Leading UK Telecom Systems & Services Supplier, Datasharp, Joins AltiGen Partner Network

SAN JOSE, CA--(Marketwire - June 25, 2009) - AltiGen Communications, Inc. (NASDAQ: ATGN), a leading provider of 100 percent Microsoft-based VoIP business phone systems and Unified Communications solutions, is pleased to announce the addition of Datasharp to its European partner network. Founded in 1980, Datasharp UK Ltd supports over 25,000 customers via its 55 offices throughout the United Kingdom. With over 20 years' experience in providing integrated voice and data solutions to organizations within the UK and throughout the European Union, Datasharp brings a comprehensive suite of technology consulting, solution design and deployment, training and support services to clients in the mid-size and enterprise markets.

"With our long history serving the telecommunications needs of organizations throughout the United Kingdom, we have a unique understanding of the business requirements and operational objectives of our clients," stated Datasharp Sales Director, Paul Fullman. "The majority of our clients utilize Microsoft infrastructure technologies and are especially keen to explore Microsoft-based Unified Communications solutions. The AltiGen platform, with its seamless integration for both Microsoft Exchange and Office Communications Server, is an ideal solution for organizations interested in leveraging their investment in Microsoft infrastructure."

"As an independent supplier of telecom systems and services for nearly 30 years, our primary goal has always been to provide the highest value solutions for our clients," noted Datasharp Managing Director, Roy Carter. "Our partnership with AltiGen enables us to offer a comprehensive suite of highly compelling and cost-effective Microsoft-based VoIP and Unified Communications solutions for our clients both large and small."

"We are pleased to have Datasharp representing AltiGen in the United Kingdom," stated Jeff Kays, AltiGen's Vice President of Business Development. "With its large and diverse customer base including Ferrari Maserati, The Royal Yachting Association and the Tate Gallery (St. Ives), coupled with a national network of over 50 offices and extensive expertise in VoIP and Unified Communications, Datasharp is uniquely positioned to bring AltiGen's award-winning platform to organizations across the UK."

"Strategic partnerships are a foundational component of our business model," stated Jerry Fleming, AltiGen's President & COO. "We are impressed with Datasharp's history of growth and innovation in the ever-evolving telecommunications market and look forward to collaborating with the Datasharp team in bringing AltiGen's 100 percent Microsoft-based VoIP and Unified Communications solutions to organizations throughout the United Kingdom."

About AltiGen Communications

AltiGen Communications, Inc. (NASDAQ: ATGN) is a leading provider of 100 percent Microsoft-based VoIP business phone systems and Unified Communications solutions. Having more than 10,000 customers around the world, AltiGen solutions are designed for high reliability, ease of use, seamless integration to Microsoft infrastructure technologies, and are built on a scalable, open standards platform. AltiGen's worldwide headquarters is in Silicon Valley, California, with international operations based in Shanghai, China. Local sales, service and support are provided by AltiGen's worldwide network of over 300 certified partners. For more information, call 1-888-ALTIGEN or visit the web site at www.altigen.com.

Safe Harbor Statement

This press release contains forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934, including, without limitation, statements regarding the continued market acceptance of our Voice over IP telephone systems, and AltiGen's ability to successfully grow its value added reseller channel. These statements reflect management's current expectation. However, actual results could differ materially as a result of unknown risks and uncertainties, including but not limited to, risks related to AltiGen's limited operating history. For a more detailed description of these and other risks and uncertainties affecting AltiGen's performance, please refer to AltiGen's Annual Report on Form 10-K for the fiscal year ended September 30, 2008 and all subsequent current reports on Form 8-K and quarterly reports on Form 10-Q. All forward-looking statements in this press release are based on information available to AltiGen as of the date hereof and AltiGen assumes no obligation to update these forward-looking statements.