From Forum Nokia Wiki

ID	CS000955	Creation date	May 14, 2008
Platform	S60 3rd Edition, FP1	Tested on devices	Nokia N95 8GB
Category	Java ME	Subcategory	Telephony

Keywords (APIs, classes, methods, functions): javax.microedition.lcdui.TextField

Overview

This snippet demonstrates how to make a phone call by using a TextField. The MIDlet constructs a phone number field and displays it on the screen. The user may enter a phone number into it or obtain one from the Contacts list. After that, he or she can select Options > Call to call that number.

Source

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.TextField;
import javax.microedition.midlet.MIDlet;

public class ExampleMIDlet extends MIDlet implements CommandListener {
    private Command exitCommand;
    private Form mainForm;
 
    /**
     * Constructor. Constructs the object and initializes displayables.
     */
    public ExampleMIDlet() {
        mainForm = new Form("ExampleMIDlet");
 
        // Create a phone number field, which allows a call to be made
        mainForm.append(new TextField("Phone number", null, 20,
                TextField.PHONENUMBER));
 
        exitCommand = new Command("Exit", Command.EXIT, 0);
        mainForm.addCommand(exitCommand);
        mainForm.setCommandListener(this);
    }
 
    /**
     * Called when the MIDlet is started.
     */
    public void startApp() {
        Display.getDisplay(this).setCurrent(mainForm);
    }
 
    // Other inherited methods omitted for brevity
    // ...
 
    /**
     * From CommandListener.
     * Called by the system to indicate that a command has been invoked on a
     * particular displayable.
     * @param command the command that was invoked
     * @param displayable the displayable where the command was invoked
     */
    public void commandAction(Command command, Displayable displayable) {
        if (command == exitCommand) {
            // Exit the MIDlet
            destroyApp(true);
            notifyDestroyed();
        }
    }

Postconditions

A phone number field is displayed on the screen. The user can enter a phone number and select Options > Call to call that number.

See also

• Making a phone call: Platform request