Systems and methods for processing emergency calls through a public switched telephone network
First Claim
1. A method of making an emergency call comprising:
- dialing a three-digit emergency number on a communication device;
translating the three-digit emergency number into an emergency service number at an interface, wherein the interface uses the emergency service number to initiate the emergency call with a public switched telephone network; and
sending the emergency call in the public switched telephone network to an emergency selective router, wherein the emergency selective router routes the emergency call to a public safety answering point.
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Accused Products
Abstract
A method of making an emergency call that includes dialing a three-digit emergency number on a communication device, translating the three-digit emergency number into an emergency service number at an interface, where the interface uses the emergency service number to initiate the emergency call with a public switched telephone network, and sending the emergency call in the public switched telephone network to an emergency selective router, where the emergency selective router routes the emergency call to a public safety answering point. Also, a system to make an emergency call that includes a communication device having an input to dial a three-digit emergency number, an interface to translate the three-digit emergency number into an emergency service number used to initiate an emergency call with a public switched telephone network, and an emergency selective router that receives the emergency call and routes it to a public safety answering point.
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Citations
22 Claims
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1. A method of making an emergency call comprising:
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dialing a three-digit emergency number on a communication device;
translating the three-digit emergency number into an emergency service number at an interface, wherein the interface uses the emergency service number to initiate the emergency call with a public switched telephone network; and
sending the emergency call in the public switched telephone network to an emergency selective router, wherein the emergency selective router routes the emergency call to a public safety answering point. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 22)
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14. A system to make an emergency call comprising:
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a communication device comprising an input to dial a three-digit emergency number;
an interface to translate the three-digit emergency number into an emergency service number, wherein the interface uses the emergency service number to initiate the emergency call with a public switched telephone network; and
an emergency selective router that receives the emergency call from the public switched telephone network and routes the call to a public safety answering point. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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21. A method of routing an emergency call through a public switched telephone network, the method comprising:
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translating, automatically, a three-digit emergency number dialed by an emergency service requestor into an emergency service number, wherein the emergency service number is used to initiate the emergency call with the public switched telephone network; and
sending the emergency call through the public switched telephone network to an emergency selective router, wherein the emergency selective router routes the call to a public safety answering point, wherein the emergency call is not sent through a dedicated emergency service trunk.
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Specification