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New 'Straight Talk' product to disrupt mobile services market with BroadWorks-based advanced calling features and global dialing with affordable pricing

Mobile World Congress, Barcelona, Spain, February 12, 2008 - BroadSoft Inc., a leading provider of VoIP application software, today announced at Mobile World Congress that mobile application service provider De-Fi Mobile Ltd. has chosen BroadSoft's BroadWorks VoIP application platform to enable the delivery of media-rich, advanced IP features and global voice service to mobile users, regardless of their wireless carrier and with predictable, affordable pricing.

De-Fi Mobile's new Straight Talk™ service disrupts the existing mobile services market by bridging the gaps between carrier networks, handset manufacturers and mobile application providers that has left subscribers with hit-or-miss call quality and often exorbitant pricing for non-local calling. Straight Talk, unveiled at Mobile World Congress, will allow users to enjoy advanced BroadWorks calling features on dual-mode handsets, and the ability to dial to and from anywhere in the world without worrying about high-cost roaming tariffs and long distance charges.

De-Fi Mobile has created its own IP Network for which BroadWorks will provide a consistent call experience across the IP domain and Circuit Switch domain, allowing WiFi-enabled mobile phones to access the SIP-based network. Through peering and interconnect agreements with over 220 carriers, cable and DSL providers globally, the De-Fi Mobile network combines carrier-grade architecture and next-generation mobile technology to deliver a seamless, feature-rich user experience.

"Voice-centric cellular networks are becoming increasingly stressed by media-rich IP applications and services," commented Jeffrey P. Rice, De-Fi's chief executive officer. "De-Fi built its own IP network to provide a superior alternative for media-rich, bandwidth intensive, real-time mobile applications and services. Wherever WiFi is available, mobile users can access De-Fi's application platform to receive BroadWorks-based voice services.

"Straight Talk is just our first service rollout," continued Rice. "Upcoming services include video, gaming, web access, social networking, IM, email… you name it, we will deliver it."

BroadWorks provides a range of services including call routing and call continuity, providing the pre-IMS architecture required to deliver high bandwidth mobile applications direct to mobile handsets provisioned with the De-Fi SIP client. De-Fi Mobile subscribers will also have access to BroadWorks features such as simultaneous ring and alternate numbers. De-Fi Mobile subscribers will benefit from a carrier-grade quality of service at affordable, predictable costs.

"Whilst rich mobile applications offer carriers differentiation and new revenue opportunities, poor user experience and the high costs associated with the delivery of such high bandwidth services are preventing mass adoption. Consumers are hungry for a better user experience with exciting new applications," said Scott Wharton, vice president of Marketing for BroadSoft. "De-Fi represents a fundamental shift in the mobile services industry toward mobile VoIP services that are 'De-Fined' by their quality, advanced features and price predictability."

Consumers can sign up for the Straight Talk service on De-Fi's web portal at http://www.defimobile.com/, and begin using the service within minutes. Subscribers can choose phone numbers in 28 countries. Straight Talk is currently available to users of Nokia E and N series phones. Additional handsets will be supported soon.

Visit De-Fi at GSMA Mobile World Congress in Hospitality Suite 4.6HS38. Visit BroadSoft at Mobile World Congress in Hospitality Suite 4.6HS50. To request a meeting or demo, send an email to events@broadsoft.com.

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 capable of providing these applications with the reliability, redundancy, scalability and regulatory capabilities required to deliver carrier-class service.

About BroadSoft

BroadSoft provides VoIP application software that enables the delivery of hosted telephony and multimedia services. Its award-winning flagship BroadWorks® technology empowers wireless, wireline and cable carriers to deliver next-generation voice and multimedia applications and advanced features that enable them to 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 7 of the top 10 and 13 of the top 25 largest carriers worldwide, as measured by recent annual revenue, including Korea Telecom, KPN, SingTel, Sprint, Telefonica de Espana, Telstra, T-Systems, and Verizon. For additional information, go to www.broadsoft.com.

About De-Fi Mobile Ltd.
Founded in 2006, De-Fi Mobile Ltd. is a mobile communications company that provides an IP platform for mobile applications and services. Combining carrier grade architecture with next generation mobile technology, De-Fi delivers a seamless and feature rich mobile experience to worldwide users of mobile devices. Visit De-Fi Mobile at http://www.defimobile.com/.

For a limited time, owners of Nokia ESeries and NSeries smartphones can sign up to become the first to try De-Fi StraightTalk at http://www.defimobile.com/.

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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