Mobile phone docking station multi-network telephony hub

A docking station includes a first docking port configured to physically dock with a first mobile device, wherein the first docking port includes a Universal Serial Bus (USB) port. The docking station includes a subscriber line interface connected to one or more Plain Old Telephone Service (POTS) phones. The docking station further includes a switch configured to: receive a first call via the first mobile device docked in the docking station, and route the first call to the subscriber line interface, wherein the subscriber line interface rings the one or more Plain Old Telephone Service (POTS) with a first ringtone specific to the first mobile device. The first mobile device comprises a portable digital computing device that includes the capability to communicate via a mobile carrier network or via other network connections.