Patent ID: 6446127
Filing Date: 2002-09-03
Classification: G06F,H04M,H04W

Abstract:
A system for providing user mobility services on a data network telephony system comprising:a data network to provide data connectivity for a plurality of data communications channels using data transport protocols; a plurality of data network telephones connected to the data network, each data network telephone operable to communicate a voice signal as voice-over-data packets on a voice-over-data channel, the voice over data channel being one of the plurality of data communications channels on the data network, the data network telephones each operable to convert voice-over-data packets communicated on the voice-over-data channel to voice signals; and a portable information device, the portable information device associated with a user and comprising a user interface and a data network telephone interface, the user interface operable to accept PID data from the user, the data network telephone interface operable to communicate PID data to and from a first data network telephone, the PID data including user attributes; wherein the PID data is transmitted by the portable information device to the first data network telephone, the PID data used to register the user with the first data network telephone.