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Grandstream HT818 8 port FXS Gateway with Gigabit NAT Router

Grandstream HT818 8 port FXS Gateway with Gigabit NAT Router

The Grandstream HT818 V2 8 Port FXS Gateway with Gigabit NAT Router is a high-capacity analogue telephone adaptor (ATA) designed to connect analogue telephones, fax machines, and legacy PBX systems to modern SIP-based VoIP networks. Featuring eight FXS ports and an integrated Gigabit NAT router,…

£200.00

Out of stock

The Grandstream HT818 V2 8 Port FXS Gateway with Gigabit NAT Router is a high-capacity analogue telephone adaptor (ATA) designed to connect analogue telephones, fax machines, and legacy PBX systems to modern SIP-based VoIP networks. Featuring eight FXS ports and an integrated Gigabit NAT router, the HT818 V2 allows organisations to retain existing analogue equipment while gaining the advantages of IP telephony and enhanced security. It is suitable for small and medium-sized businesses, hospitality environments, enterprise deployments, and organisations migrating from traditional telephony systems.

The V2 model introduces enhanced security capabilities and updated hardware improvements while maintaining broad SIP interoperability and reliable voice performance. With support for multiple SIP profiles, T.38 fax functionality, and centralised management tools, the HT818 V2 provides a scalable and cost-effective communication solution.

Ideal For

  • Small and medium-sized businesses
  • Enterprise environments
  • Hospitality deployments
  • Home office users
  • Existing PBX integrations
  • Fax machine connectivity
  • Multi-site organisations
  • VoIP migration projects

Benefits

The HT818 V2 enables businesses to modernise communications infrastructure while continuing to use existing analogue telephones and devices, reducing replacement costs and simplifying migration to SIP-based systems.

Its integrated Gigabit NAT router reduces additional networking requirements while supporting multiple analogue devices from a single compact unit.

  • 8 FXS ports for analogue device connectivity
  • Supports 2 SIP profiles and 8 lines
  • Integrated Gigabit NAT router
  • Dual Gigabit Ethernet ports
  • 3-way voice conferencing per port
  • T.38 Fax-over-IP support
  • Wideband HD voice codec support
  • TLS and SRTP encryption
  • Enhanced device security features
  • Secure boot support
  • Automated provisioning support
  • TR-069 support
  • GDMS cloud management compatibility
  • Failover SIP server support
  • Broad SIP interoperability

Telephony Features

  • 8 × RJ11 FXS ports
  • Supports 2 SIP profiles
  • Supports up to 8 lines
  • Caller ID support
  • Call hold, transfer, forwarding and waiting
  • Message waiting indication support
  • Three-way conferencing per port
  • Flexible dial plan support
  • T.38 Group 3 fax relay support

Network Interfaces

  • 2 × 10/100/1000Mbps Gigabit RJ45 ports
  • Integrated NAT router
  • DHCP client and server support
  • QoS support

Audio Features

  • G.711, G.723.1, G.726, G.729A/B, G.722, iLBC and Opus codec support
  • Advanced line echo cancellation
  • Dynamic jitter buffer
  • Silence suppression support

Security

  • TLS and SRTP encryption
  • HTTPS secure management
  • Secure boot support
  • Unique security certificates per device
  • Encrypted provisioning support

Management

  • GDMS cloud management support
  • TR-069 provisioning support
  • XML configuration support
  • Web-based management interface

Physical

  • Desktop installation design
  • LED indicators for network and phone status
  • Compact form factor
  • Grandstream HT818 V2 8 Port FXS Gateway
  • Power Supply Unit (PSU)
  • Ethernet cable
  • Quick installation guide
  • GPL licence statement / documentation
  • Warranty documentation

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.

Overview

The Grandstream HT818 V2 8 Port FXS Gateway with Gigabit NAT Router is a high-capacity analogue telephone adaptor (ATA) designed to connect analogue telephones, fax machines, and legacy PBX systems to modern SIP-based VoIP networks. Featuring eight FXS ports and an integrated Gigabit NAT router, the HT818 V2 allows organisations to retain existing analogue equipment while gaining the advantages of IP telephony and enhanced security. It is suitable for small and medium-sized businesses, hospitality environments, enterprise deployments, and organisations migrating from traditional telephony systems.

The V2 model introduces enhanced security capabilities and updated hardware improvements while maintaining broad SIP interoperability and reliable voice performance. With support for multiple SIP profiles, T.38 fax functionality, and centralised management tools, the HT818 V2 provides a scalable and cost-effective communication solution.

Ideal For

  • Small and medium-sized businesses
  • Enterprise environments
  • Hospitality deployments
  • Home office users
  • Existing PBX integrations
  • Fax machine connectivity
  • Multi-site organisations
  • VoIP migration projects

Benefits

The HT818 V2 enables businesses to modernise communications infrastructure while continuing to use existing analogue telephones and devices, reducing replacement costs and simplifying migration to SIP-based systems.

Its integrated Gigabit NAT router reduces additional networking requirements while supporting multiple analogue devices from a single compact unit.

  • 8 FXS ports for analogue device connectivity
  • Supports 2 SIP profiles and 8 lines
  • Integrated Gigabit NAT router
  • Dual Gigabit Ethernet ports
  • 3-way voice conferencing per port
  • T.38 Fax-over-IP support
  • Wideband HD voice codec support
  • TLS and SRTP encryption
  • Enhanced device security features
  • Secure boot support
  • Automated provisioning support
  • TR-069 support
  • GDMS cloud management compatibility
  • Failover SIP server support
  • Broad SIP interoperability

Telephony Features

  • 8 × RJ11 FXS ports
  • Supports 2 SIP profiles
  • Supports up to 8 lines
  • Caller ID support
  • Call hold, transfer, forwarding and waiting
  • Message waiting indication support
  • Three-way conferencing per port
  • Flexible dial plan support
  • T.38 Group 3 fax relay support

Network Interfaces

  • 2 × 10/100/1000Mbps Gigabit RJ45 ports
  • Integrated NAT router
  • DHCP client and server support
  • QoS support

Audio Features

  • G.711, G.723.1, G.726, G.729A/B, G.722, iLBC and Opus codec support
  • Advanced line echo cancellation
  • Dynamic jitter buffer
  • Silence suppression support

Security

  • TLS and SRTP encryption
  • HTTPS secure management
  • Secure boot support
  • Unique security certificates per device
  • Encrypted provisioning support

Management

  • GDMS cloud management support
  • TR-069 provisioning support
  • XML configuration support
  • Web-based management interface

Physical

  • Desktop installation design
  • LED indicators for network and phone status
  • Compact form factor