Method and system for realizing intelligent roaming services
An implementation method and service technology, which are applied in the field of implementation methods and systems for intelligent roaming services, can solve the problem of high international roaming tariffs for one-card multi-number user terminals, and achieve the effects of reducing detours, avoiding missed calls, and reducing tariffs.
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[0072] At present, the Mobile Virtual Network Operators (MVNO, Mobile Virtual Network Operators) service cooperated by ZTE Corporation and China Telecom North America Branch (CTA, China Telecom of America) is a one-card multi-number user terminal service. You need to use a one-card multi-number user terminal and a SIM card to solve the problem of double-number automatic roaming between China and the United States through one card with two numbers; China Telecom CDMA users, if they need to go to the United States, Go to the business hall to open the MVNO service and apply for a SIM card. This card has two IMSI numbers, one is a Chinese number and the other is an American number. The Chinese number is provided by China Telecom, and the American number is provided by the US Sprint Company. Roaming between China and the United States, you can freely choose which network to use when you turn it on, and you can call with the IMSI number of any country, and other people can call any n...
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