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TORONTO, ONTARIO--(Marketwire - Dec. 14, 2009) - Nortel(1) (OTCBB:NRTLQ) Carrier VoIP and Application Solutions (CVAS) continues to lead the global Carrier VoIP market according to Dell'Oro Group, Infonetics Research and Synergy Research. All three leading analyst firms' recently published reports rank Nortel as the global leader with the largest revenues in the carrier IP market for the third quarter of 2009.

According to Infonetics Research's report, Service Provider VoIP Equipment and Subscribers Market Share, Size, and Forecasts - 3Q09, Nortel kept its global leadership position in the total VoIP market. Infonetics also found that during the third quarter of 2009, Nortel kept its position as the dominant softswitch supplier in North America at 61 percent.

"The Carrier IP market continues to be highly dynamic, as service providers transition their legacy voice networks to VoIP to provide new services and to cut costs," said Diane Myers, directing analyst, service provider VoIP and IMS for Infonetics Research. "Our recent report found that Nortel kept its revenue market share lead in the worldwide carrier VoIP market during the third quarter of 2009. Nortel has been consistent in its leadership of the North America softswitch market with 61 percent revenue market share for the current quarter."

Dell'Oro Group ranked Nortel CVAS as the top supplier in the global Carrier VoIP and softswitch market for the eighth consecutive year. According to Dell'Oro Group's report,Carrier IP Telephony Report, 3Q09, Nortel kept its number one position in the global VoIP and softswitch market. The report also reported, that in 3Q 2009, the overall VoIP market declined by seven percent while Nortel VoIP revenue grew by four percent compared to 3Q 2008. Dell'Oro also reported that in 3Q 2009, the overall softswitch market declined by seven percent while Nortel's softswitch revenue grew by seven percent compared to 3Q 2008.

According to Synergy Research Group's report, Carrier VoIP Worldwide Q3 2009 Market Share Update, Nortel is the number one supplier in the global VoIP, softswitch and media gateway space for 3Q 2009. In addition, Synergy Research has consistently ranked Nortel as the number one supplier in the global softswitch market for the past six quarters.

"Receiving this recognition is reconfirmation of Nortel's continued and unmatched ability to equip service providers around the globe to transition their voice networks from TDM to IP," said Samih Elhage, president, CVAS, Nortel. "It also reflects our ongoing commitment to improve service provider's ability to increase revenues and reduce network costs. In addition, Nortel CVAS continues to secure new customers globally, and to invest in leading-edge Carrier VoIP solutions that will enable our customers to deliver advanced voice and multimedia services that improve the way subscribers communicate and conduct business."

Nortel also announced that the Company was named the VoIP Network Vendor of 2009 in the Telecom Asia Readers' Choice Awards. For information on the awards, see [ http://www.telecomasia.net/readerawards2009 ].

Nortel has a strong track record of success in the Carrier VoIP space. Nortel has shipped more than 118 million Carrier VoIP and Multimedia ports, including over 10 million SIP lines to leading wireline and wireless carriers globally. In addition, Nortel has secured business with 10 leading service providers since late 2008 and has gained more than 40 new Carrier VoIP customers since the beginning of 2009.

For information on Dell'Oro, visit [ www.delloro.com ](2). For information on Infonetics Research, visit [ www.infonetics.com ](2). For information on Synergy Research, visit [ www.srgresearch.com ].

About Nortel

Nortel delivers communications capabilities that make the promise of Business Made Simple a reality for our customers. Our next-generation technologies, for both service provider and enterprise networks, support multimedia and business-critical applications. Nortel's technologies are designed to help eliminate today's barriers to efficiency, speed and performance by simplifying networks and connecting people to the information they need, when they need it. For more information, visit Nortel on the Web at [ www.nortel.com ]. For the latest Nortel news, visit [ www.nortel.com/news ].

Certain statements in this press release may contain words such as "could", "expects", "may", "anticipates", "believes", "intends", "estimates", "targets", "envisions", "seeks" and other similar language and are considered forward-looking statements or information under applicable securities legislation. These statements are based on Nortel's current expectations, estimates, forecasts and projections about the operating environment, economies and markets in which Nortel operates. These statements are subject to important assumptions, risks and uncertainties, which are difficult to predict and the actual outcome may be materially different from those contemplated in forward-looking statements. For additional information with respect to certain of these and other factors, see Nortel's Annual Report on Form10-K, Quarterly Reports on Form 10-Q and other securities filings with the SEC. Unless otherwise required by applicable securities laws, Nortel disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

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