A calling network capable of accepting voice and data information includes a voice distribution server, wherein the voice distribution server is communicably coupled to an integrated access device, wherein the voice distribution server is associated with a computer readable medium, and wherein the computer readable medium includes a customer profile; and wherein the customer profile includes at least one registered access number associated with the integrated access device, and at least two quasi-registered access numbers associated with the integrated access device. A method for registering multiple voice communication devices in relation to a Voice Over IP network includes providing a voice distribution server communicably coupled to an integrated access device and is associated with a computer readable medium that includes a customer profile having at least one registered access number associated with the integrated access device, and at least two quasi-registered access numbers associated with the integrated access device.