Grandstream HT812 FXS Gateway: 2 FXS Ports Nat Router

Telephony interfaces Two (2) FXS ports Network interfaces Two (2) 10/100/1000Mbps RJ45 ports LED indicators POWER SUPPLY, LAN, WAN, TELEPHONE 1, TELEPHONE 2 Factory Reset button Yes Functions Number detection and blocking number detection, waiting for a call, flash, blind or accompanied translation, redirection, hold, do not disturb, 3-way conference Speech encoders G.711 with Appendix I (PLC) and Appendix II (VAD/CNG), G.722, G.723.1, G.729A/B, G.726, iLBC, OPUS, dynamic jitter buffer, advanced line echo compensation Fax by IP Fax relay of the third group of the standard T.38 with support for data transfer rates up to 14.4 kbit/s and auto-switching in G 711 for fax transmission Call range for short-range/long-range communication 3 REN, up to 1 km on the 24AWG line Caller ID Bellcore Type 1 and 2, ETSI, BT, NTT, and DTMF-based CID Separation methods Busy signal, Reverse polarity/control pulse, Current in the circuit 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 Setup and management HTTP, HTTPS, SSH, TFTP, TR-069, secure and automated configuration using AES encryption, system log Wednesday SRTP* Control TLS/SIPS/HTTPS Management System log support, SSH, remote management using a web browser Universal power supply Input: 100-240V, 50-60Hz Output: 12V/0.5A Environmental characteristics Working conditions: 32º – 104ºF or 0º – 40ºC Storage: 14º – 140ºF or -10º – 60ºC Humidity: 10 – 90% Non-condensing Dimensions and weight 28.5 x 130 x 90 mm (H x W x D) Weight: 353.33g