Patent ID: 8571533

Claim:
A system for mobile communications for providing a local Mobile Subscriber Integrated Services Digital Network Number (MSISDN) by a native country mobile operator to a foreign resident with a foreign mobile device having a single International Mobile Subscriber Identity (IMSI) Subscriber Identity Module (SIM) of a foreign mobile operator at the foreign resident's country, the system comprising: a signaling gateway (SG) at the native country mobile operator for associating the local MSISDN and an associated local IMSI of the native country mobile operator with the foreign mobile device IMSI and an associated foreign MSISDN of the foreign mobile device using only the foreign mobile operator SIM; wherein the SG facilitates the forwarding of text messages and calls to the local MSISDN to the associated foreign MSISDN no matter where the foreign mobile device SIM is registered; wherein the SG enables the foreign mobile device to register with the native country mobile operator and perform mobile communication service as if the foreign mobile device is a local mobile device with the local MSISDN and the associated local IMSI, when the foreign resident is visiting the native country and registered with the native country mobile operator with the foreign mobile device; wherein the SG supports selecting one of a local profile and home profile by the foreign mobile device when registered at the native country mobile operator; and wherein there is no special relationship between the native country mobile operator and the foreign mobile operator.