Grandstream HT812 integrates two FXS ports for connecting analog telephone to translate the signal for a VoIP system with a Gigabit NAT router. Connect legacy equipment while retaining sound quality, and add enterprise-class security with an individual security certificate for each unit and TLS and SRTP encryption to secure your calls. The HT812 additionally supports the T.38 protocol enabling Fax-over-IP.

Grandstream HT812's built-in NAT router extends the functionality of the ATA, which includes QoS control for prioritizing data. 3-way voice conferencing is supported. For bringing in analog equipment into your VoIP network, the HT812 is a cost-effective and secure choice.