RCN Selects Metaswitch for IP Voice Solution

DENVER, CO--(Marketwire - October 28, 2009) - SCTE Cable-Tec Expo 2009 -- Metaswitch Networks today announced that RCN Corporation (NASDAQ: RCNI), a leading provider of all-digital and high definition video, high-speed internet, and premium voice services to residential and small-medium business customers will upgrade its entire voice network to provide a broad range of IP telephony applications and services with equipment provided by Metaswitch.

A leading provider of carrier systems and communications software solutions, Metaswitch was selected for the legacy switch migration and rollout of IP-based services, which will allow RCN to reduce costs and operational complexity and to provide enhanced products across its customer base. The company's successful track record of managing complex network migrations and the demonstrated competence of its professional services team will help RCN to deliver on its vision to provide cutting edge, converged services, aided RCN in its selection of Metaswitch.

"We need to continue to invest in our voice network to stay ahead of the competition," said Rick Swiderski, Vice President of Engineering for RCN. "After an in-depth selection process, we identified MetaSphere as the strongest IP voice platform, based on its advanced features, flexibility, and powerful, easy-to-use network management tools. It will enable us to deliver the absolute best quality of experience to our customers."

RCN will leverage Metaswitch's distributed IP architecture to launch dynamic product and service offerings quickly and efficiently to fuel company growth. The company will offer SIP-based hosted unified communications services for businesses, tailored to their specific needs, as well as a consumer VoIP solution for residential customers.

"RCN is widely recognized as a technology leader among the largest cable operators," said John Lazar, CEO of Metaswitch. "They demand product reliability, innovation and first class support from their vendors, and we are committed to helping RCN achieve their goals."

Metaswitch at SCTE Cable-Tec Expo 2009

Metaswitch will be exhibiting at booth #16067 at SCTE Cable-Tec Expo 2009 in Denver from October 28-30.

About RCN Corporation

RCN Corporation (NASDAQ: RCNI), www.rcn.com, is a competitive broadband services provider delivering all-digital and high definition video, high-speed internet and premium voice services to residential and small-medium business customers under the brand names of RCN and RCN Business Services, respectively. In addition, through its RCN Metro Optical Networks business unit, RCN delivers fiber-based high-capacity data transport services to large commercial customers, primarily large enterprises and carriers, targeting the metropolitan central business districts in the company's geographic markets. RCN's primary service areas include Washington, D.C., Philadelphia, Lehigh Valley (PA), New York City, Boston and Chicago. (RCNI-G)

About Metaswitch Networks

Metaswitch Networks is a leading provider of carrier systems and software solutions that are powering the migration of communications networks to open, packet-based architectures. Hundreds of network operators worldwide depend on its Carrier Systems Division for reliable, scalable session control, media gateway and application/feature server solutions to enable compelling revenue-generating services. Its Network Protocols Division develops high performance, portable software components that are integrated into the products of the world's leading communications equipment manufacturers. For more information, please visit www.metaswitch.com.

Copyright © 2009 Metaswitch Networks. "Metaswitch" is a registered trademark. Brands and products referenced herein are the trademarks or registered trademarks of their respective holders.

Contact Information: Contact: Carol Daniels Metaswitch Networks +1 (510) 589-5074 chd@metaswitch.com Carmen A. Harris Connect2 Communications +1 (919) 554-3532 ext. 5 carmen@connect2comm.com Lisa Barder RCN +1 (215) 355-7175 lisa.barder@rcn.net