InterDigital Inc (IDCC)

[nieves]

Spectrum Signal Processing's aXs.740 Packet-Voice Subsystem for



RELATED SYMBOLS: (TMKT)(SSPI)

BURNABY, BRITISH COLUMBIA, Jan 22, 2003 (CCNMatthews via COMTEX) -- Spectrum
Signal Processing Inc. (NASDAQ: SSPI / TSX: SSY), a leading provider of high
performance wireless signal processing and packet-voice solutions, today
announced that Technology Marketing Corporation's (TMC(TM)) INTERNET
TELEPHONY(R) magazine has named the aXs.740 packet-voice subsystem for
next-generation mobile wireless infrastructure as a Product of the Year winner
for 2002. INTERNET TELEPHONY is the premier publication in the rapidly growing
IP telephony industry.

INTERNET TELEPHONY's Product of the Year Award has been awarded to the aXs.740
for its technological excellence and vision. The aXs.740 subsystem is a
standards-based modular solution that provides the highest call densities and
most comprehensive set of voice and media services for wireless telephony
infrastructure. The aXs.740 subsystem is ideal for high-capacity transcoding in
all-IP wireless architectures supported by 3GPP (Third Generation Partnership
Project) standards developments, and is compatible with 3G network architectures
including UMTS (Universal Mobile Telecommunications Service). The aXs.740
subsystem, along with the entire family of aXs.600 and aXs.700 modules, supports
the Open-aXs software environment to rapidly and efficiently integrate
next-generation voice services into carrier-class infrastructure equipment.

"Spectrum's aXs.740 subsystem is a clear leader in the packet-voice processing
sector of the IP telephony industry. We're proud to reward their hard work and
innovation with a Product of the Year Award for 2002," said Rich Tehrani,
president of TMC and group editor-in-chief of INTERNET TELEPHONY.

"Spectrum's aXs.740 product delivers exceptional new capabilities to the
wireless packet-voice market. Spectrum deserves to be honored with the Product
of the Year award due to their proven commitment to producing quality products
for the market," said Greg Galitzine, editorial director of INTERNET TELEPHONY.

"The INTERNET TELEPHONY Product of the Year Award is outstanding recognition of
our development efforts in packet-voice processing for wireless infrastructure
applications," stated Andy Talbot, Vice President of Spectrum's Network
Solutions Group. "It is further evidence of our success in delivering a product
that can easily be integrated into our customers' systems to provide reliable,
leading-density transcoding and enhanced voice services."

The INTERNET TELEPHONY Product of Year Awards are published in the January 2003
edition of INTERNET TELEPHONY magazine
(http://www.tmcnet.com/it/0103/0103poty.htm).

Each aXs.740 Packet-Voice Subsystem Features:

* Scalable density of up to 672 channels (DS-3) of compressed voice-port
capacity

* Field-hardened algorithms including 3G-AMR, GSM-FR/ EFR/AMR, EVRC, and
best-in-class G.168-2000 (128ms echo tail)

* Enhanced voice services including 64-way conferencing and announcement server
support

* TFO (Tandem Free Operation) support

* Modular single-width PCI Mezzanine Card (PMC) - 2.9" x 5.9" form factor

* Open-aXs software for rapid application integration

* Optimized channel configurations are available

* Shipping today in volume

About INTERNET TELPHONY Magazine

The convergence of voice, video, fax, and data has revolutionized the world of
telecommunications. Internet telephony has been proven to drastically reduce
long-distance costs and continues to provide unprecedented opportunities for
service providers, resellers, developers, and end users alike. Internet
Telephony is the only magazine that focuses on providing the information that
will help you take advantage of this exciting technology. Launched as a
quarterly publication in January 1998, Internet Telephony magazine has been
published monthly since October 1998. Internet Telephony provides readers with
the best information necessary to learn about and purchase the equipment,
software, and services they need to take advantage of Internet telephony.

About Spectrum Signal Processing Inc.

Spectrum Signal Processing designs, develops and markets high performance
wireless signal processing and packet-voice processing subsystems for use in
communications infrastructure equipment. Spectrum's optimized hardware, software
and chip technology work together to collect, compress and convert voice and
data signals. Leveraging its 16 years of design expertise, Spectrum provides its
customers with faster time to market and lower costs by delivering highly
flexible, reliable and high-density solutions. Spectrum subsystems are targeted
for use in government communications systems, satellite hubs and cellular base
stations, media gateways and next-generation voice and data switches. More
information on Spectrum and its aXs(TM) and flexComm product lines is available
at www.spectrumsignal.com

(R)INTERNET TELEPHONY is a registered trademark of Technology Marketing
Corporation.


CONTACT: Spectrum Signal Processing Inc.
Liza Aboud
Business and Trade Media
[phone] ext. 152
Email: [e-mail]
or
Spectrum Signal Processing Inc.
Brent Flichel
Investor Relations
[phone] ext .247
Email: [e-mail]
Website: www.spectrumsignal.com
or
Technology Marketing Corporation
Michael Genaro
[phone] ext. 142
Email: [e-mail]


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INDUSTRY KEYWORD: CMT - Communications Technology
SUBJECT CODE: CNT - CONTESTS & AWARDS

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Daniel Nieves