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Christmas cut off: The Christmas delivery cut-off date has passed. Delivery before Christmas is not guaranteed. For the best chance of receiving your order in time, please select Express shipping.
Please be advised that our website will undergo maintenance at 5:00 PM. We expect to be back online by 7:00 PM. During this time, the website may not function at full capacity.
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Grandstream HT818 FXS ATA 8 Port Voip Gateway
Grandstream HT818 FXS ATA 8 Port Voip Gateway
The HT818 v2 is a powerful 8-port VoIP gateway with 8 FXS ports and an integrated Gigabit NAT router. Built for users looking for a strong analog-to-VoIP converter.
Features:- 8 FXS Ports: Connects up to eight analog phones or fax machines to VoIP services simultaneously.
- Gigabit Connectivity: Includes dual 10/100/1000 Mbps network ports for high-speed performance.
- HD Voice Quality: Supports wideband audio codecs and advanced echo cancellation for clear communication.
- Advanced Security: Features TLS and SRTP encryption for secure voice transmission.
- Failover Support: Includes a lifeline port that automatically switches to PSTN during power or network failures.
- SIP Compatibility: Interoperable with major SIP platforms, softswitches, and IP PBXs.
- Easy Management: Supports TR-069, XML configuration files, and Grandstream Device Management System (GDMS) for remote provisioning.
- High Performance: Equipped with a powerful NAT router and dual firmware images for reliability and redundancy.
- Ports: 8 FXS ports, 2 Gigabit Ethernet ports (RJ45), 1 RJ11 PSTN lifeline port
- Protocols: SIP (RFC 3261), UDP/TCP/TLS, SRTP, HTTP/HTTPS, TFTP, TR-069, IPv4/IPv6
- Voice Codecs: G.711μ/a, G.722, G.723.1, G.726, G.729A/B, iLBC, OPUS, in-band and out-of-band DTMF
- Fax Support: T.38 Fax relay and G.711 pass-through
- Network Features: NAT router, DHCP server/client, QoS, VLAN tagging, DNS SRV, DDNS
- Security: TLS/SRTP encryption, 802.1x authentication, strong password protection
- Management: Web UI, HTTP/HTTPS, TFTP, TR-069, XML provisioning, GDMS support
- Power Supply: 12V DC, 1.5A (external adapter)
- Power Consumption: 6W (typical)
- Operating Temperature: 0°C to 40°C (32°F to 104°F)
- Humidity: 10% to 90% non-condensing
- Dimensions: 158mm × 117mm × 34mm
- Weight: Approx. 340g
- What's in the Box:
- HT818 V2 ATA Unit
- Power Adapter (12V DC)
- Ethernet Cable
- Quick Installation Guide






