Method and system for providing telematics unit information
First Claim
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1. A method for providing telematics unit information, the method comprising:
- generating an awareness message at a telematics unit, the awareness message including a session initiation protocol (SIP) request containing a subscriber status located in a header portion of the SIP request, wherein the subscriber status includes the operational status of the telematics unit; and
sending the awareness message with the SIP request from the telematics unit to a call center.
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Abstract
A method for providing telematics unit information includes generating an awareness message at a telematics unit, the awareness message including a subscriber status wherein the subscriber status includes location and state information, assigning a current value to the subscriber status, and sending the awareness message with the current value from the telematics unit to a telematics call center. A computer usable medium with suitable computer program code is employed for providing telematics unit information.
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Citations
21 Claims
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1. A method for providing telematics unit information, the method comprising:
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generating an awareness message at a telematics unit, the awareness message including a session initiation protocol (SIP) request containing a subscriber status located in a header portion of the SIP request, wherein the subscriber status includes the operational status of the telematics unit; and sending the awareness message with the SIP request from the telematics unit to a call center. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of providing telematics unit information to a call center, comprising the steps of:
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generating an awareness message at a telematics unit in accordance with a messaging protocol, the awareness message including a header and a payload; inserting data elements into the header including an identification element and a mode element, the identification element including an identification of the telematics unit, and the mode element including an operational status of the telematics unit; and sending the awareness message from the telematics unit to a call center. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method of providing telematics unit information to a call center, comprising the steps of:
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generating an awareness message at a telematics unit in response to a change in the state of the telematics unit or a request by a call center to send the awareness message, the awareness message including a session initiation protocol (SIP) request containing a subscriber status located in the header of the SIP request, and wherein the subscriber status includes the operational status of the telematics unit; inserting a plurality of data elements into the subscriber status, wherein the plurality of data elements include an identification field, a mode field, and a location field, and each of the plurality of data elements includes a field identifier and a corresponding field value; and sending the awareness message with the SIP request from the telematics unit to a call center.
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Specification