Eski Büyükdere Cd. No:61, 34415 Kâğıthane
0212 319 9700


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.
Grandstream products are available through our established global distribution channels. We are a private corporation headquartered in Boston, MA USA with regional locations in Los Angeles, CA, Dallas, TX, China, Venezuela, Morocco, Malaysia, and Spain.
Company Profile

Privately held with over 500 employees worldwide and profitable with strong 2-digit compound annual growth rate in sales since 2002.

We believe in connecting the world. We believe every business, large or small, should have the tools to communicate from anywhere on any device, and we design products that make this belief a reality.
Competitive Features
  • Comprehensive portfolio of UC, VoIP, networking & physical security solutions – build a full solution all under the Grandstream brand
  • One of the original SIP manufacturers – unrivaled expertise, quality and reliability as a result
  • Open-source, zero-configuration plug-and-play technology for easy deployment and broad interoperability with SIP products and services
  • State-of-the-art voice and video algorithms for crystal clear audio and video communications
  • Products sold in over 150 countries; 4th largest manufacturer of SIP phones; 2nd largest manufacturer of SIP Video Phones