Patent ID: 8032109
Filing Date: 2011-10-04
Classification: H04M,H04W

Abstract:
1. A method for obtaining a subscriber location for a call from a phone, wherein the phone is coupled to a subscriber access line module via a subscriber access line, wherein the subscriber access line module is coupled to a phone system, comprising: (a) determining by the phone system a subscriber access line identity of the subscriber access line; (b) sending a query from the phone system to a subscriber location query system, wherein the query comprises the subscriber access line identity; and (c) receiving from the subscriber location query system the subscriber location corresponding to the subscriber access line identity, wherein the subscriber location comprises a physical or link layer property of the subscriber access line module to which the subscriber access line is coupled; and (d) determining by a subscriber phone equipment if an emergency call can be made using the subscriber access line, wherein the subscriber phone equipment is coupled to the subscriber access line module via the subscriber access line, comprising the steps of: