Erb's Business Machines Joins AltiGen's Growing Reseller Network

FREMONT, CA--(Marketwire - April 15, 2009) - AltiGen Communications, Inc. (NASDAQ: ATGN), a leading provider of 100% Microsoft-based VoIP business phone systems and Unified Communications solutions, is pleased to announce the addition of Erb's Business Machines to its growing reseller network. Cedar Rapids, IA-based Erb's has been providing innovative technology solutions throughout the "Hawkeye" state since 1962. From their early days as a provider of typewriters, adding machines and calculators (the high technology tools of the 1960s) to now offering a comprehensive portfolio of voice and data networking solutions and services, Erb's over 40 employees have remained focused on "connecting people with technology." Through partnerships with leading technology developers such as Microsoft, HP, IBM and now, AltiGen Communications, Erb's designs and deploys advanced, yet affordable technology solutions tailored to the specific needs of their clients.

"Today, especially, business owners and executives are seeking solutions which deliver measurable productivity enhancements with a rapid ROI. AltiGen's software powered, Microsoft-based VoIP platform with its single Windows server architecture eliminates much of the cost and complexity associated with more hardware-centric voice solutions," stated Mike Brogan, Erb's President.

Jim Koch, VP of Sales for Erb's, added, "AltiGen core platform advantages: Microsoft architecture, rich productivity enhancing applications, and ease of administration are very attractive to our customers. Beyond that, we are very pleased with AltiGen's demonstrated commitment in collaborating with us to introduce AltiGen's VoIP and unified communications solutions to our market."

"We are pleased to have an organization with the expertise and rich history of Erb's joining our partner network," stated Jeff Kays, AltiGen's Vice President of Business Development. "As a Microsoft Certified Partner with extensive experience in providing both voice & data solutions, Erb's is an ideal partner to deliver our Microsoft-based unified communications solutions."

"As a channel focused sales organization, committed, capable and credible partners are crucial to our success," noted AltiGen Vice President of Sales, Mike Plumer. "In supporting the technology needs of their customers for over 46 years, Erb's has demonstrated an enduring commitment to excellence. We look forward to building our partnership with Erb's and their customers."

About AltiGen Communications

AltiGen Communications, Inc. (NASDAQ: ATGN) is a leading provider of 100% 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.