A user terminal emulation server is provided that provides operational functionality of a user terminal using a networked set of I/O user devices that are determined to be proximately located to a user and to have user interface capabilities that are combinable to provide the user with the ability to receive or initiate a communication service with another user terminal through a network entity. The operations for emulating a user terminal may alternatively be performed by an I/O user device that provides communication services (using other I/O user devices.