Grandstream HT814 4‑Port FXS Gateway with Gigabit NAT Router
The Grandstream HT814 is a 4‑port FXS VoIP gateway and ATA with an integrated Gigabit NAT router, supporting dual SIP profiles across four analog phone/fax ports, T.38 Fax‑over‑IP, robust security (TLS/SRTP), automated provisioning, and advanced telephony features — ideal for connecting multiple analog devices to modern VoIP systems in home or small business environments.
Description
Grandstream HT814 4‑Port FXS Gateway with Gigabit NAT Router
Key Features:
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4 × FXS Ports (RJ11): Supports four analog phones or fax machines for VoIP connectivity.
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2 × Gigabit Ethernet Ports: Integrated Gigabit NAT router with high‑performance routing up to ~100 Mbps.
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Dual SIP Profiles: Two independent SIP accounts across all four ports for flexible trunking.
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Wideband HD Voice: Support for wide‑band codecs (e.g., G.722) and multiple voice codecs for clear audio.
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T.38 Fax‑over‑IP: Reliable Group 3 fax relay with automatic fallback to G.711.
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Advanced Telephony Features: Caller ID display/block, call waiting, flash, blind/attended transfer, forward, hold, Do Not Disturb (DND), and 3‑way voice conferencing per port.
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Secure Communications: TLS/SRTP encryption protects signaling and media; unique security certificate per unit.
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Automated Provisioning: TR‑069 and XML config support for large‑scale deployment and management.
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Failover Support: Automatically switches to a secondary SIP server if the main server connection fails.
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LED Status Indicators: POWER, LAN, WAN, PHONE1–PHONE4 for easy monitoring.
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Broad Caller ID Formats: Supports Bellcore, ETSI, BT, NTT, and DTMF CID standards.
Hardware & Technical Specs:
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Telephone Interfaces: 4 × RJ11 FXS ports for analog endpoints.
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Network Interfaces: 2 × 10/100/1000 Mbps RJ45 ports (LAN & WAN).
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Voice Codecs: G.711 (PLC/VAD/CNG), G.722 (wideband), G.723.1, G.726‑32, G.729A/B, iLBC, OPUS; jitter buffer & echo cancellation.
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Fax Support: T.38 Group 3 with fallback to G.711 for fax pass‑through.
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Protocols: SIP (RFC3261), TCP/IP, UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, TELNET, STUN, TR‑069, SRTP/TLS.
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LEDs: Power, LAN, WAN, Phone1, Phone2, Phone3, Phone4.
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Factory Reset: Yes.
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Power: Universal 100–240 VAC to 12 V/1 A adapter included.
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Ring Load: 2 REN per port; short/long haul support ~1 km on 24 AWG line.
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Dimensions & Weight: ~130 × 90 × 28.5 mm; ~0.29 kg (varies by region).
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Operating Temp: ~0–50 °C; storage −10–60 °C; humidity 10 %–90 % non‑condensing.
Technical Datasheet
You can download the full technical documentation for this product from the link below:
Download PDF Datasheet







