
                            // handle answer exceptions
                            System.out.println(excp.toString());
                        }
                    }

                    ;
                };
                Thread T = new Thread(r);
                T.start();
            } catch (Exception excp) {
                // Handle Exceptions;
                System.out.println("Exception in btnAnswerActionPerformed: " + excp.toString());
            }
        }
    }//GEN-LAST:event_btnAnswerActionPerformed

    private void formWindowActivated(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_formWindowActivated
// Add your handling code here:
        txtPhone.requestFocus();
    }//GEN-LAST:event_formWindowActivated

    private void btnCallActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnCallActionPerformed
// Add your handling code here:

        // Create the telephone call object and add an observer.
        if (null != m_terminal) {
            if (null == m_call) {
                try {
                    m_call = myprovider.createCall();
                    m_call.addObserver(this);
                } catch (Exception excp) {
                    // Handle exceptions
                    System.err.println("Exception creating call: " + excp);
                }

                try {
                    Address[] a = m_terminal.getAddresses();
                    m_connections = m_call.connect(m_terminal, a[0], txtPhone.getText());
                } catch (Exception excp) {
                    System.out.println("Exception placing call: " + excp.toString());
                }

                try {

                    TerminalConnection[] tc = m_connections[1].getTerminalConnections();
                    m_destTerminalConnection = tc[0];
                    Terminal t = m_destTerminalConnection.getTerminal();

                    tc = m_connections[0].getTerminalConnections();
                    m_terminalConnection = tc[0];

                    t.addCallObserver(this);

                } catch (Exception e) {
                    System.out.println("Exception getting remote terminal");
                }
                bOrig = true;

                lstLines.enable(false);
            } else {
                javax.swing.JOptionPane.showMessageDialog(
                        this, "Please hangup the current call first.");
            }
        } else {
            javax.swing.JOptionPane.showMessageDialog(
                    this, "Please select a valid Terminal first.");
        }
    }//GEN-LAST:event_btnCallActionPerformed

    private void lstLinesActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_lstLinesActionPerformed
// Add your handling code here:
        javax.swing.JComboBox j = (javax.swing.JComboBox) evt.getSource();

        try {
            if (null != m_terminal) {
                m_terminal.removeCallObserver(this);
            }
        } catch (Exception e) {
        }//ignore the error

        m_terminal = (Terminal) j.getSelectedItem();

        try {
            m_terminal.addCallObserver(this);
        } catch (Exception e) {
            javax.swing.JOptionPane.showMessageDialog(
                    this, "Unable to add a CallObserver to the selected Terminal.");
        }
        //System.out.println("Selected Terminal " + m_terminal);
    }//GEN-LAST:event_lstLinesActionPerformed

    private void lstLinesPropertyChange(java.beans.PropertyChangeEvent evt) {//GEN-FIRST:event_lstLinesPropertyChange
// Add your handling code here:
    }//GEN-LAST:event_lstLinesPropertyChange

    private void jButton12ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton12ActionPerformed
// Add your handling code here:
        txtPhone.setText(txtPhone.getText() + "*");
    }//GEN-LAST:event_jButton12ActionPerformed

    private void jButton11ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton11ActionPerformed
// Add your handling code here:
        txtPhone.setText(txtPhone.getText() + "0");
    }//GEN-LAST:event_jButton11ActionPerformed

    private void jButton10ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton10ActionPerformed
// Add your handling code here:
        txtPhone.setText(txtPhone.getText() + "#");
    }//GEN-LAST:event_jButton10ActionPerformed

    private void jButton9ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton9ActionPerformed
// Add your handling code here:
        txtPhone.setText(txtPhone.getText() + "9");
    }//GEN-LAST:event_jButton9ActionPerformed

    private void jButton8ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton8ActionPerformed
// Add your handling code here:
        txtPhone.setText(txtPhone.getText() + "8");
    }//GEN-LAST:event_jButton8ActionPerformed

    private void jButton7ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton7ActionPerformed
// Add your handling code here:
        txtPhone.setText(txtPhone.getText() + "7");
    }//GEN-LAST:event_jButton7ActionPerformed

    private void jButton6ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton6ActionPerformed
// Add your handling code here:
        txtPhone.setText(txtPhone.getText() + "6");
    }//GEN-LAST:event_jButton6ActionPerformed

    private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton5ActionPerformed
// Add your handling code here:
        txtPhone.setText(txtPhone.getText() + "5");
    }//GEN-LAST:event_jButton5ActionPerformed

    private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton4ActionPerformed
// Add your handling code here:
        txtPhone.setText(txtPhone.getText() + "4");
    }//GEN-LAST:event_jButton4ActionPerformed

    private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed
// Add your handling code here:
        txtPhone.setText(txtPhone.getText() + "3");
    }//GEN-LAST:event_jButton3ActionPerformed

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
// Add your handling code here:
        txtPhone.setText(txtPhone.getText() + "2");
    }//GEN-LAST:event_jButton2ActionPerformed

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
// Add your handling code here:
        txtPhone.setText(txtPhone.getText() + "1");
    }//GEN-LAST:event_jButton1ActionPerformed

    /** Exit the Application */
    private void exitForm(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_exitForm
        try {
            myprovider.shutdown();
        } catch (Exception e) {
        }
        System.exit(0);
    }//GEN-LAST:event_exitForm

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        JSpeakerPhone o = new JSpeakerPhone();
        java.awt.Cursor cursor = o.getCursor();
        o.show();

        o.setCursor(WAIT_CURSOR);
        o.initJTapi();
        o.setCursor(cursor);

    }

    private void initJTapi() {
        try {
            JtapiPeer peer = JtapiPeerFactory.getJtapiPeer(
                    "net.xtapi.XJtapiPeer");
            myprovider = peer.getProvider("MSTAPI");
           // myprovider = peer.getProvider("net.xtapi.serviceProvider.OpenH323");
            Terminal[] t = myprovider.getTerminals();

            for (int loop = 0; loop < t.length; loop++) {
                System.out.println(t[loop]);
                lstLines.insertItemAt(t[loop], loop);
            }
        } catch (Exception excp) {
            javax.swing.JOptionPane.showMessageDialog(
                    this, "Can not get a provider.");
        }
    }

    /**
     * Reports all events associated with the Call object. This method passes
     * an array of CallEv objects as its arguments which correspond to the list
     * of events representing the changes to the Call object as well as changes
     * to all of the Connection and TerminalConnection objects associated with
     * this Call.
     * <p>
     * @param eventList The list of Call events.
     */
    public void callChangedEvent(CallEv[] eventList) {
        if (m_call == null) {
            bOrig = false;
            setMVars(eventList[0].getCall());
        }
        //System.out.println("callChangedEvent");

        for (int i = 0; i < eventList.length; i++) {

            if (eventList[i] instanceof TermConnEv) {
                terminalEvent(eventList[i], true);
            } else if (eventList[i] instanceof ConnEv) {
                connectionEvent(eventList[i]);
            } else {
                System.out.println("Unknown callChangedEvent");
            }
        }

        if ((m_terminalConnection != null) && (m_destTerminalConnection != null)) {
            int loop = 0;

            for (loop = 0; loop < m_connections.length; loop++) {
                if (m_connections[loop].getState() != ConnConnectedEv.ID) {
                    break;
                }
            }

            if (loop == m_connections.length) {
                if (m_speakerPhone == false) {
                    m_speakerPhone = true;
                    MediaTerminalConnection mtc = null;

                    try {

                        if (true == bOrig) {
                            mtc = (MediaTerminalConnection) m_terminalConnection;
                        } else {
                            mtc = (MediaTerminalConnection) m_destTerminalConnection;

                        }
                        /**
                         * This assumes you are using a full duplex Service
                         * Provider such as XOpenH323!  If not ...
                         */
                        mtc.useDefaultMicrophone();
                        mtc.startPlaying();
                        mtc.useDefaultSpeaker();
                        mtc.startRecording();

                    } catch (Exception e) {
                        System.out.println("Exception enabling speakerphone: "
                                + e.toString());
                        m_speakerPhone = false;
                    }
                }
            }
        }
    }

    private void setMVars(Call c) {
        m_call = c;
        try {


            m_connections = c.getConnections();

            TerminalConnection[] tc;

            if (bOrig == false) {
                m_call.addObserver(this);
                tc = m_connections[0].getTerminalConnections();
                m_terminalConnection = tc[0];
                Terminal t = m_terminalConnection.getTerminal();
                t.addCallObserver(this);
            }

            // We already have the m_terminalConnection var, we now need the
            // remote terminal connection.  Since m_call had to be null for us
            // to get here we did not place this call.  So the remote connection
            // is the origination connection which is always the first connection
            // the the m_connections array.
            tc = m_connections[1].getTerminalConnections();
            m_destTerminalConnection = tc[0];

            setConnectionLabel(false, m_connections[1].getState());
            setConnectionLabel(true, m_connections[0].getState());

            lstLines.enable(false);

        } catch (Exception e) {
            System.out.println("Error in setMVars: " + e.toString());
        }
    }

    private void connectionEvent(CallEv evt) {
        try {
            if (m_connections != null) {
                setConnectionLabel(false, m_connections[1].getState());
                setConnectionLabel(true, m_connections[0].getState());
            }

        } catch (Exception e) {
            System.out.println("Exception in connectionEvent: " + e.toString());
        }
    }

    public void terminalEvent(CallEv evt, boolean bEvent) {
        // We want to display the Origination and destination
        // TerminalConnection events. 

        //Origination
        setTerminalConnLabel(true, m_terminalConnection.getState());

        //Destination
        setTerminalConnLabel(false, m_destTerminalConnection.getState());

    }

    private void setConnectionLabel(boolean orig, int state) {
        switch (state) {
            case ConnAlertingEv.ID:
                if (!orig) {
                    lblConnState.setText("ALERTING");
                } else {
                    lblOrigConnState.setText("ALERTING");
                }
                break;

            case ConnInProgressEv.ID:
                if (!orig) {
                    lblConnState.setText("INPROGRESS");
                } else {
                    lblOrigConnState.setText("INPROGRESS");
                }
                break;

            case ConnConnectedEv.ID:
                if (!orig) {
                    lblConnState.setText("CONNECTED");
                } else {
                    lblOrigConnState.setText("CONNECTED");
                }
                break;

            case ConnDisconnectedEv.ID:
                if (!orig) {
                    lblConnState.setText("DISCONNECTED");
                } else {
                    lblOrigConnState.setText("DISCONNECTED");
                    m_call = null;
                }
                break;

            case ConnUnknownEv.ID:
                if (!orig) {
                    lblConnState.setText("UNKNOWN");
                } else {
                    lblOrigConnState.setText("UNKNOWN");
                    m_call = null;
                }
                break;

            // Connections start out in the IDLE state when they
            // are created.
            case ConnCreatedEv.ID:
                if (!orig) {
                    lblConnState.setText("IDLE");
                } else {
                    lblOrigConnState.setText("IDLE");
                }
                break;

            default:
                if (!orig) {
                    lblConnState.setText("UNKNOWN ID: " + state);
                } else {
                    lblOrigConnState.setText("UNKNOWN ID: " + state);
                }
                break;
        }
    }

    @SuppressWarnings("static-access")
    private void setTerminalConnLabel(boolean orig, int state) {
        switch (state) {
            case TermConnActiveEv.ID:
                if (!orig) {
                    lblTermConnState.setText("ACTIVE");
                } else {
                    lblOrigTConnState.setText("ACTIVE");
                }
                break;

            case TermConnRingingEv.ID:

                if (!orig) {
                    lblTermConnState.setText("RINGING");

                    /**
                     * Caller ID:
                     * Caller ID in the US comes between the first and second
                     * ring.  There is no guarantee that the provider will send
                     * it then so just set the label on every ring.
                     *
                     * Even though XTAPI sends multiple ringing events that is
                     * not within the JTAPI 1.2 spec. and will eventually be
                     * removed.  How to get it then?  I don't know use a timer
                     * I suppose or implement the phone package which has a
                     * method that can be called to return the current ring
                     * count.
                     */
                    try {
                        // With the H323 Provider we only get one shot at
                        // grabbing caller id, lets not miss it so wait a moment
                        // and grab it!
                        Thread.currentThread().sleep(100);
                    } catch (Exception e) {
                    }
                    Terminal t = m_terminalConnection.getTerminal();
                    Address a[] = t.getAddresses();

                    // For the callers name
                    setTitle(t.getName());

                    // For the callers phone number
                    lblMisc.setText(a[0].getName());
                } else {
                    lblOrigTConnState.setText("RINGING");
                }
                break;

            case TermConnDroppedEv.ID:
                if (!orig) {
                    lblTermConnState.setText("DROPPED");
                } else {
                    lblOrigTConnState.setText("DROPPED");
                }
                break;

            case TermConnUnknownEv.ID:
                if (!orig) {
                    lblTermConnState.setText("UNKNOWN");
                } else {
                    lblOrigTConnState.setText("UNKNOWN");
                }
                break;

            // Terminal Connections start out in the IDLE state when they
            // are created.
            case TermConnCreatedEv.ID:
                if (!orig) {
                    lblTermConnState.setText("IDLE");
                } else {
                    lblOrigTConnState.setText("IDLE");
                }
                break;

            default:
                if (!orig) {
                    lblTermConnState.setText("UNKNOWN ID: " + state);
                } else {
                    lblOrigTConnState.setText("UNKNOWN ID: " + state);
                }
                break;
        }

    }
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JPanel jPanel1;
    private javax.swing.JButton btn1;
    private javax.swing.JButton btn2;
    private javax.swing.JButton btn3;
    private javax.swing.JButton btn4;
    private javax.swing.JButton btn5;
    private javax.swing.JButton btn6;
    private javax.swing.JButton btn7;
    private javax.swing.JButton btn8;
    private javax.swing.JButton btn9;
    private javax.swing.JButton btnPound;
    private javax.swing.JButton btn0;
    private javax.swing.JButton btnStar;
    private javax.swing.JPanel jPanel2;
    private javax.swing.JComboBox lstLines;
    private javax.swing.JPanel jPanel9;
    private javax.swing.JTextField txtPhone;
    private javax.swing.JLabel lblMisc;
    private javax.swing.JPanel jPanel3;
    private javax.swing.JButton btnCall;
    private javax.swing.JButton btnAnswer;
    private javax.swing.JButton btnHangup;
    private javax.swing.JPanel jPanel4;
    private javax.swing.JPanel jPanel7;
    private javax.swing.JLabel lblOrigConnState;
    private javax.swing.JPanel jPanel8;
    private javax.swing.JLabel lblOrigTConnState;
    private javax.swing.JPanel jPanel5;
    private javax.swing.JLabel lblConnState;
    private javax.swing.JPanel jPanel6;
    private javax.swing.JLabel lblTermConnState;
    // End of variables declaration//GEN-END:variables
}