Method of contacting a PSAP
First Claim
Patent Images
1. A method of contacting a public safety answering point (PSAP), the steps comprising:
- (a) determining the location of a vehicle;
(b) communicating the location of the vehicle to a PSAP location service;
(c) identifying a PSAP proximate to the location of the vehicle;
(d) determining a direct inward dialing (DID) number associated with the identified PSAP at the PSAP location service, wherein the DID number corresponds to a public telephone number or a seven digit number capable of directing voice communications to the identified PSAP;
(e) communicating the DID number to a call center from the PSAP location service;
(f) contacting the identified PSAP from the call center using the DID number; and
(g) transmitting a pseudo automatic number identifier (P-ANI), the DID number of the identified PSAP and the location of the vehicle from the call center to the PSAP.
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Abstract
A method of contacting a public safety answering point (PSAP) that includes determining the location of a vehicle, communicating the location of the vehicle to a PSAP location service, identifying a PSAP proximate to the location of the vehicle, determining a direct inward dialing (DID) number associated with the identified PSAP, communicating the DID number to the call center from the PSAP location service, contacting the identified PSAP using the DID number, and transmitting the DID number of the identified PSAP and the location of the vehicle to the PSAP.
34 Citations
18 Claims
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1. A method of contacting a public safety answering point (PSAP), the steps comprising:
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(a) determining the location of a vehicle; (b) communicating the location of the vehicle to a PSAP location service; (c) identifying a PSAP proximate to the location of the vehicle; (d) determining a direct inward dialing (DID) number associated with the identified PSAP at the PSAP location service, wherein the DID number corresponds to a public telephone number or a seven digit number capable of directing voice communications to the identified PSAP; (e) communicating the DID number to a call center from the PSAP location service; (f) contacting the identified PSAP from the call center using the DID number; and (g) transmitting a pseudo automatic number identifier (P-ANI), the DID number of the identified PSAP and the location of the vehicle from the call center to the PSAP. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of contacting a public safety answering point (PSAP), the steps comprising:
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(a) determining the latitude and longitude coordinates of a vehicle; (b) establishing a virtual polygonal area surrounding the vehicle based on the latitude and longitude coordinates of the vehicle, wherein the point-in-polygon search method further comprises searching the virtual polygonal area and if no PSAPs are located within the virtual polygonal area, the area of the virtual polygonal area is increased and the virtual polygonal area is searched a second time; (c) locating one or more PSAPs within the polygonal area using a point-in-polygon search method; (d) obtaining a direct inward dialing (DID) number for each located PSAP using a PSAP location service; (e) sending the DID from the PSAP location service to one or more of a primary carrier or a call center; and (f) connecting the call center to one of the PSAPs within the polygonal area. - View Dependent Claims (10, 11)
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12. A method of contacting a public safety answering point (PSAP), the steps comprising:
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(a) determining the latitude and longitude coordinates of a vehicle; (b) identifying a PSAP within a predetermined range of the latitude and longitude coordinates; (c) calling a direct inward dialing (DID) number corresponding to the identified PSAP, wherein the DID number corresponds to a public telephone number or a seven digit number capable of directing voice communications to the identified PSAP; (d) transmitting voice communications and a pseudo automatic number identification (P-ANI) corresponding to the identified PSAP from a call center using a voice channel based on the called DID number; (e) sending a notification to a wireless carrier of the DID number corresponding to the identified PSAP, the transmitted P-ANI, and the latitude and longitude of the vehicle from the call center using a data channel; and (f) receiving the notification at the wireless carrier. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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Specification