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Application Software to Deliver Carrier-class VoIP Services to Small and Medium Businesses Across State

Gaithersburg, MD - August 22, 2006- BroadSoft, Inc., a leading provider of VoIP application software, today announced that O1 Communications, Inc., a leading California provider of next-generation telecommunications services, has selected the BroadSoft® VoIP application software as the platform to deliver high-quality, customized VoIP services. Beginning in August, O1 will leverage the BroadWorks® platform to provide hosted PBX, business trunking, and IP Centrex services to small- and medium-sized enterprises throughout the West Coast and to wholesale customers worldwide.

O1cited BroadSoft's position as the industry leader in VoIP application software, as well as the platform's flexibility and broad feature set, as reasons for selecting the BroadWorks application platform.

"BroadWorks provides a foolproof VoIP solution that enables O1 to offer our customers advanced VoIP services. Our goal is to reach beyond our current Sacramento customer base and to expand throughout the West Coast," said Brad Jenkins, CEO of O1, based in Sacramento, Calif. "The BroadSoft framework will allow us to bring a full range of services to market quickly, and to bundle innovative voice and data packages to meet our customers' specific requirements."

"O1 distinguishes itself by customizing its services and designing special applications to adapt to customer needs, rather than forcing customers to adapt their business models around its service offerings," said Michael Tessler, president and CEO of BroadSoft. "O1 possesses one of the strongest MPLS wide area networks in the region. Its deployment of BroadWorks, coupled with a Class A colocation facility and other new technology, enables O1 to now offer its customers a full-service telephone company that is poised to dramatically grow its market share."

About O1 Communications, Inc.

Founded in 1998, O1 Communications, Inc. is a leading provider of next-generation telecommunication services to Internet Service Providers and provider of business telephone services to small- and medium-sized companies in California. O1 offers a growing suite of business-to-business services, such as voice and data solutions via its direct sales and channel partnership organizations.
O1 Communications, Inc. is recognized by its customers for delivering the highest-quality service and support. O1 was named the fastest-growing company in Sacramento in 2002 by the Sacramento Business Journal. For more information about O1's services and partnership opportunities, visit O1 online at www.o1.com, or call Max Seely at (888) 444-1111.

About The BroadWorks Platform

BroadSoft's IMS-compliant BroadWorks® platform provides a comprehensive range of VoIP applications, including hosted PBX, IP Centrex, mobile PBX, business trunking, and residential broadband services fully integrated into a single VoIP application platform. BroadWorks is uniquely capable of providing these applications with the reliability, redundancy, scalability, and regulatory capabilities required to deliver carrier-class service.

About BroadSoft

BroadSoft's VoIP application software is revolutionizing the delivery of hosted telephony and multimedia services. Its flagship BroadWorks® technology empowers wireless and wireline carriers to deliver next-generation voice and multimedia applications and advanced features that increase revenue, enhance competitive differentiation, and elevate customer satisfaction. BroadSoft's family of carrier-class software products delivers the scale, open architecture, and reliability that the world's leading telecommunications companies demand to serve mission-critical enterprise and residential broadband customers. BroadSoft provides VoIP applications to 6 of the top 10 and 11 of the 25 largest carriers worldwide, including BellSouth, Korea Telecom, Singtel, Telefonica de Espana, Telstra, T-Systems, Verizon and XO Communications. For additional information, go to www.broadsoft.com.

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About BroadSoft:

BroadSoft, now a part of Cisco, is a technology innovator in cloud PBX, unified communications, team collaboration, and contact center solutions for businesses and service providers across 80 countries. We aim to empower users and teams to share ideas and work simply to achieve breakthrough performance. For additional information, visit www.BroadSoft.com.

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