Patent ID: 7995729
Filing Date: 2011-08-09
Classification: H04Q

Abstract:
1. A method for servicing calls on a packet-switched network comprising: in a table, storing a plurality of identifier pairs representing calls as entitled to local routing, wherein each of the identifier pairs comprises at least a first NPA-NXX identifier and at least a second NPA-NXX identifier; receiving a call, wherein the call comprises signaling having at least a first given NPA-NXX identifier and a second given NPA-NXX identifier; analyzing the table to determine whether the first given NPA-NXX identifier and the second given NPA-NXX identifier are associated together via at least one of the plurality of identifier pairs; and if the first given NPA-NXX identifier and the second given NPA-NXX identifier are associated together via at least one of the plurality of identifier pairs, using a switch to initiate routing of the call as a local call.