Grandstream Networks, Inc. has been connecting the world since 2002 with SIP Unified Communications solutions that allow businesses to be more productive than ever before. Our award-winning solutions serve the small and medium business and enterprises markets and have been recognized throughout the world for their quality, reliability and innovation. Grandstream solutions lower communication costs, increase security protection and enhance productivity. Our open standard SIP-based products offer broad interoperability throughout the industry, along with unrivaled features, flexibility and price competitiveness.his company has established itself for its superb quality with luxurious features. Also of its Excellency, Grandstream is in full compliance with the ongoing standards of the industry. Providing the world with an outstanding range of SIP based VoIP products, the Grandstream has made a name for itself in the VoIP industry. The Sole credit of its success goes to the cunning innovation and superior quality of its products.Grandstream IP Phone PBX System workers can have enterprise-grade communication capabilities wherever they’re going, including video conferencing with room-based systems, peer-to-peer video, web conference, calendar access, CRM integration, instant messaging and presence.Organizations can keep pace with the latest UC and phone features with Grandstream PBX System.