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IDT and VoicePump Deliver Complete VoIP / VoDSL Reference Platform for Customer Premises Equipment Market

Two-Chip Solution Simplifies Development Cycle and Accelerates Time to Market

SANTA CLARA, Calif., March 11, 2002 - IDT (Integrated Device Technology, Inc.; Nasdaq: IDTI), a leading communications IC company, and VoicePump, Inc., a wholly owned subsidiary of DSP Group, Inc. (Nasdaq: DSPG), today announced a strategic partnership to deliver a voice-enabled asymmetric digital subscriber line (ADSL) reference platform for customers designing customer premises equipment (CPE). Jointly developed by IDT and VoicePump, the reference platform enables customers to simplify their design process, accelerating the product development and time-to-market cycle for systems that support voice-over-Internet protocol (VoIP) or voice-over-digital subscriber line (VoDSL) technologies.

There are few voice-enabled platforms in the gateway market today. The combination of IDT's RC32355 integrated communications processor and VoicePump's VP140 intelligent CODEC will enable customers to design a cost-effective, flexible platform that supports both data-only gateways and integrated access devices (IADs). As a two-chip solution, this single system architecture approach maximizes software code reuse between several end products, thereby improving time to market. Additionally, customers are able to focus their engineering efforts on value-added features, thus allowing product differentiation.

"VoicePump is partnering with industry-leading integrated communications processor vendor IDT to provide a highly scalable IAD platform that addresses support of data and voice traffic," said Cole Erskine, VoicePump's chief technology officer. "The IDT and VoicePump reference platform offers a solution that our shared customers can integrate with confidence, knowing that the technologies are fully compatible."

The 79RP355V reference platform, consisting of IDT's 79RP355 gateway reference design and VoicePump's VP140 evaluation board, incorporates highly integrated hardware, as well as the necessary firmware for support in the development of VoIP and VoDSL applications. The inclusion of industry-standard input/output (I/O) interfaces on IDT's RC32355 integrated communications processor simplifies connectivity between the wide area network (WAN), the local area network (LAN) and the voice subsystem. The processor's high-performance central processing unit (CPU) core enables value-added capabilities and services for differentiating the end application, offering further system flexibility options and providing an opportunity to add new features to deployed units in the field via download over the network. VoicePump's VP140 intelligent CODEC performs all of the voiceband processing functions required for support of voice channels, including on-chip capabilities for speech compression, echo cancellation and four-channel signaling.

"As a company focused on 'powering what's next,' IDT believes the partnership with VoicePump will help us to be well positioned for the emergence of VoDSL and VoIP technology," said Sandra Chang, strategic alliance program manager for IDT's Internetworking Solutions & Products. "VoicePump's inclusion of digital signal processing (DSP) functionality and traditional telephony circuitry, coupled with the availability of a broad selection of commonly used voice algorithms, provides a low-cost voice subsystem that can be implemented very quickly and efficiently as part of our customers' designs."

IDT's RC32355 Integrated Communications Processor

IDT's RC32355 integrated communications processor is a single-chip solution optimized to address system bandwidth needs with an unprecedented combination of performance, flexibility and integration. Targeted at the CPE market, the RC32355 integrated communications processor is supported by software and tools from market leaders of complementary technology, like VoicePump, to provide a complete hardware and software solution for designers of gateway system equipment.

With the introduction of the RC32355 integrated communications processor, IDT is the first company to successfully integrate ATM, Ethernet, USB and telephony interfaces with a high-performance microprocessor core, while maintaining concurrent wire speed on all interfaces. These capabilities offer designers increased flexibility to meet the system requirements of the CPE market.

VoicePump's VP140

Announced in October 2000, VoicePump's VP140 series is designed to integrate DSP Group's TeakLite® programmable DSP core with all requisite peripherals to perform four packet voice channels on a single processor: program/data memory, host processor interface, analog front end, analog-to-digital and digital-to-analog converters.

The VP100 family also integrates the necessary DSP firmware to perform a comprehensive range of DSP functions, including speech compression and decompression, echo cancellation and associated telephony signaling functions. This integrated silicon/software product offering is ideally suited for use as the voiceband-processing engine of VoDSL IADs and VoIP gateways for small and medium enterprises, as well as residences.

Pricing and Availability

The 79RP355V reference platform is sampling now, with full production quantities from IDT available in June 2002. The reference platform is priced at $5,000. Additional information about the RC32355 integrated communications processor, associated reference boards, and other IDT integrated processors can be found on IDT's Web site. Additional information about the VP140 can be found on VoicePump's Web site.

About IDT

IDT enhances the global network with semiconductor solutions for communications companies that lead innovation and drive convergence in voice, data and wireless networks. IDT is focused on enhancing system bandwidth with communications-specific products including integrated communications processors, IP co-processors and telecom products. The portfolio is also comprised of key foundational products optimized for communications applications, including the industry's broadest selection of FIFOs, multi-ports, and clock management products. In addition, the product mix includes high-performance digital logic and high-speed SRAMs to meet the requirements of leading communications companies.

Headquartered in Santa Clara, Calif., the company employs approximately 3,800 people worldwide and has manufacturing facilities in California and Oregon, and test and assembly facilities in the Philippines and Malaysia. IDT stock is traded on the Nasdaq stock market under the symbol "IDTI." The company is included in the S&P 1000, which is a combination of the S&P MidCap 400 and S&P SmallCap 600 Indices, as well as the Nasdaq-100 Index® (NDX), which includes the largest non-financial companies on the Nasdaq Stock Market®. Additional information about IDT is easily accessible at www.idt.com or on CD-ROM by calling (800) 345-7015. The investor hotline is (408) 654-6420.

About VoicePump

VoicePump, Inc., develops integrated silicon solutions for VoIP, VoDSL and other voice-over-packet applications that incorporate DSP Group's DSP cores and mixed-signal technology. VoicePump's products embed optimized, field-proven speech coding and telecom algorithms developed during its seven years as a DSP software company. VoicePump was founded in 1993 and became a wholly owned subsidiary of DSP Group, Inc., in 2001. The company is headquartered in Santa Clara, Calif. and has offices in Schaumburg, Ill. and Israel. More information - and a list of regional sales representatives - is available on the Web.

About DSP Group

DSP Group, Inc., is a global leader in the development and marketing of high-performance, cost-effective, licensable DSP cores. The company's family of DSP cores provides ideal solutions for low-power, cost-effective applications, such as cellular, broadband communications, VoIP, multimedia, advanced telecommunications systems, disk-drive controllers, and other types of embedded-control applications. By combining its DSP core technologies with its proprietary, advanced speech-processing algorithms, DSP Group also delivers a wide range of enabling, application-specific integrated circuits for full-featured, integrated-telephony products and applications, including spread spectrum wireless technologies. DSP Group maintains an international presence with offices located around the globe. More information about DSP Group is available from its Web site.