The HT818 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, it features Grandstream’s market-leading SIP ATA/gateway technology with millions of units successfully deployed worldwide. This powerful gateway carries exceptional voice quality in various application environments, strong encryption with unique security certificate per unit, automated provisioning for volume deployment and device management, and outstanding network performance for enterprise use.

Features:
• Supports 2 SIP profiles and 8 FXS ports
• Strong AES encryption with security certificate per unit
• Automated & secure provisioning options using TR069
• 3-way voice conferencing per port
• Exceptional voice quality with wide-band HD codec
• Supports T.38 Fax for reliable Fax-over-IP
• Supports dual Gigabit network ports
• High performance NAT router

Warranties - Returns:
Money Return:	Repair - Replacement:
20 days	24 months

No of FXS ports: 8

Interfaces
Telephone Interfaces	Eight (8) RJ11 FXS ports
Network Interfaces	Two (2) 10/100/1000Mbps RJ45 ports
LED Indicators	POWER, LAN, WAN, PHONE1, PHONE2, PHONE3, PHONE4, PHONE5, PHONE6, PHONE7, PHONE8
Factory Reset Button	Yes
Voice, Fax, Modem
Telephony Features	Caller ID display or block, call waiting, flash, blind or attended transfer, forward, hold, do not disturb, 3-way conference
Voice Codecs	G.711 with Annex I (PLC) and Annex II (VAD/CNG), G.723.1, G.729A/B, G.726, iLBC, OPUS, dynamic jitter buffer, advanced line echo cancellation
Fax Over IP	T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through
Short/Long Haul Ring Load	2 REN, up to 1km on 24AWG line
Caller ID	Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID
Disconnect Methods	Busy Tone, Polarity Reversal/Wink, Loop Current
Signaling
Network Protocols	TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, STUN, SIP (RFC3261), SIP over TCP/TLS, SRTP, TR-069
QoS	Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, Diffserv, MPLS)
DTMF Method	In-audio, RFC2833 and/or SIP INFO
Provisioning and Control	HTTP, HTTPS, SSH, TFTP, TR-069 , secure and automated provisioning using AES encryption, syslog
Security
Media	SRTP
Control	TLS/SIPS/HTTPS
Management	Syslog support, SSH, remote management using web browser
Physical
Universal Power Supply	Input: 100-240VAC, 50-60Hz Output: 12V/1.5A
Environmental	Operational: 32° ~ 104°F or 0° ~ 40°C; Storage: -10 ~ 140°F or -10º – 60ºC Humidity: 10 - 90% non condensing
Dimensions(LxWxH)	180mm x 120mm x 36mm (when laying flat)
Compliance	FCC/CE/RCM