HANDLING EMERGENCY SERVICE CALLS ORIGINATING FROM INTERNET TELEPHONY
0 Assignments
0 Petitions
Accused Products
Abstract
A method and system for interfacing internet protocol-enabled emergency calls to a public 9-1-1 system are described. The method can include routing an emergency call originating from internet protocol telephony to a data network via a routing device which may include an identifier. The method can include transferring the routed emergency call to a predetermined public service answering point based on the identifier.
-
Citations
41 Claims
-
1-21. -21. (canceled)
-
22. A method comprising:
-
identifying, by a server, a call signal received via a routing device as an emergency call; determining, by the server and based on information included in the call signal, whether the emergency call originated from a registered location; determining, by the server, when the emergency call originated from the registered location, whether at least one of an automatic number identification (ANI) or automatic location information (ALI) is identifiable from the call signal; when the emergency call did not originate from the registered location or neither the at least one of the ANI or the ALI is identifiable, retrieving, from a database associated with the server, location information associated with the routing device; identifying, by the server, a public service answering point (PSAP) based on the retrieved location information or the at least one of the ANI or the ALI; and transmitting, by the server, the call signal to the PSAP. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31)
-
-
32. A method comprising:
-
receiving, by a server via a routing device, an emergency call from Internet protocol (IP) telephony selectively used at a registered location and locations other than the registered location; determining, by the server and from profile information associated with the routing device, whether the emergency call originated from the registered location or at one of the locations other than the registered location; determining, by the server and when the emergency call originated from the registered location, whether at least one of an automatic number identification (ANI) or automatic location information (ALI) is identifiable from information in the emergency call; identifying, by the server and when the emergency call originated from the one of the locations other than the registered location or when neither the at least one of the ANI or the ALI is identifiable, a physical location for the routing device; designating, by the server, an assigned public safety answering point (PSAP) based on the identified physical location of the routing device or the at least one of the ANI or the ALI; and forwarding, by the server, the emergency call to a public switched telephone network (PSTN) based on the assigned PSAP. - View Dependent Claims (33, 34, 35, 36, 37, 38)
-
-
39. A system comprising:
a server to; store, in a memory, information identifying a physical location of a routing device via which an Internet protocol (IP)-enabled call is received; correlate, based on the physical location of the routing device, a public safety answering point (PSAP), associated with an emergency communication system, to the routing device; determine whether the IP-enabled call originated from a fixed location; determine, when the emergency call originated from the fixed location, whether the IP-enabled call includes at least one of an automatic number identification (ANI) or automatic location information (ALI); attach, when the emergency call did not originate from the fixed location or the IP-enabled call does not include the at least one of the ANI or the ALI, information identifying the PSAP to the IP-enabled call; and forward the IP-enabled call based on the information identifying the PSAP. - View Dependent Claims (40, 41)
Specification