Symmetricom and Grintek Telecom Improve Network Reliability for

MTN Group; Sync Upgrade To Enhance Performance for Leading African Cellular 
High-Tech Writers / Business Editors
SAN JOSE, Calif.--(BUSINESS WIRE)--Aug. 3, 2004
Symmetricom (Nasdaq:SYMM), a leading worldwide supplier
of atomic clocks and network synchronization and timing solutions, and
Grintek Telecom today announced that Mobile Telephone Networks
(JSE:MTN)(MTN Group Ltd) will implement a synchronization upgrade to
its MSC, BSC and ATM network using Symmetricom's SSU 2000
Synchronization Supply Units and TimePictra network management
The upgrade is to be rolled out in 21 locations throughout South
Africa. The value of the deal including extended warranty and support
is in excess of USD 1.3 million. Synchronization is required to
minimize service interruption and ensure all network elements perform
at peak efficiency. Quality sync is key for the smooth transmission of
voice, video and data. 
"The African telecoms environment faces challenges such as
geographic expanses, population density, and disparity in
infrastructure. Our focus is to provide a high quality service for our
business and residential customers by increasing capacity where needed
and not just extending geographic coverage," said Karel Pienaar,
managing director, MTN SA. "Investing in our MSC, BSC and ATM sync
network infrastructure is a critical step towards providing excellence
in our operations." 
"Grintek Telecom, Symmetricom's value added reseller for the
African market, is offering a turnkey solution including network
design, project management, implementation and support for the MTN
infrastructure upgrade," said Delio Senatore of Grintek. 
"MTN has a demonstrated commitment to providing its customers with
Quality of Service improvements by deploying next-generation
synchronization supply units to reduce network and service failures,"
said Tom Steipp, president and CEO of Symmetricom. "Symmetricom's SSUs
and TimePictra management software will serve to minimize network
downtime in MTN's MSC and BSC networks." 
About MTN Group 
Launched in 1994, the MTN Group celebrates ten years as a leading
provider of cellular and communications services in Africa and is
listed on the JSE Securities Exchange South Africa under the share
code: "MTN." The Group encompasses MTN South Africa, MTN International
and its Strategic Investments division which hosts Orbicom, Airborn
and MTN Network Solutions. As of March 31, 2004, the MTN Group
recorded almost ten million subscribers across the continent where it
provides cellular, satellite and Internet access services to 14
African countries. The Group has invested in six GSM cellular networks
in Africa, including South Africa, Swaziland, Rwanda, Uganda, Cameroon
and Nigeria. For more information please visit 
About Grintek Telecom 
Grintek Telecom, a division of JSE-listed Grintek Ltd, is one of
SA's leading empowerment ICT solutions and integration companies.
Grintek Telecom provides tailored and innovative ICT solutions, from
initial project and business requirement consulting, through to
implementation, integration and ongoing support. 
About Symmetricom Incorporated 
Symmetricom is a leading supplier of synchronization and timing
solutions to telecom, government and industry. Our products include
wireline and wireless network synchronization, hydrogen masers, cesium
and rubidium clocks, time authentication systems as well as G.shdsl
broadband equipment. We are based in San Jose, Calif., with offices
worldwide. For more information, visit 
Symmetricom, Inc
Tracy DeMay, 408-220-7635
Grintek Telecom
Linda Weaver, 012-672-8000
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