Grandstream HT818
VoIP gateway for connecting your analog devices to a VoIP network, featuring eight FXS ports , two SIP accounts, dual gigabit ports and an integrated NAT router . It is designed for users looking for an analog to VoIP converter and offers SIP ATA/gateway technology. Better security for protecting calls and accounts is provided by support for AES encryption technology with a security certificate for a specific unit.
The IP gateway offers advanced telephony features such as call forwarding, call hold, and incoming message notification. You can also use the support for three-way audio conferencing for each FXS port, or the fax service called fax-over-ip (T.38 protocol). You will also be pleased with the ability to choose from a wide range of caller ID formats. Exceptional voice quality is ensured by HD codec support and QoS (Quality of Service) support . For better device management, you can use automatic provisioning within TR-069, or support for XML confing files.
BASIC SPECIFICATIONS
Network interface: 2 x Gigabit RJ45
FXS ports: 8 x RJ11
Supported 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
Audio coding protocols: 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 echo cancellation
Dimensions: 180 x 120 x 36 mm
