gistfile1.java

private void send_register() {
	try {
		System.out.println();
		SipStackAndroid.getInstance();
		AddressFactory addressFactory = SipStackAndroid.addressFactory;
		SipStackAndroid.getInstance();
		SipProvider sipProvider = SipStackAndroid.sipProvider;
		SipStackAndroid.getInstance();
		MessageFactory messageFactory = SipStackAndroid.messageFactory;
		SipStackAndroid.getInstance();
		HeaderFactory headerFactory = SipStackAndroid.headerFactory;
		// Create addresses and via header for the request
		Address fromAddress = addressFactory.createAddress("sip:"
				+ SipStackAndroid.sipUserName + "@" + SipStackAndroid.remoteIp);
		fromAddress.setDisplayName(SipStackAndroid.sipUserName);
		Address toAddress = addressFactory.createAddress("sip:"
				+ SipStackAndroid.sipUserName + "@" + SipStackAndroid.remoteIp);
		toAddress.setDisplayName(SipStackAndroid.sipUserName);
			Address contactAddress = createContactAddress();
		ArrayList<ViaHeader> viaHeaders = createViaHeader();
		URI requestURI = addressFactory.createAddress(
				"sip:" + SipStackAndroid.remoteEndpoint).getURI();
		// Build the request
		final Request request = messageFactory.createRequest(requestURI,
				Request.REGISTER, sipProvider.getNewCallId(),
				headerFactory.createCSeqHeader(1l, Request.REGISTER),
				headerFactory.createFromHeader(fromAddress, "c3ff411e"),
				headerFactory.createToHeader(toAddress, null), viaHeaders,
				headerFactory.createMaxForwardsHeader(70));
			// Add the contact header
		request.addHeader(headerFactory.createContactHeader(contactAddress));
		ExpiresHeader eh = headerFactory.createExpiresHeader(300);
		request.addHeader(eh);
		// Print the request
		System.out.println(request.toString());
			// Send the request --- triggers an IOException
		// sipProvider.sendRequest(request);
		ClientTransaction transaction = sipProvider
				.getNewClientTransaction(request);
		// Send the request statefully, through the client transaction.
		transaction.sendRequest();
	} catch (Exception e) {
		e.printStackTrace();
	}
}