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US 2015/0312741 A1Published application
Systems and methods for third party emergency call termination
AssigneeLevel 3 Communications, LLC
InventorRichard Dean Terpstra
Life of this patent
Estimating the term…
Abstract
Various systems and methods for servicing emergency calls are disclosed. One such method includes providing a location database that includes physical location information about a communication device. This location information can be accessed either directly or indirectly by an emergency service answering system, while concealing the information from a network responsible for terminating the call.
Claims4
A method comprising:
- receiving messaging information associated with a call from a terminal adapter and determining whether the call is an emergency call, wherein the messaging information includes a telephone number associated with the terminal adapter;
- if the call is determined to be an emergency call, requesting contact information for a Public Service Answering Point (PSAP) responsible for servicing emergency calls from a geographic area where the terminal adapter is located;
- receiving the PSAP contact information and a token associated with the terminal adapter;
- replacing the telephone number in the messaging information with the token to render modified messaging information;
- and
- routing the modified messaging information to the PSAP using at least the PSAP contact information.
3 more elements
Dependencies are inferred from the claim text.