The Grandstream HT818 v2 is an 8-port FXS gateway with an integrated Gigabit NAT router, exceptional voice quality, and strong per-unit encryption.
Built for users looking for a strong analog-to-VoIP converter, the HT818 V2 is a powerful 8-port VoIP gateway with 8 FXS ports and an integrated Gigabit NAT router. 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 unique security certificate per unit Automated and 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
Specifications
Telephone interfaces Eight (8) RJ11 FXS ports; can be expanded by peering with an FXS gateway
Network interface Two (2) 10/100/1000Mbps RJ45 ports
LED indicators POWER, NET1, NET2, PHONE1, PHONE2, PHONE3, PHONE4, PHONE5, PHONE6, PHONE7, PHONE8
Factory reset button Yes
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.722, G.723.1, G.729A/B, G.72632, 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
Dial methods DTMF, pulse
Disconnect methods Busy Tone, Polarity Reversal/Wink, Loop Current
Network protocols TCP/IP/UDP, RTP/RTCP (RFC1889, 1890), HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, Telnet, STUN (RFC3489, 5389), SIP (RFC3261), SIP over TCP/TLS, SRTP, SNMP, TR-069, IMS/3GPP, IPoE
QoS Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, Diffserv, MPLS), Traffic Shaping
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
Media SRTP
Control TLS/SIPS/HTTPS, SDP(RFC 2327), Refer (RFC 3515), Offer/Answer (RFC3265) SIP V2.0 (RFC 3261, 3262, 3264), RFC3261 ETC (3GPP TS 24.629, RFC 3515, RFC 3891, RFC 3892) SIP Session Timer (RFC 4028)
Management Syslog support, SSH, remote management using web browser
Universal power supply Input: 100-240VAC, 50-60Hz Output: 12V/1.5A
Environmental Operational: 32º – 123ºF or 0º – 50ºC Storage: 14º – 140ºF or -10º – 60ºC Humidity: 10 – 90% Non-condensing
Dimensions and weight (L)180mm*(W)120mm*(H)36mm 356g
Compliance FCC/CE/RCM
