Signaling gateway with multiple IMSI with multiple MSISDN(MIMM) service in a single SIM for multiple roaming partners
First Claim
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1. A method for mobile communication in multiple mobile communications networks, the method comprising:
- a Foreign Public Mobile Network (FPMN) allocating at least one local Mobile Subscriber Identity (IMSI) to a Home Public Mobile Network (HPMN) for the use of subscribers of a multiple IMSI multiple Mobile Subscriber Integrated Services Digital Network number (MSISDN) service (MIMM) of the HPMN when roaming outside of the HPMN, wherein the FPMN is a partner network of the HPMN, and wherein the FPMN allocates a designated range of local IMSIs to the HPMN for the HPMN to provision to its MIMM subscribers; and
when a MIMM subscriber roams outside of the HPMN,the HPMN performing registration of one of the FPMN local IMSIs at the HPMN, such that a MIMM subscriber device appears as a roaming device in the FPMN, even though the FPMN local IMSI is used; and
the HPMN performing authentication of the FPMN local IMSI at the HPMN using a HPMN Ki, such that the MIMM subscriber device appears as a roaming device in the FPMN, even though the FPMN local IMSI is used.
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Abstract
A method and apparatus for mobile communication in multiple mobile communications networks. Embodiments include installing a SIM that includes at least one IMSI and at least one MSISDN in a mobile communications device. The SIM is used to receive and place calls while the user is in the user'"'"'s home network and while the user is roaming in another network. In various embodiments, one of a home MSISDN and a local MSISDN is used.
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Citations
34 Claims
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1. A method for mobile communication in multiple mobile communications networks, the method comprising:
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a Foreign Public Mobile Network (FPMN) allocating at least one local Mobile Subscriber Identity (IMSI) to a Home Public Mobile Network (HPMN) for the use of subscribers of a multiple IMSI multiple Mobile Subscriber Integrated Services Digital Network number (MSISDN) service (MIMM) of the HPMN when roaming outside of the HPMN, wherein the FPMN is a partner network of the HPMN, and wherein the FPMN allocates a designated range of local IMSIs to the HPMN for the HPMN to provision to its MIMM subscribers; and when a MIMM subscriber roams outside of the HPMN, the HPMN performing registration of one of the FPMN local IMSIs at the HPMN, such that a MIMM subscriber device appears as a roaming device in the FPMN, even though the FPMN local IMSI is used; and the HPMN performing authentication of the FPMN local IMSI at the HPMN using a HPMN Ki, such that the MIMM subscriber device appears as a roaming device in the FPMN, even though the FPMN local IMSI is used. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A computer-readable medium having instruction stored thereon which, when executed in a mobile communication system, cause a method to be performed in the system, the method comprising:
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a Foreign Public Mobile Network (FPMN) allocating at least one local Mobile Subscriber Identity (IMSI) to a Home Public Mobile Network (HPMN) for the use of subscribers of a multiple IMSI multiple Mobile Subscriber Integrated Services Digital Network number (MSISDN) service (MIMM) of the HPMN when roaming outside of the HPMN, wherein the FPMN is a partner network of the HPMN, and wherein the FPMN allocates a designated range of local IMSIs to the HPMN for the HPMN to provision to its MIMM subscribers; and when a MIMM subscriber roams outside of the HPMN, the HPMN performing registration of one of the FPMN local IMSIs at the HPMN, such that a MIMM subscriber device appears as a roaming device in the FPMN, even though the FPMN local IMSI is used; and the HPMN performing authentication of the FPMN local IMSI at the HPMN using a HPMN Ki, such that the MIMM subscriber device appears as a roaming device in the FPMN, even though the FPMN local IMSI is used. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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Specification