If you are calling from a telephone, you’ll need a phone adapter or you’ll need to use a VoIP-ready phone. The adapter converts analog signals into digital signals that allow them to be ...

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 ...

Its adapters start at around $70 although some third-party devices may also be used. Ooma works with any corded or cordless phone and also sells its own devices designed for VoIP. Founded in ...

(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.