About Telchemy, Incorporated

Telchemy,(R) Incorporated is the global leader in VoIP Fault and
Performance Management Technology with its VQmon(R) and SQmon(TM)
families of call quality monitoring and analysis software. NexTone solutions enable carriers, service providers , and
enterprises to securely, simply, and cost-effectively interconnect
networks for end-to-end control and management of IP traffic.com
Telchemy and VQmon are registered trademarks of Telchemy ,
Incorporated; SQmon is a trademark of Telchemy, Incorporated.

The enhanced Xgig platform now has the ability to decode and analyze SAS
and SATA traffic, and automatically detects errors in the new protocols
using an expert analysis tool.finisar.

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PRESS RELEASE Finisar Adds SAS and SATA Protocols to Its Industry-Leading Xgig(R) Analyzer 3.0

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The Finisar Xgig Analyzer 3.0 is the latest release of the company's
award-winning SAN analysis and testing software suite , and supports the
company's 10 Gb/s Analyzer blade for Fibre Channel and Gigabit Ethernet
SANs .

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"VQmon/SA is fast,
accurate and compact; and it provides the detailed Voice over IP call
quality analysis that our carrier and enterprise customers need as
they deploy VoIP and other real-time multimedia services.323 interworking
function, network address translation (NAT) and VoIP firewall
functionality , provide IP carriers with flexible, secure
interconnections to other IP-based carriers and enterprises ., probes and analyzers, to support both
non-intrusive monitoring of live calls and active test calls for
on-demand troubleshooting.nextone.

About Finisar

Finisar Corporation is a technology leader for fiber optic subsystems and
network performance test systems.finisar.

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The company is headquartered in Gaithersburg, Maryland USA with
domestic and international sales offices worldwide.

SAFE HARBOR UNDER THE PRIVATE SECURITIES LITIGATION REFORM ACTS OF 1995

The statements contained in this press release that are not purely
historical are forward-looking statements within the meaning of Section 21E
of the Securities Exchange Act of 1934, as amended, including statements
regarding Finisar's expectations, beliefs, intentions, or strategies
regarding the future.

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Specifically , NexTone will feature VQmon/SA (Stream Analysis) call
quality analysis algorithms in its industry -leading MSC product for
carriers and enterprises to use in monitoring, diagnosing, and
managing network call and packet-related problems.

The Finisar Xgig Analyzer 3.

This category is for joke RFCs (Request For Comments).

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Visit: www.
For its ability to anticipate the growing need for multiprotocol
session control and its impressive market traction, NexTone was
awarded the 2004 Frost and Sullivan Market Penetration Leadership
Award. For more
information, visit www.

The Finisar Xgig Analyzer system is a highly scalable, hardware and
software solution that collects and analyzes detailed information on
SAS/SATA, Fibre Channel and Gigabit Ethernet links, delivering both
real-time display and expert post processing functions.

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Along with its key analysis capabilities for enterprise SANs , the
Xgig Analyzer is the premier product used by OEM and solution vendors for
interoperability and compliance testing to ensure their SAN products adhere
to industry standards.com or contact a
Finisar Solution Expert at 1.

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Book Editors

SUWANEE, Ga.----

Collaboration Provides VoIP Call Quality and Network Performance
Monitoring Technologies to Carrier and Enterprise Markets for Service
Quality Problem Resolution

Telchemy,(R) Incorporated, the global leader in real -time Voice
over IP (VoIP) Fault and Performance Management technology, and
NexTone Communications , the market leader in real-time session
management, today announced that NexTone has licensed Telchemy 's
VQmon(R) call quality monitoring and analysis software for use in its
Multiprotocol Session Controller (MSC). NexTone's MSC
enforces QoS policies across the network edge, thus enabling carriers
and enterprises to route, manage, and control real-time traffic at
minimal cost."
NexTone's MSC is deployed at the network edge and operates alone
or in conjunction with a core call control engine such as the NexTone
Multiprotocol Signaling Switch (MSW).
The MSC's delivers field-proven interoperability with other VoIP
solutions, including products from Cisco, Lucent, Nortel, Nuera , Sonus
and Veraz, thereby providing the ability to quickly extend service
reach and maintain quality while lowering equipment and operational
costs at the same time. Serial storage technologies such as SATA and SAS have a promising
future due to their low cost, reliability and performance density . Further information regarding these and other risks
relating to Finisar's business is set forth in Finisar's Annual Report on
Form 10-K and other interim reports as filed with the Securities and
Exchange Commission.

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"By embedding VQmon/SA software in the MSC, NexTone is providing
sophisticated , standards-based inter-carrier service level monitoring
for the carrier and enterprise markets," said Alan Clark, president
and CEO of Telchemy, Incorporated."
Telchemy's VQmon/SA is used in mid-stream routers and switches and
in VoIP test equipment, e.g.248 and G.

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"We use many Xgig Analyzers in our
Fibre Channel test environment and have found the combined hardware and
software solution enables us to efficiently test and troubleshoot the
complex storage systems that contain our products. These products enable high-speed data
communications for networking and storage applications over Gigabit
Ethernet Local Area Networks (LANs), Fibre Channel Storage Area Networks
(SANs), and Metropolitan Area Networks (MANs) using Fibre Channel, IP and
SONET/SDH protocols .

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Telchemy is
the world's first company to provide voice quality management
technology that considers the effects of time-varying network
impairments and the perceptual effects of time-varying call quality .0 provides customers with high performance
solutions to manage, test and resolve SAN issues and ensure business
continuity.408.com.

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NexTone's real-time IP technology has been installed by more than 200
service providers worldwide to dramatically reduce capital
expenditures and deliver ongoing operational efficiencies, such as
reduced interconnect "turn-up" time and simplified network operations .
Finisar Corporation (NASDAQ: FNSR), a
technology leader in providing gigabit fiber optic solutions for high-speed
data networks, today announced it has significantly expanded its
market-leading storage area network (SAN) analysis and testing suite, the
Xgig Analyzer 3. For
more information about Finisar's proven solutions for storage network
optimization and management, visit http://www .

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With its new blade, the Xgig now supports
the SSP, STP and SMP protocols. The Jammer
re-times and re-transmits data with a new clock, passing Fibre Channel,
Gigabit Ethernet or SAS traffic or recognizing an event sequence and
modifying the traffic. Finisar Xgig Analyzer 3.com. All forward -looking statements included in this press
release are based upon information available to Finisar as of the date
hereof, and Finisar assumes no obligation to update any such
forward-looking statements . Forward-looking statements involve risks and
uncertainties, which could cause actual results to differ materially from
those projected.

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The Xgig Jammer is used with the Xgig Analyzer to capture and display
network traffic associated with real-time data modification."

About Finisar Xgig Analyzer 3.

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"Our use of Telchemy's VQmon is evidence of our commitment to
provide customers with the latest technology and innovation," stated
Hank Firey, chief executive officer of NexTone. VQmon/SA provides:

Listening and conversational quality metrics

MOS scores and R factors

Detailed packet/RTP statistics

Jitter buffer emulation

RTCP XR encoding /decoding with dynamic calibration.
Founded in 1999, the company has products deployed and in use
worldwide and markets its technology through leading networking, test
and management product companies .telchemy. In addition, Finisar announced the availability of the Xgig SAS
Jammer, a tool to help engineers speed up testing of new prototypes through
protocol compliance checking. It can provide time-correlated analysis of
as many as 32 concurrent SAS, SATA, Fibre Channel or Ethernet (both GbE and
10GbE) ports or links.

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The MSC also provides advanced media routing
capabilities, including: NAT traversal, topology hiding, route
enforcement, and the regulation of bandwidth consumption to manage
multimedia flows across carrier and enterprise boundaries. It is the first standards-based call
quality monitoring software to support the Internet Engineering Task
Force (IETF) RFC 3611 (RTCP XR) Protocol and the new QoS reporting
protocols for International Telecommunications Union (ITU) H.

"Finisar's newest Xgig Analyzer dramatically simplifies storage testing
environments ," said Paul Hansen, marketing vice-president, Finisar.
According to industry analysts, nearly every major vendor is currently
shipping SATA drives, with SAS already being offered as a replacement
technology for the aging SCSI interface. The company is headquartered in Sunnyvale, California.

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"With
advanced features and functionality, including SAS/SATA support, our Xgig
Analyzer brings industry-leading expertise to troubleshooting
multi-protocol SANs and storage interfaces, assuring that compliance
standards are met while accelerating time to market. The hardware can
either be placed directly in-line on a link or non-intrusively monitor the
link using network TAPs.0 is available in Q1 of 2006.

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These new features help vendors deliver
SAS/SATA products that have been widely adopted within the storage
industry.

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"We are delighted that Finisar has added SAS capability to the Xgig
Analyzer platform," said Margie Evashenk, Vice President of Engineering for
Sierra Logic , a leading provider of sophisticated chip and firmware
solutions for networked storage systems.1000 or sales@finisar.

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com

About NexTone Communications

NexTone Communications develops carrier -grade products that
deliver scalable control of real-time IP services, such as voice over
IP (VoIP).0.
For more information visit Finisar at www.

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"Working together with established
business partners, such as NexTone, we're providing standards-based
call quality to both carriers and the enterprise--enabling them to
deliver reliable IP-based services to their end customers.5 and 3.0 Gb/s SAS and SATA Analyzer
- Jammer protocol compliance testing tool
- Enhanced triggering and filtering capabilities
- Analog pass through and digital retimer modes

The enhanced Finisar Xgig Analyzer 3.

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NexTone Integrates Telchemy's VQmon VoIP Fault and Performance Management Software into Its Session Management Technology

"

Recent industry research indicates that data storage requirements driven by
workload are likely to double every 18-24 months over the next several
years, prompting IT managers to look for the most efficient means of
storage.

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323,
H. Leveraging Finisar's expertise in storage protocols,
the company has developed next-generation Serial Attached SCSI (SAS) and
Serial ATA (SATA) storage interfaces on the company's flagship Xgig
platform. The Xgig also supports out -of-band (OOB) signaling
and spread spectrum clock (SSC). We're looking forward
to the added capabilities the new generation of Xgig products will
provide.0 adds the following feature
capabilities to its industry leading network storage analysis and testing
solutions:

- Multi-function and multi-protocol support
- 1, 2, 4, 10 Gb/s Fibre Channel Analyzer
- Gigabit and 10 Gigabit Ethernet Analyzer (iSCSI and FCIP)
- 1.

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The MSC's FlexPeer capabilities,
consisting of dynamic call admission control, SIP/H.

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