Grandstream HT812 V2 VoIP ATA 2-FXS Port (HT812-V2)

The Grandstream HT812 V2 VoIP ATA – 2‑FXS Port (HT812‑V2) is a robust analog telephone adapter designed for small businesses and home users transitioning to IP telephony. It features 2 FXS ports to connect legacy analog phones or fax machines to a VoIP network. With dual Gigabit Ethernet ports and a built-in NAT router, it ensures high-performance network routing. The HT812 V2 delivers superior voice quality, advanced security, and seamless provisioning, making it a reliable and future-proof choice for hybrid telephony environments.

Key Features:

• 2 FXS ports with support for 2 SIP profiles

• Dual Gigabit Ethernet ports with integrated high-performance NAT router

• HD voice quality with advanced audio codecs like Opus, G.722, G.711, and G.729

• TLS and SRTP encryption for secure VoIP communications

• 3-way voice conferencing per FXS port

• T.38 Fax-over-IP support with auto fallback to G.711

• Failover SIP server support for continuous operation

• Automated provisioning via TR-069 and XML config files

• LED indicators for Power, Network, and Line status