Grandstream HT814
4-port analog telephone adapter (ATA) with integrated gigabit NAT router enables you to create high-quality and manageable IP telephony solutions for home and office environments. This powerful gateway, built on leading SIP ATA/gateway technology, offers exceptional voice quality in various application environments, strong encryption with a unique security certificate per unit, auto provisioning for mass deployment and device management, and excellent network performance. The adapter offers advanced telephony features such as call forwarding, call holding, caller ID display or blocking, etc. You can also use the support of three-way audio conferencing or faxing service called fax-over-ip ( T.38 protocol). Better security, to protect calls and accounts, is provided by support for TLS and SRTP encryption technologies.
BASIC SPECIFICATIONS
Network interface: 2x RJ-45 10/100/1000 Mbps
FXS ports: 4x RJ-11
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, IMS/3GPP
Audio coding protocols: G.711 with Annex I (PLC) and Annex II (VAD/CNG), G.722, G.723.1, G.729A/B, G.726, iLBC, OPUS, dynamic jitter buffer, advanced echo cancellation
Dimensions: 130 x 90 x 28.5 mm
