Patent ID: 6587684
Filing Date: 2003-07-01
Classification: H04L,H04M

Abstract:
A system for programming a digital telephone configured for sending and receiving data packets according to a prescribed wireless data protocol, the system comprising:a digital wireless transceiver configured for transmitting first data packets to the digital telephone according to the prescribed wireless data protocol in response to reception of a first data stream, and outputting a second data stream carrying second data packets transmitted from the digital telephone; an interworking unit for establishing a two-way communication link with the digital telephone according to a prescribed network layer protocol, the interworking unit outputting the first data packets to the digital wireless transceiver in response to received first network layer messages, and generating second network layer messages based on the second data packets and the prescribed network layer protocol; a server for establishing a two-way application-layer session with the digital telephone by outputting the first network layer messages and based on the second network layer messages received from the interworking unit, the server downloading control software associated with digital telephone services to the digital telephone during the two-way application layer session; and a proxy gateway in communication with the interworking unit, the proxy gateway selectively controlling access by the digital telephone to the server based on validation of security information supplied by the digital telephone, wherein the interworking unit establishes a virtual connection connecting the digital telephone to the proxy gateway in response to reception of a prescribed address received from the digital telephone via the two-way communication link.