the analog telephone adapter (ATA) delivers dial-tone, manages the call setup and provides the conversion between digital and analog voice. See IP phone and VoIP. THIS DEFINITION IS FOR PERSONAL ...

(1) (Voice Over IP modem) A device that converts Internet-based voice service from the cable or telephone company to the user's telephones. Officially called an analog telephone adapter.

While fax ATAs can vary a little bit from model to model, they normally look like small boxes with three sockets in the back.

Users install desktop or mobile apps called softphones to enable VoIP calling. Analog telephone adapters (ATAs) allow professionals to use standard office phones with Voice over IP systems.