Description
Grandstream HT818 v2 8-Port Analog Telephone Adapter (ATA)
Enterprise-Class 8-Port VoIP Gateway with Gigabit NAT Routing
The Grandstream HT818 v2 is a powerful, carrier-grade 8-port analog telephone adapter (ATA) designed to connect multiple analog phones and fax machines to modern SIP VoIP systems. With an integrated dual Gigabit NAT router and strong security features, it is ideal for business, multi-site deployments, and service providers that require reliable analog-to-VoIP conversion at scale.
Key Features and Benefits
- 8 FXS ports supporting up to 2 SIP profiles
- Integrated dual Gigabit Ethernet ports with NAT routing
- Exceptional HD voice quality with wide-band codecs
- T.38 Fax-over-IP and G.711 fax pass-through
- Strong AES encryption with per-unit security certificate
- Automated provisioning with TR-069 and XML config files
- 3-way voice conferencing per port
- LED indicators for power, network, and individual phone ports
Enterprise-Grade Analog to VoIP Conversion
The HT818 v2 enables installation of up to 8 analog phones or fax modems as SIP endpoints, efficiently extending VoIP services to legacy equipment while maintaining high voice quality and network performance.
Robust Security & Provisioning
Advanced security features such as strong AES encryption, TLS/SRTP media protection, and automated provisioning streamline deployment and protect voice communications across distributed networks.
Ideal for Business & Service Provider Networks
With carrier-grade reliability and centralized management options including remote provisioning and monitoring, the HT818 v2 is suited for business environments, branch offices, and hosted VoIP services.
Part Details:
Grandstream HT818 v2 Analog Telephone Adapter – 8× FXS ports, dual Gigabit NAT router, SIP VoIP gateway, T.38 fax support, AES security.
Additional Information:
Interfaces
Network Interface: 2 × 10/100/1000 Mbps RJ45 (WAN & LAN)
LED Indicators: POWER, NET1, NET2, PHONE1–PHONE8
Factory Reset Button: Yes
Voice, Fax & Telephony Features
Call waiting, hold, forward, DND
Blind & attended transfer
3-way voice conferencing per port
T.38 Fax-over-IP relay up to 14.4 kbps
Fax pass-through via G.711
Voice Codecs
G.711 (PLC, VAD/CNG), G.723.1, G.729A/B
G.726-32, iLBC
Dynamic jitter buffer and advanced echo cancellation
Network & Signaling
RTP/RTCP, SRTP (media encryption)
DNS, DHCP, NTP, TFTP, SNMP, TR-069
High-performance NAT routing for multiple endpoints
Security & Management
TLS / HTTPS / SIPS control encryption
Automated provisioning via TR-069 & XML config files
Remote web, SSH, and syslog management
Power & Environment
Operating Temperature: 0°C – 40°C (32°F – 104°F)
Storage Temperature: -10°C – 60°C
Humidity: 10% – 90% non-condensing
Physical Specifications
Weight: Approx. 356 g (without package)
Package Contents
Power adapter
Ethernet cable
Quick Start Guide
***ONE YEAR LIMITED MANUFACTURER'S WARRANTY INCLUDED
Browse more Grandstream VoIP gateways and accessories here.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.