Flextronics Software Systems Ranked Number 1 in Worldwide Market Share for Session Initiation Protocol (SIP) Stacks

Flextronics Software Systems (FSS), the global leader in
communications software, today announced that it is the worldwide
share leader in the Session Initiation Protocol (SIP) stack market,
according to a recent Venture Development Corporation (VDC) report.
FSS is the clear leader in the SIP stack market with 32% share,
according to VDC's Telecom Core Infrastructure Market Intelligence
Service 2005-2006. SIP is an application layer control protocol that
can establish, modify and terminate multimedia sessions or calls.
"SIP is a dynamic and rapidly growing software sector where
scalability and interoperability are critical," said Robert Johnson,
Senior Telecom Analyst of Venture Development Corporation. "Hardware
manufacturers, software vendors and service providers have
increasingly high expectations of companies providing SIP protocol
stacks and toolkits. FSS' top ranking is a very strong statement from
the market," continued Mr. Johnson.
"FSS' products' proven ability to reduce time-to-market and their
superior scalability, interoperability and quality are the top factors
our customers cite when they choose our SIP products," according to
Suresh Kabra, Assistant Vice President and Head of Products of
Flextronics Software Systems. "We will continue to accelerate the
development of our customers' products and services through FSS
products that include SIP-powered IMS offerings, SIP User Agent
Toolkits, our SIP Server Framework, our Back-to-Back User Agent and
our SIGCOMP stack," added Mr. Kabra.
FSS protocol stacks, frameworks and toolkits have been critical to
the delivery of products from over 200 Original Equipment
Manufacturers (OEMs) worldwide. Flextronics Software Systems offers
innovative software products for

-- wireless, wireline, broadband and satellite infrastructures;

-- carrier-grade and enterprise class communications equipment;
and

-- devices, server-side communications applications and the
network core.

For more information, please visit
http://www.flextronicssoftware.com

About Flextronics Software Systems (FSS)

Flextronics Software Systems is the leading provider of high
impact, innovative software solutions to the global communications
industry. Customers for its full spectrum offering of software
services and products are the world's leading communications
companies. FSS has the unprecedented ability to deliver complete
software solutions that stretch from network infrastructure to end
user devices. In addition to its operations in India and the United
States, the business has locations in China, Germany, Italy, South
Africa and Ukraine.

For more information, please visit
http://www.flextronicssoftware.com or contact:

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In Europe and the Americas
Trevor Strudley
Flextronics Software Systems
3460 Hillview Avenue
Palo Alto, California, USA 94304
Tel: +1-650-391-1611
Email:
trevor.strudley@flextronicssoftware.com

In Asia, the Middle East, and Africa
Satinder S. Juneja
Flextronics Software Systems
Gurgaon - 122015
Haryana, India
Tel: +91-124-2346666 Extn: 3775
Email:
satinder.juneja@flextronicssoftware.com
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