The HT802 is a compact 2 port analog telephone adapter (ATA) that allows users to create a high-quality and manageable IP telephony solution. GDMS provides a FREE centralized interface to provision, manage, monitor and troubleshoot Grandstream products, including device management, account management, device configuration, firmware upgrades, device monitoring, intelligent alarm, and statistical analysis, individually or in batches of devices by site, group and model. This powerful cloud management platform adds robust security…. Sold and shipped by A5 IT, an authorized Grandstream partner — with US stock, live pricing, and deployment support for analog telephone adaptors.