Patent ID: 8774797
Filing Date: 2014-07-08
Classification: H04Q,H04W

Abstract:
1. A Gateway Mobile Switching Center (GMSC) of a home Public Land Mobile Network (PLMN) configured for: receiving a roaming caller originated call from a visited PLMN including a Routing Number (RN); and validating said RN against configured Network Camel Subscription Information (N-CSI) in response to receiving said roaming caller originated call; sending a home network issued Initial Detection Point (IDP) to a Service Control Point (SCP) of said home PLMN in response to said RN being successfully validated, wherein said home network issued IDP includes said RN; receiving at least a portion of information for facilitating connection of said roaming caller originated call from said SCP of said home PLMN; facilitating connection of said roaming caller originated call in response to receiving said at least portion of said information.