Patent ID: 8559944

Claim:
Apparatus located at a first mobile telephony network, said network comprising: a detector for detecting at least one of roaming registration signals and session management signals of roaming mobile telephony users of a home mobile telephony network who are roaming at another mobile telephony network; and an analytics unit, associated with said detector, for analyzing said detected signals per individual roaming users, and identifying, from said signals, any one of a plurality of predefined cost saving behaviors of respective individual roaming users; wherein said analytics unit is configured to provide an identification output for any of said individual roaming users who is identified to be engaging in one of said predefined cost saving behaviors and said predefined cost saving behaviors comprise using at least one member of the group comprising a foreign SIM card and a (U)SIM card, and said analytics unit is configured to discover that a respective user is not registered in any domestic network visitor location registers, said registers comprising at least one member of the group consisting of VLRs and Mobility Management Entities (MMEs), or in components of the home network, and that a forward to number—FTN—of said respective user is directed to a foreign number.