Sonus Networks' Chairman and CEO Named As One Of The "Top 100 Voices Of IP Communications" By TMC's Internet Telephony

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CHELMSFORD, Mass., October 30, 2006 - Sonus Networks, Inc. (Nasdaq: SONS), a leading supplier of service provider Voice over IP (VoIP) infrastructure solutions, announced today that Hassan Ahmed, chairman and CEO of Sonus Networks, has been recognized as one of the “Top 100 Voices of IP Communications” by the editorial team at Technology Marketing Corporation's (TMC®) INTERNET TELEPHONY® magazine. The award recognizes the leading voices and advocates who have played an instrumental role in the progression of the IP industry. Ahmed is profiled in the October 2006 issue of INTERNET TELEPHONY, a leading monthly VoIP magazine, which covers emerging technologies, market trends and business opportunities in the field of Internet telephony.

"As the world of IP Communications has grown tremendously over the course of the last decade, our committee decided it was an appropriate time to highlight and profile a list of Top 100 Voices that have driven technical innovation within the evolving space," said Rich Tehrani, president and editor-in-chief for INTERNET TELEPHONY and the TMC® publishing group. "Our selected IP communications thought leaders come from various backgrounds and offer IP communications insight in the areas of carrier-class, residential and enterprise offerings - all key components that have lead to the rise in IP voice deployments."

"I am honored that INTERNET TELEPHONY has selected me as a top telecommunications leader among a select group of my peers,” said Hassan Ahmed, chairman and CEO, Sonus Networks. "I share this recognition with the entire Sonus team - as this distinction underscores Sonus' significant role in helping to shape the telecommunications industry."

About Sonus Networks

Sonus Networks, Inc. is a leading provider of voice over IP (VoIP) infrastructure solutions for wireline and wireless service providers. With its comprehensive IP Multimedia Subsystem (IMS) solution, Sonus addresses the full range of carrier applications, including residential and business voice services, wireless voice and multimedia, trunking and tandem switching, carrier interconnection and enhanced services. Sonus' voice infrastructure solutions are deployed in service provider networks worldwide. Founded in 1997, Sonus is headquartered in Chelmsford, Massachusetts. Additional information on Sonus is available at http://www.sonusnet.com.

Sonus is a registered trademark of Sonus Networks. All other company and product names may be trademarks of the respective companies with which they are associated.