Methods and system for routing emergency calls through the internet
First Claim
1. A method of routing an emergency request message from an Internet device through the Internet to an emergency call answering center connected to a Public Service Access Point (PSAP), comprising the steps of:
- routing the emergency request message to an emergency call handling function that is configured to determine the IP address of the Internet device,the emergency call handling function querying an Internet Service Provider (ISP) associated with the Internet device, the ISP having account information associated with the IP address of the Internet device;
utilizing the IP address of the Internet device to obtain a physical address from the account information; and
the emergency call handling function;
encapsulating the physical address information within a PSAP message; and
sending the emergency request message along with the physical address through Public Switched Telephone Network (PSTN) to a PSAP in an emergency response service zone serving the Internet device.
1 Assignment
0 Petitions
Accused Products
Abstract
A system (100) and method for routing an emergency request message from an Internet user (50) to an emergency-call-answering center (31) consisting of Public Service Access Points (PSAPs). An emergency request message is transmitted to an IP network (60) which is received by an emergency call handling function (172). The emergency call handling function (172) queries a database (170) and returns the physical location information associated with the IP address of the user (50). The call is formatted into a format compatible with the emergency call answering center (31) and transmitted via the PSTN (20) to the PSAP (36) serving the correct emergency service zone for the user (50).
-
Citations
19 Claims
-
1. A method of routing an emergency request message from an Internet device through the Internet to an emergency call answering center connected to a Public Service Access Point (PSAP), comprising the steps of:
-
routing the emergency request message to an emergency call handling function that is configured to determine the IP address of the Internet device, the emergency call handling function querying an Internet Service Provider (ISP) associated with the Internet device, the ISP having account information associated with the IP address of the Internet device; utilizing the IP address of the Internet device to obtain a physical address from the account information; and the emergency call handling function; encapsulating the physical address information within a PSAP message; and sending the emergency request message along with the physical address through Public Switched Telephone Network (PSTN) to a PSAP in an emergency response service zone serving the Internet device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A system for routing an emergency request message from an Internet device through an Internet Protocol (IP) network to an emergency call answering center connected to a Public Service Access Point (PSAP), comprising:
-
routing means for routing the emergency request message to an emergency call handling function that is configured to determine an IP address of the Internet device; the emergency call handling function for utilizing the IP address of the Internet device to obtain a physical address from an Internet Service Provider (ISP) associated with the Internet device, the ISP having account information including the physical address associated with the IP address of the Internet device; and the emergency call handling function having; encapsulation means for encapsulating the physical address information within a PSAP message; and means for sending the emergency request message along with the physical address information through a Public Switched Telephone Network (PSTN) to a PSAP in an emergency response service zone serving the Internet device. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
-
Specification