About Grandstream VoIP Adapters
For entry-level IP telephony users, Grandstream VoIP adapters work with any analog phone or fax machine to offer plug-and-dial conversion of traditional analog telephone signals to a voice-over IP-based network.
Compatible with leading 3rd party VoIP service providers, Grandstream VoIP adapters are an affordable way to gain the benefits and advantages of VoIP access while maintaining superb audio quality in a device packed with features.
Why buy Grandstream VoIP Adapters?
- Full-featured Voice/Fax over IP conversion for legacy devices
- Universal plug-and-dial operation is ideal for basic IP telephony users
- Compact, lightweight, and affordable for use at home or on the road

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Grandstream HT813 Hybrid ATA with FXS and FXO ports
SKU: 02-125040
The Grandstream HT813 is an Analog Telephone Adapter with 1 FXS Port and 1 FXO Port allowing users to connect up to 2 profiles. It features lifeline support and T.38 Fax for faxover-IP.$95.00 -
Grandstream HT801 ATA
SKU: 02-123503
Grandstream's HT801 ATA replaces Grandstream's HT701 ATA and provides 1 port for connection to an analog phone or fax device on an IP or VoIP network.$49.00 -
Grandstream HT802 Dual FXS Adapter
SKU: 02-123063
Grandstream's HT802 is a Dual FXS Analog Telephone Adapter (ATA) with a sleek, modern design that is suitable for any residential or business setting that wants to turn their analog phone into a VoIP system.$55.00 -
Grandstream HT812 ATA
SKU: 02-123250
Grandstream's HT812 has 2-ports and includes a Gigabit NAT Router. This advanced analog telephone adapter replaces the HT502 and features Gigabit technology and leading echo cancellation.$65.00 -
Grandstream HT814 ATA
SKU: 02-123312
Grandstream HT814 Analog Telephone Adapter is an easy to use 4-port ATA with an integrated Gigabit NAT router. Anyone looking to convert their existing analog technology into a VoIP system would benefit from this powerful ATA.$119.00 -
Grandstream Cloud Controller for Grandstream’s GWN series
SKU: 02-125020
The Grandstream GWN.Cloud has been specifically designed to help enterprise businesses manage their Grandstream GWN series WiFi access points. The GWN.Cloud management platform is equipped with monitoring and maintenance tools that allow businesses to work more efficiently by easily managing their network across multiple locations.Read below to learn how to get started!