1. A system, comprising: at least one network-based server comprising hardware; at least one network interface; a router subsystem, which serves as an interface to the Internet to manage communications between online Internet Protocol client devices and the network-based server; and non-transitory memory, coupled to the network-based server, that stores instructions that when executed by the network-based server cause, at least in part, the system to perform operations comprising: recording a unique phone number of a user in an account associated with the user, wherein the unique phone number is not a wireless phone number of the user and the unique phone number is not a wireline phone number of the user; receiving an online presence indication of an Internet-connected computing device associated with the user; and at least partly in response to receiving an incoming call to the unique phone number, displaying a control via a user interface of an application software program installed on the Internet computing device, wherein selection of the control enables an incoming call to the unique phone number to be connected to the Internet-connected computing device associated with the user.