Enhanced E911 Location Information Using Voice Over Internet Protocol (VoIP)
First Claim
1. A method of routing an ESRK to public safety answer point (PSAP) relating to a call from a VoIP device, comprising:
- provisioning a first local voice-over-Internet Protocol (VoIP) gateway;
establishing a first dedicated trunk line between said provisioned first local VoIP gateway and a first selective router associated with a first PSAP;
use of an ESRK associating a specific PSAP to a location of said VoIP device from which said E911 call originates; and
routing said E911 call and ESRK to specific PSAPs responsible for receiving E911 calls from said location from which said E911 call originates on said VoIP device.
3 Assignments
0 Petitions
Accused Products
Abstract
An E-9-1-1 voice-over-IP (VoIP) solution is provided wherein a 911 call from a wireless VoIP device is routed directly to the correct Public Safety Answer Point (PSAP) via dedicated trunks, together with correct location information and call-back number. VoIP gateways are implemented locally, at least one per LATA, and accept VoIP packetized data inbound, and convert it to standard wireline voice calls. Calls are routed to an IP address at the VoIP gateway, which then egresses the call to a voice port at a selective router. Dedicated voice trunks (CAMA, SS7, FG-D) are installed between each local VoIP gateway and appropriate selective routers. An Automatic Location Identification (ALI) database is provisioned with ESRKs dedicated for VoIP use. TCP/IP circuits may be established between some or all of the various local VoIP gateways.
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Citations
2 Claims
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1. A method of routing an ESRK to public safety answer point (PSAP) relating to a call from a VoIP device, comprising:
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provisioning a first local voice-over-Internet Protocol (VoIP) gateway; establishing a first dedicated trunk line between said provisioned first local VoIP gateway and a first selective router associated with a first PSAP; use of an ESRK associating a specific PSAP to a location of said VoIP device from which said E911 call originates; and routing said E911 call and ESRK to specific PSAPs responsible for receiving E911 calls from said location from which said E911 call originates on said VoIP device.
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2-10. -10. (canceled)
Specification