The Grandstream HT812 V2 2 Port ATA IP Telephone Adaptor is a compact VoIP adaptor designed to connect analogue telephones and fax machines to SIP-based networks. Featuring two FXS ports, dual Gigabit connectivity, an integrated NAT router, HD voice support, T.38 fax compatibility, and enhanced security features, it delivers a reliable and cost-effective communication solution.
£44.00
The Grandstream HT812 V2 2 Port ATA IP Telephone Adaptor is a compact analogue telephone adaptor designed to connect traditional analogue telephones and fax machines to modern SIP-based VoIP networks. Featuring two FXS ports and an integrated Gigabit NAT router, the HT812 V2 allows users to retain existing analogue equipment while benefiting from advanced IP telephony functionality. It is designed for home users, small businesses, hospitality environments, and organisations migrating from traditional telephony systems.
Built on Grandstream’s ATA platform, the HT812 V2 provides HD voice support, advanced security encryption, automated provisioning tools, and broad SIP interoperability, delivering reliable voice performance for both home and business deployments.
The HT812 V2 enables users to continue using existing analogue telephones and fax equipment while avoiding unnecessary hardware replacement costs when moving to IP-based communications.
Its integrated Gigabit NAT router reduces additional networking hardware requirements and simplifies deployment in smaller office and residential environments.
Next Day Delivery
For UK orders received before 1pm Monday to Friday, we operate a next business day delivery service, subject to availability. We use next day services from the leading delivery companies.
Specific Time Delivery
If you need an item urgently, or delivered at a specific time, please contact us.
Delivery Methods
We use several leading delivery companies. The majority of our deliveries are made by DPD, including most international orders.
Shipping prices are calculated during the checkout process. We deliver to almost every country. For international delivery services, we use DHL, a high quality, fast delivery service. Prices are provided based on the weight of the order; this is calculated when you reach the checkout.
For full shipping information please visit our shipping page.
The Grandstream HT812 V2 2 Port ATA IP Telephone Adaptor is a compact analogue telephone adaptor designed to connect traditional analogue telephones and fax machines to modern SIP-based VoIP networks. Featuring two FXS ports and an integrated Gigabit NAT router, the HT812 V2 allows users to retain existing analogue equipment while benefiting from advanced IP telephony functionality. It is designed for home users, small businesses, hospitality environments, and organisations migrating from traditional telephony systems.
Built on Grandstream’s ATA platform, the HT812 V2 provides HD voice support, advanced security encryption, automated provisioning tools, and broad SIP interoperability, delivering reliable voice performance for both home and business deployments.
The HT812 V2 enables users to continue using existing analogue telephones and fax equipment while avoiding unnecessary hardware replacement costs when moving to IP-based communications.
Its integrated Gigabit NAT router reduces additional networking hardware requirements and simplifies deployment in smaller office and residential environments.