Description
The Grandstream HT818 is a powerful 8-port VoIP gateway with 8 FXS ports and an integrated Gigabit NAT router. Built upon Grandstream’s market-leading SIP ATA/gateway technology, this powerful gateway features exceptional voice quality, strong encryption, automated provisioning and device management, and outstanding network performance for enterprise use.
Grandstream HT818 Key Features
- Supports 2 SIP profiles and 8 FXS ports
- 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
| brand | Grandstream |
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Grandstream HT818 – Technical Specifications
Interfaces
- Telephone Interfaces: Eight (8) RJ11 FXS ports
- Network Interface: 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 AESencryption, 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: 32o – 104oF or 0º – 40ºC
-Storage: 14o – 140oF or -10º – 60ºC
-Humidity: 10 – 90% Non-condensing - Dimension and Weight: (L)180mm(W)120mm*(H)36mm, 356g
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