basic sip servlet start template occas

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.servlet.sip.SipServletRequest;
import javax.servlet.sip.annotation.Invite;
import javax.servlet.sip.annotation.SipServlet;
import java.util.logging.Logger;

@SipServlet(name="MySipServlet", loadOnStartup = 1)
public class MySipServlet {

    private final Logger l = Logger.getLogger(MySipServlet.class.getName());

    @PostConstruct
    public void init() {

        l.info("PostConstruct MySipServlet ...");
    }

    @PreDestroy
    public void destroy() {
        l.info("PreDestroy MySipServlet ...");
    }

    @Invite
    public void handleInvite(SipServletRequest req) {
        l.info("Received Invite ...");

    }

}