To reference the Optical, Scaleable Overlay,
Converge and Compress RAN Solutions please access the FLEXengine
technology links below.

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Comerica has one of the fastest and most reliable web banking services in
the country, according to Gomez, Inc. Carrier Access offers this
next-generation technology for both new product shipments and as an
upgrade to its installed base of over 50,000 cell sites within leading
wireless service providers that include Cingular, T -Mobile, Verizon
Wireless, and American Movile.
FLEXengine is a new high-capacity circuit and packet processing
technology for cell site access, switching center, and transport hub
locations.

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5G, 3G and 4G broadband data
over both existing and new packet-based broadband wireline or
microwave wireless access networks. FLEXengine technology provides a software-definable
platform that enables broadband and video data services to be added in
Radio Access Networks with minimum capital and operating expenses,
while improving service quality.
FLEXengine technology began first product shipments to North American
wireless operators this month.

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Carrier Access Announces Next Generation FLEXengine Packet Radio Access Network Solutions at 3GSM World Congress

This technology is designed to
allow wireless carriers to avoid spending millions of dollars to
upgrade transport networks from cell sites to mobile switching centers
when deploying new broadband and video data services.gif
To reference: Providing Complete Radio Access Network Solutions,"
http://www.

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FLEXengine(TM) Technology for Converging 2. Carrier Access' technologies help our customers do more
with less.

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carrieraccess .carrieraccess.

About Carrier Access

Carrier Access (Nasdaq:CACS) provides converged access technology
designed to streamline the communication network operations within
service provider , enterprise, and government markets. Carrier Access
products enable customers to consolidate and upgrade access capacity
for the implementation of converged voice, video, and data services at
lower costs.

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com/images/media/image_pr1. The products will be shown with
distribution partner Telmar Network Technology - Stand G34, Hall 2.carrieraccess.

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Comerica Upgrades Web Bill Pay Service

DETROIT, Comerica Incorporated today announced it
has upgraded its Web Bill Pay service to allow customers to make bill payments
faster -- often the next day -- and easier than ever.newscom.
"We continually look for ways to improve the online service provided to
customers," notes Michael J.
Comerica Incorporated (NYSE: CMA) is a financial services company
headquartered in Detroit, strategically aligned into the Business Bank, Small
Business + Personal Financial Services, and Wealth + Institutional Management.com/images/media/image_pr2.gif
In summary, Carrier Access has introduced an end-to-end packet
radio access network solution that economically scales in bandwidth
from two T1/E1s per cell site to large "pipe" optical concentration in
switching offices.

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8 billion at December 31,
2004 .
Software-definable functions are provided to implement progressive
levels of voice and data bandwidth upgrades and packet access
technologies, based on network readiness and service needs.
To reference the graphic "Intelligent Access Optimization with
FLEXengine," http://www.carrieraccess.

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gif
To reference the graphic "FLEXengine Technology: End-to-End
Overlay, Converge, Compress RAN Solution ,"
http://www.

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Other enhancements to Comerica Web Bill Pay include a streamlined
payment center that allows customers to view and manage their payment activity
on one page; the ability to add new bills just by entering the payee's phone
number; automatic bill reminders via e-mail; and confirmation numbers --
provided for each payment made for your reference. Tierney, senior vice president, Personal
Financial Services for Comerica. Comerica reported total assets of $51.

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Comerica focuses on relationships, and helping businesses and people be
successful.

Business Editors /High-Tech Writers
3GSM World Congress 2005

BOULDER, Colo.
Carrier Access introduces FLEXengine technology optimized for the
MASTERSeries, Axxius, and FLEXway platforms at this year's 3GSM World
Congress trade show, February 14-17, in Cannes, France
(www.

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The Carrier Access FLEXengine technology is designed to be
software-definable.com/images/media/image_pr3.

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(Logo: http: //www. It is based on advanced network processing software and
custom logic developed by Carrier Access for the Axxius(R),
MASTERSeries(TM), and the new FLEXway(TM) Radio Access Network
platforms.

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com /cgi-bin/prnh/20010807/CMALOGO )
Next-day payments can now be made to numerous companies across the
country.5G, 3G and IP/Ethernet
Access with Existing GSM Access Allows Network Operators to
Gain ROI in 6 to 12 Months

Carrier Access Corporation (Nasdaq:CACS ), a market leader in North
American cell site access equipment, today announced the availability
of next-generation Radio Access Network (RAN) solutions based on its
newly released FLEXengine technology. These
levels of FLEXengine software implementation are termed overlay,
converge, and compress.carrieraccess.3gsmworldcongress.

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com/3gsm05

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"Comerica began providing online check
images to customers late last year, and additional enhancements to our Web
Banking service are planned for later this year., an internet performance management
company that measures the transaction performance of popular online banking
sites. FLEXengine is designed to integrate all critical functions
required to optimize the transport of 2.com/images/media/image_pr4.com).

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This enables wireless operators to use
downloadable software libraries, rather than replace existing
hardware, to enable network access technology upgrades.gif
To reference the graphic "Abis Compression: greater than 50%
Bandwidth Savings,"
http://www. For more information, visit www.