Grandstream HT812 SIP 2FXS 1LAN 1WAN 1Gb Router Adapter

Grandstream HT812 is an easy-to-use 2-port analog telephone adapter with 2 FXS ports, 2 Gigabit Ethernet ports and a built-in NAT router that is an ideal ATAs for individual use and for large commercial IP deployments.

Grandstream HT812 is an advanced analog telephone adapter with two FXS ports and a built-in gigabit NAT router. The FXS ports can connect fax or analog devices, and the network interfaces can operate in both NAT router and transparent Bridge modes. Its ultra-compact size, voice quality, advanced VoIP functionality, security and protection of auto-synchronization options allows you to take advantage of VoIP on analog phones and allows service providers to offer high-quality IP services. Grandstream HT812 can be used for both individual and commercial use, allowing you to create a simultaneous broadband connection between several Ethernet devices and connect analog devices to the VoIP network. Grandstream HT812 Telephone Adapter is very easy to manage and configure, and is specifically designed to be an easy-to-use and affordable VoIP solution for both the user in the office and for remote workers.
Grandstream HT812 Features: Support for 2 SIP accounts via 2 FXS ports Has 2 ports of 10/100/1000 Mbps Ethernet Support for 3-way voice conferencing Support for a wide range of formats for identifying caller numbers Support for advanced telephony features, including call transfer, call forwarding, call waiting, do not disturb, message waiting indication, multilingual prompts, tone dialing, etc. Support for T.38 fax transmission TLS security encryption technology and SRTP to protect calls and accounts Automated subscriber equipment management protocol TR-069 and XML file configuration Up to 2 SIP server profiles Possibility of using the Grandstream UCM IP PBX series for Zero Configuration backup Functional testing of the GR-909 line Specifications: Interfaces: 2 RJ11 FXS ports Network interfaces: 2 ports 10/100/1000 Mbps Ethernet (RJ45)LED indicators: power, LAN, WAN, PHONE1, PHONE2Reset button: yesTelephony features: Caller ID, display, call waiting, flash, blind or attended transfer, forward, call hold, do not disturb, 3-way conferenceVoice codecs: 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 technologyFax over IP: T.38 compatible with Group 3 Fax Relay up to 14.4kpbs and auto-translation to G.711 for Fax Pass-throughShort/Long Haul Ring downloads: 3 REN, up to 1 km per 24AWG LinesCaller ID: DTMF signaling (ETSI mode, BT mode, NTT mode) type 1 and 2Disconnection Methods: Busy Tone, Polarity/Wink, Loop CurrentNetwork Protocols: TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, STUN, SIP (RFC3261), SIP over TCP/TLS, SRTP, TR-069QoS: Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, DiffServ, MPLS)DTMF Method: In-audio, RFC2833 and/or SIP INFOControl: HTTP, HTTPS, Telnet, TFTP, TR-069, secure and automated provisioning with TR069, syslog Security: Media: SRTPControl: TLS / SIPS / HTTPSManagement: Support Syslog, Telnet, remote management via web browser Physical Specifications: Input Voltage: 100-240VAC, 50-60HzOutput: 12V / 0.5A for HT812.Operating: 32?-104?F or 0?-40?C Storage: 14?-140?F or -10?-60?C Humidity: 10-90% (Non-condensing)Dimensions and Weight: 28.5 x 130 x 90 mm (H x W x D)Compliance: FCC / CE / RCM