With this article I will outlines the SIP servlet creation and various call routing logic development. A simple proxy SIP ser vlet application also has 4 parts Extension SIP servlet Classand global var declaration public class VoiceCall extends SipServlet{ public ServletContext context; SipApplicationSession sas; public SipFactory factory; SipServletRequest incoming; public static final Log log = … Continue reading SIP Servlets – Develop and Deploy