Grandstream HT812 Voip Telephone Adapter HT812

The HT812 delivers powerful VoIP technology and routing capabilities to home and office environments, and allows users to successfully connect their analog devices to a manageable and powerful VoIP network. Built using Grandstream�s market-leading SIP ATA/gateway technology, with millions of units successfully deployed worldwide, this powerful ATA features exceptional voice quality in various applications and environments. The HT812 comes with 2 easy-to-use FXS ports, an integrated Gigabit NAT router, state-of-the-art encryption with a unique security certificate per unit, automated provisioning for volume deployment and device management and outstanding network performance.

Call management



Call waiting



Yes


Caller ID



Yes


Conference call



Yes


Features



Certification



FCC/CE/RCM, K.21


Fax compatibility



T.38


LED indicators



Yes


Reset button



Yes


Voice codecs



iLBC, G.711, G.723.1, G.726, G.729A, G.729B, OPUS


Logistics data



Harmonized System (HS) code



85177900


Network



Quality of Service (QoS) support



Yes


Web-based management



Yes


Operational conditions



Operating relative humidity (H-H)



10 - 90 %


Operating temperature (T-T)



0 - 40 �C


Storage temperature (T-T)



-10 - 60 �C


Package dimensions



Gross Weight (Package, kg)



0.46 kg


Ports & interfaces



Ethernet LAN (RJ-45) ports



2


I/O ports



2 x FXS, 2 x RJ-45


Power



Output current



0.5 A


Output voltage



12 V


Product dimensions



Net Weight (Product, kg)



0.35 kg


Protocols



Management protocols



Telnet


Supported network 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-069


Security



Security algorithms



AES, HTTPS


Vendor information



Brand Name


Grandstream


Warranty



1 Year(s)


Weight & dimensions



Dimensions (WxDxH)



130 x 90 x 28.5 mm