Extreme Networks® G48Tc and G48Te2 modules were tested forinteroperability with the Avaya S8500 Server, Avaya G650 Media Gateways andAvaya's IP telephones.

"The BlackDiamond 8800 modular switch keeps with our theme of offeringenterprises versatile Gigabit performance and expansive Power over Ethernetoptions at the network edge," said Gregory Heath, director of convergencesolutions for Extreme Networks. "With a modular switch that is suited forthe converged edge and tested with Avaya's IP telephony, customers gainscalability that is required for deploying hundreds or thousands of IPhandsets and similar edge devices easily and efficiently."

Power over Ethernet (PoE) allows BlackDiamond 8800 series switches tosupport large converged and wireless LAN deployments. The BlackDiamond 8810switch can scale to support up to 432 IP phones in a single chassis. Theswitch supports class 1, 2 and 3 phones as well as the emerging enhancedPoE standard, ePoE, when more than 15.4 watts are required by a device. Theresult is powerful voice and data support with scalable power and bandwidthcapacity.

Extreme Networks products were validated for interoperability through theAvaya DevConnect program -- an initiative to promote the development,compliance-testing and co-marketing of innovative third-party products thatare compatible with Avaya's standards-based solutions. Extreme Networks, aplatinum member of the DevConnect program, has achieved compliance for abroad portfolio of core to edge network infrastructure products.

"Working with Extreme Networks provides customers with a wide range of highavailability network infrastructure options that allow them to grow as theyintegrate IP communications," said Eric Rossman, vice president, developerrelations and technical alliances, Avaya. "With these solutions,enterprises are better enabled to take advantage of the rich features ofUnified Communications to increase workgroup productivity and improveinteraction with their customers."

About Avaya Inc.

Avaya delivers Intelligent Communications solutions that help companiestransform their businesses to achieve marketplace advantage. More than 1million businesses worldwide, including more than 90 percent of the FORTUNE500®, use Avaya solutions for IP Telephony, Unified Communications,Contact Centers and Communications-Enabled Business Processes. Avaya GlobalServices provides comprehensive service and support for companies, small tolarge. For more information, visit the Avaya Web site:http://www.avaya.com. For more information on the Avaya DeveloperConnectionProgram, visit http://www.devconnectprogram.com/.

About Extreme Networks, Inc.

Extreme Networks provides converged Ethernet networks that support data,voice and video for enterprises and service providers. The company'snetwork solutions feature high performance and high availability switchingthat deliver insight and control enabling customers to solve theirreal-world business communications challenges. Operating in more than 50countries, Extreme Networks provides wired and wireless secure LANs, datacenter infrastructure and Service Provider Ethernet transport solutionsthat are complemented by global, 24x7 service and support. For moreinformation, visit: http://www.extremenetworks.com.

This announcement contains forward-looking statements that involve risksand uncertainties, including statements regarding the features andperformance of the BlackDiamond switches. Actual results could differmaterially from those projected in the forward-looking statements as aresult of certain risk factors, including, but not limited to product andnetwork configuration. We undertake no obligation to update theforward-looking information in this release. More information aboutpotential factors that could affect our business and financial results isincluded in our filings with the Securities and Exchange Commission,including, without limitation, under the captions: "Management's Discussionand Analysis of Financial Condition and Results of Operations," and "RiskFactors" (http://www.sec.gov).

Extreme Networks and BlackDiamond are either registered trademarks ortrademarks of Extreme Networks, Inc. in the United States and othercountries. All other trademarks are the property of their respectiveowners.

For more information, please contact:Extreme Networks Public RelationsGreg Cross408-579-3483Email ContactLynn NewmanAvaya908-953-8692Email Contact