Methods and apparatus to provide extended voice over Internet protocol (VoIP) services are disclosed. An example method comprises determining a location of a cellular communication device, and selecting a route for a call to the cellular communication device or to a voice over Internet protocol (VoIP) communication device based upon the location, wherein the VoIP communication device is not implemented by the cellular communication device.

Methods and apparatus to provide extended voice over Internet protocol (VoIP) services are disclosed. An example residential gateway comprises a radio frequency (RF) detector to detect a presence of a cellular communication device, a service controller to enable a VoIP communication device when the cellular communication device is present, wherein the VoIP communication device and the cellular communication device are different devices.

A method and device are provided for creating and utilizing a database which enables ascribing a plurality of communication addresses to each of a plurality of users' entries comprised therein, and wherein each of the plurality of communication addresses is associated with a different communication application, allowing a user who wishes to communicate with another user while applying a certain communication application, to communicate with that other user who uses a different communication application.