The analog FXO gateway series of FXO gateways HT841 and HT881 allow you to create a VoIP system with fast deployment for companies of any size. Using these gateways, you can easily combine several objects and all devices in the office into an IP PBX network and place it locally or in any selected location to simplify deployment. The HT8x1 series gateways have FXO and FXS ports that support remote calls on the PSTN network. Advanced telephony features, simple automatic configuration and excellent communication quality make the HT8x1 series gateways ideal VoIP solutions for business.