Digital wireless telephone system for downloading software to a digital telephone using wireless data link protocol

Claim 1

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.

Claim 2

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.

Claim 7

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; 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; and a user database storing for each user an International Mobile Station Identity (IMSI), a secret key, and a user status, wherein the proxy gateway receives as said security information a transmitted IMSI and a security key from the digital telephone, the proxy gateway accessing the user database based on the transmitted IMSI and security key and in response selectively granting the digital telephone access to the server.

Claim 8

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; 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; and a user database storing for each user an International Mobile Station Identity (IMSI), a secret key, and a user status, wherein the proxy gateway receives as said security information a transmitted IMSI and a security key from the digital telephone, the proxy gateway accessing the user database based on the transmitted IMSI and security key and in response selectively granting the digital telephone access to the server.

Claim 14

A method of programming digital telephone services in a digital telephone in communication with a digital wireless communications system, comprising: initiating a two-way network link from the digital telephone to an interworking unit by sending and receiving data packets via a digital wireless base station transceiver according to a prescribed wireless data protocol; establishing a two-way session between the digital telephone and a server via the two-way network link by sending from the digital telephone a network address corresponding to the server, the server in communication with the interworking unit via a packet switched data network, wherein the establishing step includes: (a) supplying a menu list from the server to the digital telephone; (b) executing a browser application stored in the digital telephone and configured for displaying the menu list on the digital telephone; and (c) outputting by the browser application a selection input to the server in response to a user selection from the menu list; downloading control software associated with the digital telephone services to the digital telephone via the digital wireless base station transceiver in response to the selection input supplied by the digital telephone during the two-way session; outputting by the browser application a second selection input to the server in response to a corresponding second user selection from the menu list; establishing via the two-way network link a second two-way session between the digital telephone and a second server in communication with the packet switched data network; and downloading update software from the second server in response to version information supplied from the digital telephone to the second server.

Claim 15

A method of programming digital telephone services in a digital telephone in communication with a digital wireless communications system, comprising: initiating a two-way network link from the digital telephone to an interworking unit by sending and receiving data packets via a digital wireless base station transceiver according to a prescribed wireless data protocol; establishing a two-way session between the digital telephone and a server via the two-way network link by sending from the digital telephone a network address corresponding to the server, the server in communication with the interworking unit via a packet switched data network, wherein the establishing step includes: (a) supplying a menu list from the server to the digital telephone; (b) executing a browser application stored in the digital telephone and configured for displaying the menu list on the digital telephone; and (c) outputting by the browser application a selection input to the server in response to a user selection from the menu list; downloading control software associated with the digital telephone services to the digital telephone via the digital wireless base station transceiver in response to the selection input supplied by the digital telephone during the two-way session; outputting by the browser application a second selection input to the server in response to a corresponding second user selection from the menu list; establishing via the two-way network link a second two-way session between the digital telephone and a second server in communication with the packet switched data network; and downloading update software from the second server in response to version information supplied from the digital telephone to the second server.

Claim 17

A method of programming digital telephone services in a digital telephone in communication with a digital wireless communications system, comprising: initiating a two-way network link from the digital telephone to an interworking unit by sending and receiving data packets via a digital wireless base station transceiver according to a prescribed wireless data protocol; establishing a two-way session between the digital telephone and a server via the two-way network link by sending from the digital telephone a network address corresponding to the server, the server in communication with the interworking unit via a packet switched data network, wherein the establishing step includes: (a) assigning an IP address by the interworking unit to the digital telephone, and forwarding the assigned IP address and a first destination IP address to the digital telephone from the interworking unit; (b) establishing an initial two-way session between the digital telephone and a proxy server corresponding to the first destination IP address via the interworking unit; (c) authenticating a security status of the digital telephone by the proxy server during the initial two-way session and in response supplying the network address corresponding to the server from the proxy server to the digital telephone; and (d) establishing the two-way session between the digital telephone and the server in response to the authenticating step; and downloading control software associated with the digital telephone services to the digital telephone via the digital wireless base station transceiver in response to a selection input supplied by the digital telephone during the two-way session.

Claim 18

A method of programming digital telephone services in a digital telephone in communication with a digital wireless communications system, comprising: initiating a two-way network link from the digital telephone to an interworking unit by sending and receiving data packets via a digital wireless base station transceiver according to a prescribed wireless data protocol; establishing a two-way session between the digital telephone and a server via the two-way network link by sending from the digital telephone a network address corresponding to the server, the server in communication with the interworking unit via a packet switched data network, wherein the establishing step includes: (a) assigning an IP address by the interworking unit to the digital telephone, and forwarding the assigned IP address and a first destination IP address to the digital telephone from the interworking unit; (b) establishing an initial two-way session between the digital telephone and a proxy server corresponding to the first destination IP address via the interworking unit; (c) authenticating a security status of the digital telephone by the proxy server during the initial two-way session and in response supplying the network address corresponding to the server from the proxy server to the digital telephone; and (d) establishing the two-way session between the digital telephone and the server in response to the authenticating step; and downloading control software associated with the digital telephone services to the digital telephone via the digital wireless base station transceiver in response to a selection input supplied by the digital telephone during the two-way session.