Patent ID: 8873718
Filing Date: 2014-10-28
Classification: H04L,H04W

Abstract:
1. A method of providing location information to a public safety answer point (PSAP) relating to a call from a VoIP device, comprising: converting, at a local voice-over-Internet Protocol (VoIP) gateway, a VoIP E911 call to a circuit switched 911 voice call; establishing a plurality of dedicated trunk lines between said local VoIP gateway and a plurality of selective routers, local to said local VoIP gateway, and respectively associated with a plurality of PSAPs; selecting, based on a received emergency routing key, a particular dedicated trunk line from said plurality of dedicated trunk lines; and routing, from said local VoIP gateway to said selected particular dedicated trunk line, said converted VoIP E911 call-to-circuit switched 911 voice call to a particular PSAP associated with said VoIP E911 call.