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AltiGen Communications, Inc. is the leading provider of 100% Microsoft-based Unified Communications solutions.

AltiGen’s corporate headquarters is located in San Jose, California, with international operations based in Shanghai, China. We’ve been deploying software-based business communications solutions since 1996 through our global network of over 300 certified partners, which provide local sales, service and support to more than 10,000 customers worldwide.

AltiGen is taking a leadership role as the communications industry shifts from a proprietary, hardware-centric systems to open, software-based solutions. Our flagship product, MaxCommunications Server (MaxCS), is a complete, software-based solution designed with an open architecture, and built on industry standard Intel