A method and apparatus for a Multiple IMSI Multiple/Single MSISDN (MIMM/MISM) on Multiple SIMs service for a single mobile communications network operator. In one embodiment, a system includes a Signaling Gateway that includes a MIMM/MISM application. Embodiments include a designating a set of subscriber...http://www.google.de/patents/US20050075106?utm_source=gb-gplus-sharePatent US20050075106 - Multiple IMSI multiple/single MSISDN (MIMM/MISM) on multiple SIMs for a single operator
