The HT813 is a 3-port analog telephone adapter, designed to facilitate the conversion of analog lines to VoIP. It features HD voice quality, advanced VoIP functionality, high-end security protection, 3-way voice conferencing per port and multiple auto provisioning options.
Brand
Grandstream
Title
Grandstream SIP ATA FXO/ FXS Gateway | HT-813-GS-HT-813