OpenSIPS is a mature implementation of a SIP
server/proxy. It is more than a SIP proxy/router,
as it includes application-level functionalities.
OpenSIPS, as a SIP server, can server as the core
component of any SIP-based VoIP solution.
A markup language processor.
Software to view messages in a queue of a WebSphere MQ (formally MQSeries) queue manager.