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DIALOGIC ANNOUNCES SIGNAL COMPUTING SYSTEM ARCHITECTURE; INDUSTRY'S FIRST OPEN ARCHITECTURE FOR COMMUNICATIONS APPLICATIONS

 NEW YORK, March 2 /PRNewswire/ -- Dialogic Corporation -- in conjunction with more than 70 supporters including IBM, Siemens, Tandem and NEC -- today introduced Signal Computing System Architecture(TM) (SCSA)(TM), a comprehensive open architecture for building distributed communications systems using multiple technologies.
 Created with input from leading computer and telecommunications manufacturers, call processing developers and software suppliers, SCSA is a multilayered open architecture that extends existing industry standards, enabling open development of scalable communications systems, encompassing voice, data and image technologies. This standards-based approach also allows for a clear migration path as advances in both hardware and software technology emerge.
 "SCSA brings order to today's chaos of different call processing platforms, operating systems and environments. It is a blueprint for a new generation of technology that will radically expand the applications for call processing to encompass more powerful business communications services," said Howard Bubb, chief operating officer, Dialogic. "SCSA will enable the development of high-performance systems linking communications and computing technologies, and offering innovative solutions to meet real business needs."
 Need for Industry Standard
 Signal Computing System Architecture directly addresses the market demand for providing interoperability and scalability among multiple technologies. The term "signal computing" refers to the technologies for converting various signals into useful information like voice store and forward, fax, speech recognition, and speech synthesis. Signal Computing System Architecture defines specifications for building communications systems that take advantage of signal computing technologies.
 With SCSA, technology suppliers from different fields can more rapidly introduce flexible, compatible products that provide advances in audio, data, image, transmission and switching technology in a cost- effective manner.
 "The industry believes that the SCSA standard will greatly enhance the ability of OEMs and VARs to deliver cost-effective voice processing solutions in two directions -- by expanding the capacity of a platform across multiple hosts, and by making a wide variety of vendors' products compatible," said Bob Edgar, president, Parity Software.
 Key Elements
 The SCSA specification describes the functional levels of the architecture as well as documents open interfaces between levels. The specification includes several technology advances that will both simplify system design and enable systems that satisfy a broader range of business communications needs. SCSA's open interface specifications include:
 -- SCbus, a digital resource sharing bus with 131Mbps bandwidth and up to 2048 timeslots, separate signaling channel, and features like timeslot synchronization to allow for high-bandwidth technologies like full-motion, real-time video. The design is also suitable for implementation on other platforms in addition to the PC platform. An SCbus integrated circuit has been developed and will be available through VLSI Technology, Inc. and other distributors.
 -- SCxbus, an inter-node bus that can link single nodes together to create multi-node, distributed systems.
 -- Hardware/Firmware Services, specifying timeslot management and messaging protocol to control the signalling channel, as well as the host interface.
 -- Device Driver Services, device-independent code eliminating the need for developing custom device drivers for individual products, simplifying application development.
 -- Object-oriented Application Program Interfaces, to insulate application from the underlying feature modules and allow for development of customized application development tools.
 -- ServerAPI, a byte stream protocol for controlling system resources from a remote host for powerful, integrated applications for client server environments.
 "SCSA provides the ability for software providers to have a generic interface to voice technology. This means that the cost of software development will be greatly reduced, and that Voice Response Unit providers now only need to develop one standard interface, as opposed to the many of the past. Simply put, SCSA allows us to be more competitive in the VRU market," stated C.C. Whieldon, vice president, technical support and engineering, Vicorp International Services NV/SA.
 Telecomputing
 SCSA will enable the development of an entirely new generation of technology called Telecomputing. Telecomputing allows users to manage all types of communications -- voice, email, fax, data or video -- in a unified fashion.
 "SCSA offers the call processing industry unprecedented bandwidth required for revolutionary new applications in the areas of voice, image and data processing. Siemens will work closely with Dialogic to create a truly innovative system solution," said Namraj Johal, product marketing manager, Siemens Components, which provides the signaling controller component for the SCbus.
 In addition to representing a standard for bringing together dissimilar technologies, the SCbus IC has compatibility modes with Siemens' PCM Highway and Dialogic's PEB(TM) bus and with products designed for MITEL's ST-Bus(TM), like Natural MicroSystems' MVIP(TM).
 "SCSA's support of both PEB and MVIP buses, as well as SCSA's non- proprietary open architecture interface points, will truly facilitate the integration of voice, image and data processing technologies," said Desmond Pieri, vice president sales and marketing, Voice Processing Corporation.
 The SCSA specifications are documented in the SCSA Specification Manual. The manual is available from Dialogic to anyone without a license requirement for $125, which covers the cost for revision control for one year. Specifications for certain levels are still in a preliminary form and SCSA Supporters are being asked to provide feedback before the specification is finalized.
 Founded in 1983, Dialogic Corporation is the world's leading manufacturer of PC-based call processing hardware and software platforms with more than 700,000 ports installed worldwide. Dialogic has offices throughout the United States and around the globe, with corporate headquarters in Parsippany, N.J.
 Note: Dialogic is a registered trademark of Dialogic Corporation. Signal Computing System Architecture and SCSA are trademarks of Dialogic Corporation. ST-Bus is a trademark of Mitel Corporation. MVIP is a trademark of Natural MicroSystems Corporation.
 -0- 3/2/93
 /CONTACT: Terry Henry of Dialogic Corp., 201-334-8450, or Michele Macauley of Kahn Communications Group, 212-889-0202, for Dialogic Corp./


CO: Dialogic Corporation ST: New York IN: CPR SU: PDT

CK-LO -- NY057 -- 1940 03/02/93 12:11 EST
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