Grandstream Networks manufactures award-winning IP voice and video communications equipment, video surveillance systems, gateways, and networking solutions for global enterprises.
Grandstream Networks has been connecting the world since 2002 with unified communications and networking solutions that make communicating more impactful than ever before. Headquartered in Boston, Massachusetts, Grandstream supplies small and medium businesses and consumers with open-standard SIP-based products.
Their comprehensive portfolio includes IP phones, IP-PBX appliances, facility access systems, gateway solutions, and Wi-Fi networking devices. Counted on by global enterprises for their quality, reliability, and innovation, Grandstream products serve users in over 150 countries.
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Firmware files are available for download at the official Grandstream support website under the Firmware section.
For many recent models, the default username is 'admin' and the unique default password can be found on a sticker on the back of the unit. Older units may use 'admin' for the password as well.
You can often press **47# on the handset to have the IP address announced via the IVR, or locate it within the network settings menu on the device LCD.
Most devices have a physical reset button that must be held for about 10 seconds while powered on. Alternatively, a factory reset can be performed via the Web UI under Maintenance settings.