Java SIP toolkit is a powerful and highly versatile set of tools designed to simplify and dramatically reduce development time of Java-based SIP applications, such as Click to talk, Virtual Call Centers, Web Soft-Phones, and SIP related infrastructure based elements, such as SIP Proxies and SIP Registrars. Implementing J2SE technology, the high performance Java SIP toolkit is IETF and JCP standards-compliant and provides multiple API layers for full user control and flexibility. The Java SIP toolkit delivers superior performance, performing one scale faster than similar solutions–while never compromising Java’s inherent ease-of-use. The Java SIP toolkit is based on RADVISION’s industry-leading SIP toolkit, an interoperable, market-proven solution used by hundreds of customers