Grandstream Networks HT818 VoIP telephone adapter

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.

- 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

Ports & interfaces

• Ethernet LAN (RJ-45) ports: 2
• Modem (RJ-11) ports: 8

Weight & dimensions

• Dimensions (WxDxH): 120 x 180 x 36 mm
• Weight: 356 g

Operational conditions

• Operating temperature (T-T): 0 - 40 °C
• Storage temperature (T-T): -10 - 60 °C
• Operating relative humidity (H-H): 10 - 90%

Protocols

• Supported network protocols: TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, STUN, SIP (RFC3261), SIP TCP/TLS, SRTP, TR-069

Network

• xDSL connection type: ADSL
• Quality of Service (QoS) support: Yes

Security

• Security algorithms: AES, HTTPS, SIPS, SSL/TLS

Call management

• Caller ID: Yes
• Conference call: Yes
• Call waiting: Yes

Features

• Voice codecs: G.711, G.723.1, G.726, G.729A, G.729B, OPUS, iLBC
• Fax compatibility: T.38
• Reset button: Yes
• LED indicators: LAN, Power, WAN
• Certification: FCC/CE/RCM

Logistics data

• Harmonized System (HS) code: 85177900

Condition: new. When shipped to GB or ROI, all our electronic articles come with a BSI-proven power adaptor fitted by our company. For free! (As long the device comes with a power cable.)