Grandstream Networks was founded in 2002, as a manufacturer of IP voice and video communications equipment, video surveillance, gateways and analog telephone adapters, and Asterisk-based IP-PBX appliances. Headquartered in Boston, Massachusetts, United States the company supplies small and medium businesses and consumers with open-standard SIP-based products. Grandstream Networks has been manufacturing award-winning IP voice and video telephony, video conferencing and video surveillance products since 2002.