The SIP Servlet Specification (Java Specification Request 116), developed through the Java Community Process, provides a standard Java API programming model for delivering SIP-based services.

JSDK (Java Servlet Development Kit) is a package containing all the classes and interfaces needed to develop servlets. JSDK also contains a web server and servlet engine to test your creations. The ...

JSR 289: SIP Servlet v1.1 updates the SIP Servlet API and defines a standard application programming model to mix SIP servlets and Java EE components.