ATA – Analog Telephone Adapter

An ATA is a piece of hardware that converts audio, data and video signals into Internet Protocol (IP) packets that can then be transferred over the internet. It can be used to connect a standard telephone to a high bandwidth line to make voice calls using Voice over Internet Protocol (VoIP). ATAs also process the required connection and input conversions needed to manage the call. Multi-format ATAs, which handle audio, data and video, are also known as Integrated Access Devices (IADs) and Multimedia Terminal Adapters (MTAs).

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