gistfile1.java

public class SipStackAndroid implements SipListener {

protected SipStackAndroid() {
	initialize();
}

public static SipStackAndroid getInstance() {
	if (instance == null) {
		instance = new SipStackAndroid();
	}
	return instance;
}

private static void initialize() {
	localIp = getIPAddress(true);
	localEndpoint = localIp + ":" + localPort;
	remoteEndpoint = remoteIp + ":" + remotePort;
	sipStack = null;
	sipFactory = SipFactory.getInstance();
	sipFactory.setPathName("com.telestax");
	Properties properties = new Properties();
	properties.setProperty("tavax.sip.OUTBOUND_PROXY", remoteEndpoint + "/"
			+ transport);
	properties.setProperty("tavax.sip.STACK_NAME", "androidSip");
	try {
		// Create SipStack object
		sipStack = sipFactory.createSipStack(properties);
		System.out.println("createSipStack " + sipStack);
	} catch (PeerUnavailableException e) {
		e.printStackTrace();
		System.err.println(e.getMessage());
		System.exit(0);
	}
	try {
		headerFactory = sipFactory.createHeaderFactory();
		addressFactory = sipFactory.createAddressFactory();
		messageFactory = sipFactory.createMessageFactory();
		udpListeningPoint = sipStack.createListeningPoint(localIp,
				localPort, transport);
		sipProvider = sipStack.createSipProvider(udpListeningPoint);
		sipProvider.addSipListener(SipStackAndroid.getInstance());
		// this.send_register();
	} catch (PeerUnavailableException e) {
		e.printStackTrace();
		System.err.println(e.getMessage());
		System.exit(0);
	} catch (Exception e) {
		System.out.println("Creating Listener Points");
		System.out.println(e.getMessage());
		e.printStackTrace();
	}
}
}