Establishing mobile terminated connections with dynamically assigned wireless IP terminals in automotive telematics applications
First Claim
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1. A method of obtaining an internet connection, the method comprising:
- sending an internet connection request from a call center to a vehicle telematics unit, wherein the telematics unit connects to an internet server, controlled by the call center, with the server call in parameters at the provided IP address;
providing an IP address and server call in parameters to the vehicle telematics unit, wherein the server call in parameters comprise;
a TCP port number;
a connection failure timeout; and
a service type; and
receiving an internet connection at the provided IP address with the server call in parameters from the telematics unit at the call center.
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Abstract
The invention provides a method for obtaining an internet connection. The method provides for sending an internet connection request from a call center to a vehicle telematics unit and for providing an IP address and server call in parameters to the vehicle telematics unit. The method also receives an internet connection at the provided IP address with the server call in parameters from the telematics unit at the call center.
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Citations
16 Claims
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1. A method of obtaining an internet connection, the method comprising:
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sending an internet connection request from a call center to a vehicle telematics unit, wherein the telematics unit connects to an internet server, controlled by the call center, with the server call in parameters at the provided IP address; providing an IP address and server call in parameters to the vehicle telematics unit, wherein the server call in parameters comprise; a TCP port number; a connection failure timeout; and a service type; and receiving an internet connection at the provided IP address with the server call in parameters from the telematics unit at the call center. - View Dependent Claims (2, 3, 4, 5)
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6. A method for establishing communication between a call center and a vehicle through an IP network, the method comprising the steps of:
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obtaining an IP address; initiating a telephone call to the vehicle; providing the IP address to the vehicle during the telephone call; terminating the telephone call to the vehicle; and initiating a packet data connection from the vehicle to the call center using the IP address after telephone call to the vehicle is terminated. - View Dependent Claims (7, 8, 9, 10)
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11. A method of establishing a packet data connection between a server and vehicle telematics unit, comprising the steps of:
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obtaining at a call center an IP address for a server; sending the IP address from the call center to a vehicle telematics unit during a preliminary communication between the call center and telematics unit; establishing a primary communication from the vehicle telematics unit to the server as a packet data connection using the IP address of the server; and transmitting data between the vehicle telematics unit and server over the established packet data connection. - View Dependent Claims (12, 13, 14, 15)
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16. A method of processing a request for a mobile terminated packet data connection from a server to a mobile terminal having a dynamically assigned IP address, comprising the steps of:
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obtaining an IP address for the server; providing the IP address of the server to the mobile terminal via a telephone call to the mobile terminal over a wireless communication system; initiating a packet data connection from the mobile terminal to the server, wherein the mobile terminal has an assigned dynamic IP address and connects to the server over the packet data connection using its assigned dynamic IP address and the IP address of the server; and transmitting data between the mobile terminal and server over the packet data connection.
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Specification