Fast dispatch and helpful advice before we placed a multi-site order. Pricing was clear and the product arrived ready for install.
Wesley G.
Grandstream HT812 V2 2-Port ATA IP Telephone Adaptor
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£44.00
Excl. VAT
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**Product Overview**
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.
**Ideal For**
- Home and residential users
- Small businesses
- Home office environments
- Hospitality deployments
- Existing analogue telephone integration
- Fax machine connectivity
- VoIP migration projects
- Remote workers
**Benefits**
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.
- Grandstream HT812 V2 2 Port ATA IP Telephone Adaptor
- Power Supply Unit (PSU)
- Ethernet cable
- 2 FXS ports for analogue telephone connectivity
- Supports 2 SIP profiles and 2 lines
- Integrated Gigabit NAT router
- Dual Gigabit Ethernet ports
- 2 FXS ports for analogue telephone connectivity
- Supports 2 SIP profiles and 2 lines
- Integrated Gigabit NAT router
- Dual Gigabit Ethernet ports
- Supports 3-way voice conferencing per port
- T.38 Fax-over-IP support
- TLS and SRTP encryption technology
- Automated provisioning using TR-069 and XML configuration files
- Failover SIP server support
- Broad caller ID format support
- Zero Configuration provisioning with compatible Grandstream UCM systems
- HD voice codec support
Telephony Features
- 2 × RJ11 FXS ports
- Supports 2 SIP profiles and 2 lines
- Caller ID display and blocking support
- Call waiting, transfer, forwarding and hold
- Do Not Disturb support
- Three-way conferencing per port
- Flexible dial plan support
- T.38 Group 3 fax relay support up to 14.4kbps
Network Interfaces
- 2 × 10/100/1000Mbps RJ45 Gigabit ports
- Integrated NAT router functionality
- DHCP client and server support
- QoS support with Layer 2 and Layer 3 prioritisation
Audio Features
- G.711, G.722, G.723.1, G.726, G.729A/B, iLBC and Opus codec support
- Dynamic jitter buffer
- Advanced line echo cancellation
- Silence suppression support
Security
- TLS and SRTP encryption
- HTTPS secure management
- Secure AES-encrypted provisioning
- Unique security certificate per device
Management
- TR-069 provisioning support
- XML configuration support
- Web-based management interface
- GDMS device management compatibility
- Zero-touch provisioning support
Physical
- LED indicators: Power, NET1, NET2, Phone 1 and Phone 2
- Compact desktop design
- Dimensions: 130 × 90 × 28.5mm
- Weight: approximately 353g
**What's in the Box**
- Power Supply Unit (PSU): Power accessory
- Ethernet cable
- Quick installation guide: Included documentation
- Warranty documentation: Manufacturer warranty information
**Shipping and Fulfilment**
- **UK delivery:** Standard, express and timed services are shown at checkout where available.
- **Dispatch:** Stocked products are prepared for dispatch during normal business days.
- **Large or project orders:** Delivery timing is confirmed with the order or quotation.
- **VAT:** Product prices are displayed excluding VAT; VAT is calculated at checkout.
Grandstream HT812 V2 2-Port ATA IP Telephone Adaptor
£44.00
Excl. VAT
· In stock for trade orders
Trade pricing availableNext-day UK dispatchAuthorised supplyProject quote supportSecure checkoutExpert pre-sales advice
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