Grandstream HT812 Analog Adaptor

The Grandstream HT812 is an advanced 2-port analog telephone adapter (ATA) with 2 FXS ports and an integrated Gigabit NAT router. The Grandstream HT812 ATA features exceptional voice quality in various application environments.It support 3-way voice conferencing per port.

Description

Grandstream HT812 ATA Analog VoIP Adaptor in Detail

The Grandstream HT812 SIP ATA Adaptor equipped with Dual FXS Ports and s dual Gigabit network ports. It has inbuilt NAT Router Support and strong encryption with unique security certificate per unit. Voice Codec Support include 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 line echo cancellation. The T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through.

Grandstream HT812 Specification

Supports 2 SIP profiles through 2 FXS ports and dual Gigabit ports
Includes a built-in NAT router which can handle routing speeds up to 100MBps
TLS and SRTP security encryption technology to protect calls and accounts
Automated provisioning options include TR-069 and XML config files
Supports 3-way voice conferencing
Failover SIP server automatically switches to a secondary server if the main server loses connection
Supports T.38 Fax for creating Fax-over-IP
Supports a wide range of caller ID formats
Use with Grandstream’s UCM series of IP PBX for Zero Configuration provisioning