Patent ID: 7903791

Claim:
A method of providing location information to a public safety answer point (PSAP) relating to a call from a VoIP device, comprising: provisioning a local voice-over-Internet Protocol (VoIP) gateway to convert a VoIP E911 call to a circuit switched 911 voice call; establishing a plurality of dedicated trunk lines between said provisioned local VoIP gateway and a plurality of selective routers associated with a plurality of specific PSAPs to communicate said converted VoIP E911 call-to-circuit switched 911 voice call with a specific PSAP; selecting, based on a received Emergency Services Routing Key (ESRK), a particular dedicated trunk line from said plurality of dedicated trunk lines; and routing, from said provisioned local VoIP gateway to said selected particular dedicated trunk line, said converted VoIP E911 call to circuit switched 911 voice call to said specific PSAP responsible for receiving a given E911 call from a location from which said given E911 call originates on said VoIP device.