RTOS, Embedded Linux, Real-Time Operating System and DO-178B: LynuxWorks

MultiMedia Communications eXchange Server (MMCX) from Lucent
Applying familiar telephone features to multimedia calls involving voice, data, image and video

 

 

The MMCX (MultiMedia Communications eXchange Server) is a client-server system which links existing voice and data networks so that multimedia calls involving voice, data, image and video can be conferenced or transferred like regular phone calls. Byte Magazine awarded the MMCX five stars for technology and four stars for implementation.

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Lucent chose the LynxOS RTOS for its ability to support deterministic, real-time functionality. "The MMCX requires multi-threading, and accomplishes many tasks simultaneously, like taking information from a LAN and transmitting it to a conference call on a PBX," said Joy Pinsky, general manager for the MMCX. "Customer expectations for multi-media applications—especially in the voice arena—make real-time functionality a must-have. Without it, quality of service would be totally unacceptable."

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