Founded in 2002, Grandstream Networks is a manufacturer of IP voice and video communications equipment, video surveillance, gateways and analog telephone adapters (ATAs), and Asterisk-based IP-PBX appliances. Grandstream supplies small and medium businesses and consumers with open-standard SIP-based products.

The headquarters of Grandstream Networks is in Boston, Massachusetts,[1] and has offices in Plano, Texas and Los Angeles, California in the US, and in Casablanca in Morocco, Valencia, Venezuela and Shenzhen, China.