Patent ID: 9232061
Filing Date: 2016-01-05
CPC Classification: H04M

Claim Text:
1. A method, comprising: in response to receiving a first emergency call at a private branch exchange from a first device having a first number belonging to a first group of numbers that are grouped based on a first shared origination location, selecting, via a logic circuit at the private branch exchange, a first outgoing telephone line assigned to the first group of numbers for the first emergency call, wherein a public safety answering point to which the first emergency call is directed identifies the first shared origination location based on receiving the first emergency call from the first outgoing telephone line; and in response to receiving a second emergency call at the private branch exchange from a second device having a second number belonging to a second group of numbers that are grouped based on a second shared origination location, selecting, via the logic circuit, a second outgoing telephone line assigned to the second group of numbers for the second emergency call, wherein the public safety answering point to which the second emergency call is directed identifies the second shared origination location based on receiving the second emergency call from the second outgoing telephone line.