Grandstream HT812 Black New - Fixed Phone and Accessories

The Grandstream HT812 is a powerful 2-port analog ATA phone adapter with 2 FXS ports and an integrated Gigabit NAT router. Built on the market-leading Grandstream SIP ATA gateway technology, with millions of successful deployments worldwide, this ATA offers exceptional voice quality in diverse environments, enhanced security encryption with unique security certificate per unit, automated provisioning for volume deployment and device management, and remarkable network features for home and office. Features include: - Support for 2 SIP profiles via 2 FXS ports - AES security encryption with unique security certificate per unit - Automated and secure provisioning options through TR-069 - Support for 3-way conferencing - Exceptional voice quality thanks to the wideband HD codec - Fax over IP support with T.38 Group 3 fax relay, up to 14.4 kbps, and auto-switching to G.711 for faxes - Intercom with short/long distance tone rings - 2 REN up to 1 km on 24 AWG line - Caller ID identification using Bellcore 1 & 2, ETSL, BT, NTT, and DTMF-based CID - Disconnect methods: busy tone, polarity inversion/flashing, loop current - QoS Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, DiffServ, MPLS) - Security: user and admin passwords, MD5 and MD5-sess authentication, secure AES configuration file, SRTP, TLS, network access control 802.1x - DTMF modes: audio, RFC2833 or SIP INFO - Provisioning and control: HTTP, HTTPS, TELNET, TFTP, TR-069, secure and automated provisioning with AES encryption, Syslog - Media: SRTP - Control: TLS/SIPS/HTTPS - Management: syslog, telnet, remote management via web browser - Power and energy efficiency: 100-240V AC input, 50-60Hz output, 12V/0.5A output - Dimensions: 28.5 x 130 x 90 mm (H x W x D) - Weight: 353.33g