DescriptionHT818 8 port FXS Gateway with Gigabit NAT Router  Grandstream:The HT818 is a powerful 8-port VoIP gateway with 8 FXS ports and an integrated Gigabit NAT router. Built for users looking for a strong analog-to-VoIP converterSupports 2 SIP profiles and 8 FXS portsStrong AES encryption...