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US 7,577,431 B2 - Providing multiple MSISDN numbers in a mobile device with a single IMSI | RPX Insight
What is a Mobile Station International Subscriber Directory Number (MSISDN)? - Definition from Techopedia
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WO2005018245A2 - Signaling gateway with multiple imsi with multiple msisdn (mimm) service in a single sim for multiple roaming partners - Google Patents
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