Complex sentence: SailFin is an open source Java application server project led by Sun Microsystems implementing the JCP SIP Servlet 1.1 (JSR 289) specification integrated with the open source Java EE application server GlassFish.
Split into simpler sentences: SailFin is an open-source Java application server project led by Sun Microsystems. It implements the JCP SIP Servlet 1.1 (JSR 289) specification integrated with the open-source Java EE application server GlassFish.