Zarlink and Tollgrade Collaborate on Simplified Solution for the Communication Infrastructure by Offering System-Level Integrated Line-Test

    - Solution reduces the voice service provider's cost of ownership by
      integrating testhead-level line test within Multiservice Access Nodes
      and Fiber-To-The-Premise Optical Network Terminals

    OTTAWA, Canada and PITTSBURGH, PA (USA) Oct. 5 /CNW Telbec/ - Zarlink
Semiconductor Inc. (NYSE/TSX:ZL) today announced an interoperability and
co-marketing agreement with Tollgrade Communications, Inc. (NASDAQ:   TLGD), a
leading supplier of network service assurance products for the telecom
industry, to create a single solution for identifying, isolating and resolving
packet and TDM voice network performance issues. The combined offering targets
today's multiservice access nodes (MSANs) and Fiber-To-The-Premise Optical
Network Terminals (FTTH ONTs), providing diagnostic and repair capabilities
for emerging voice, data and video services.
    The Zarlink VoiceEdge(TM) VE790 Series of highly programmable integrated
voice chip sets create a precise multi-meter that can diagnose any service
provider twisted pair accurately and reliably. The Zarlink LineCare(TM)
software allows network operators to monitor, diagnose and pinpoint potential
problems before customers are affected. Tollgrade line management software is
designed to provide customer service representatives with fast and accurate
analysis of equipment and network conditions, as well as integration with
LoopCare(TM) Test OSS. With Tollgrade, administrators work remotely through a
browser-based graphical user interface to schedule and automate test
transactions; thus enabling bulk subscriber pre-qualification, service
provision verification, multi-layered IP-based broadband trouble isolation and
more. The first prototype of this joint solution is expected to be available
in November 2007.
    "As access providers increasingly locate line cards in remote
multiservice access cabinets and away from central offices, integrated line
testing becomes even more critical," said Shahin Sadeghi, Zarlink's segment
marketing manager for access infrastructure voice products. "This joint
solution combines the complete measurement tools provided by Zarlink's VE790
chipset with the robust management tools from Tollgrade to create a solution
that can reduce both cost and complexity."
    "Tollgrade software has been designed to meet the most extreme
provisioning, testing and repair requirements of our carrier customers," said
Chris Barton, Tollgrade's executive director of marketing. "With more than
300 million embedded access lines supported already, our technology can be
found inside many of the leading cable and telecom companies offering triple
play services. Working with Zarlink will enable us to offer an integrated
service assurance test solution where it is not possible or practical to
provide external precision test heads for emerging next generation global
    Integrating line test functionality in the Zarlink VE790 Series means
service providers will be able to remotely monitor and test the line on a
routine basis to detect and repair issues before a customer experiences a
problem, thus eliminating costly truck rolls and shortening the response time
to the customer. The result is far lower customer churn rates and dramatic
savings on operating expenses.
    Tollgrade will be exhibiting at the Broadband World Forum,
October 9 - 11, 2007 in stand # 3023. Please contact a Tollgrade
representative ( for additional information or to schedule a
    The Zarlink VE790 chipset is available immediately from Zarlink's
Legerity Voice Products website:

    About Zarlink Semiconductor

    For over 30 years, Zarlink Semiconductor has delivered semiconductor
solutions that drive the capabilities of voice, enterprise, broadband and
wireless communications. The Company's success is built on its technology
strengths including voice and data networks, optoelectronics and ultra
low-power communications. For more information, visit
    Zarlink, ZL, the Zarlink Semiconductor logo are trademarks, and Legerity,
the Legerity logo and combinations thereof are registered trademarks of
Zarlink Semiconductor Inc. All other trademarks and registered trademarks are
the property of their respective owners.

    Shareholders and other individuals wishing to receive, free of charge,
copies of the reports filed with the U.S. Securities and Exchange Commission
and Regulatory Authorities, should visit the Zarlink web site at or contact Investor Relations.

    Certain statements in this press release constitute forward-looking
statements within the meaning of the Private Securities Litigation Reform Act
of 1995. Such forward-looking statements involve known and unknown risks,
uncertainties, and other factors which may cause the actual results,
performance or achievements of Zarlink to be materially different from any
future results, performance, or achievements expressed or implied by such
forward-looking statements. Such risks, uncertainties and assumptions include,
among others, the following: our dependence on the successful development and
market introduction of new products; our ability to successfully integrate
Legerity and any businesses acquired in the future; our reliance on key
personnel; any potential undisclosed liabilities associated with the Legerity
acquisition; the potential adverse effect on critical reference design
partners who may object to the Legerity acquisition; our ability to continue
to operate profitably and generate positive cash flows in the future; our
dependence on our foundry suppliers and third-party subcontractors; order
cancellations and deferrals by our customers; and other factors referenced in
our Annual Report on Form 20-F. Investors are encouraged to consider the risks
detailed in this filing.

    About Tollgrade

    Tollgrade Communications, Inc. is a leading provider of network service
assurance products and services for centralized test systems around the world.
Tollgrade designs, engineers, markets and supports centralized test systems,
test access and status monitoring products, and next generation network
assurance technologies for the broadband marketplace. Tollgrade's customers
range from the top RBOCs (Regional Bell Operating Companies) and Cable
providers, to numerous independent telecom, cable and broadband providers
around the world. Tollgrade's network testing, measurement and monitoring
solutions support the infrastructure of cable and telecom companies offering
current and emerging triple play services. Tollgrade and its products and
customer reach span over 300 million embedded access lines, more than any
other test and measurement supplier. Tollgrade has European offices in the
U.K., Belgium and Germany and U.S. offices in Pennsylvania and New Jersey. For
more information, visit Tollgrade's web site at

    The foregoing release contains "forward-looking statements" regarding
future events or results within the meaning of Section 27A of the Securities
Act of 1933, as amended, and Section 21E of the Securities Exchange Act of
1934, as amended, including statements concerning Tollgrade's current
expectations regarding the expected availability date for new products, and
our ability to introduce next generation network technologies into existing
customer infrastructures and to execute its strategies. Tollgrade cautions
readers that such "forward-looking statements" are, in fact, predictions that
are subject to risks and uncertainties and that actual events or results may
differ materially from those anticipated events or results expressed or
implied by such forward-looking statements. Tollgrade disclaims any current
intention to update its "forward-looking statements," and the estimates and
assumptions within them, at any time or for any reason. In particular, the
following factors, among others could cause actual results to differ
materially from those described in the "forward-looking statements:" (a) the
inability to gain market acceptance of our new products within the customer
base; (b) the inability to complete or possible delays in completing certain
research and development efforts that may be required for product release and
general availability; (c) our dependence upon a limited number of third party
subcontractors to manufacture certain aspects of the products we sell,
including the products which are the subject of this release; and (d) the
inability to make changes in business strategy, development plans and product
offerings to respond to the needs of the significantly changing
telecommunications markets and network technologies.
    Other factors that could cause actual events or results to differ
materially from those contained in the "forward-looking statements" are
included in Tollgrade's filings with the U.S. Securities and Exchange
Commission (the "SEC") including, but not limited to, Tollgrade's Form 10-K
for the year ended December 31, 2006 and any subsequently filed reports. All
documents are also available through the SEC's Electronic Data Gathering
Analysis and Retrieval system at or from the Tollgrade website at

For further information:

For further information: Ed Goffin, Zarlink Semiconductor, Media
Relations (613) 270-7112,; Mike McGinn, Zarlink
Semiconductor, Investor Relations, (613) 270-7210,;
Bob Butter, Tollgrade Communications, Inc., Corporate Communications, (412)

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