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Termonology* softphone: a software program for making telephone calls over the Internet using a general purpose computer, tablet or smartphone* BYOD: Bring Your Own Device, meaning a hardware setup that will allow you to use your regular phone (ATA) or a special phone that connects directly to VoIP networks (IP Phone).* ATA: Analog Telephone Adapter, a device used to connect one or more standard analog telephones to a digital telephone system such as Voice over IP.* IP Phone: IP Phone using voice over IP (VoIP). Phone calls are made from the IP Phone over an IP network such as the Internet instead of the ordinary PSTN system.