Grandstream HT814 FXS Gateway: 4 FXS Port, Gigabit NAT Router

Telephony interfaces Four (4) RJ11 FXS ports Network interfaces Two (2) 10/100/1000Mbps RJ45 ports LED indicators POWER SUPPLY, LAN, WAN, TELEPHONE 1, TELEPHONE 2, TELEPHONE 3, TELEPHONE 4 Factory Reset button Yes Telephony functions Caller ID display and lock, Call waiting, flash, blind or accompanied call transfer, Forwarding, Hold, Do not disturb mode, 3-way conference G.711 speech codecs with Appendix I (PLC) and Appendix II (VAD/CNG), G.722, G.723.1, G.729A/B, G.726, iLBC, OPUS, Dynamic reference frequency jitter buffer, advanced line echo compensation Fax by IP T.38 according to Group 3 fax transmission up to 14.4kpbs and auto-switching to G.711 for Fax Pass-through Electrical load for short/long distances 2 REN, up to 1km on 24AWG line Caller ID Bellcore Type 1 and 2, ETSI, BT, NTT, and DTMF-based CID Separation methods Busy Signal, Reverse Polarity/Wink, Current Loop 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 the web browser Universal power supply Input: 100-240VAC, 50 Hz Output: 12V/1.0A Environmental characteristics Working hours: 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: 0.29 Kg