An ATA (Analog Telephone Adapter) is required for home phone service. FSP Phone Services offers two options for an ATA that can be purchased and activated through the service. Both ATAs has a 1Ghz CPU to offer higher quality and HD voice capabilities. Both ATAs offer a 512MB of memory, and 1GB of ROM which will be sufficient for the device. Also, both ATAs support Eco-DECT with up to 4 Eco-DECT phones. Both ATAs also have a LAN port and a WAN port. The first ATA has 1 telephone port whereas the second ATA has 2 telephone ports. These ports can plug in a preferred phone, or fax machine.