Grandstream HT818 V2 ATA – 8 FXS Ports, 2 Gigabit Ethernet Ports

Run Up to 8 Analog Phones or Fax Machines over VoIP — Grandstream HT818 V2

The Grandstream HT818 V2 is an 8-port FXS ATA gateway that turns analog phones and fax machines into VoIP extensions, with two Gigabit ports and a built-in NAT router to manage connectivity from a single device.

Why Choose the HT818 V2?

Instead of using several separate ATA adapters, the HT818 V2 connects up to 8 analog devices through one gateway, with high voice quality, T.38 fax support and centralized management that suits branches, offices and businesses.

What Does It Offer?

• 8 FXS ports: connect up to 8 analog phones or fax machines.


• 2 SIP profiles: for setting up calls through SIP servers.


• Two Gigabit Ethernet ports: 10/100/1000Mbps.


• High-performance built-in NAT router.


• 3-way voice conferencing per port.


• Wideband HD audio: better call quality with compatible codecs.


• T.38 fax: run fax machines over an IP network.


• Failover SIP Server: switches to the backup server when the primary server is lost.


• AES encryption and a unique certificate per device: with supported communication security technologies.


• Secure provisioning: via TR-069 and network management options.


• GDMS management: for centralized setup and monitoring.

Key Technical Specifications

• Model: HT818 V2


• Type: 8-Port FXS Analog Telephone Adapter / Gateway


• FXS: 8


• SIP profiles: 2


• Network: 2 × Gigabit Ethernet


• NAT router: built-in


• Voice conferencing: 3 parties per port


• Fax over IP: T.38


• Operating temperature: 0°C to 50°C


• Dimensions: 180 × 120 × 36 mm

Best Suited For

Offices, branches, hotels and businesses that want to run several analog phones or fax machines on an IP PBX or SIP service from a single point.

Easily convert up to 8 analog devices to VoIP — order the Grandstream HT818 V2 from Catcher.