Mobile number portability

Mobile number portability (MNP) enables mobile telephone users to retain their mobile telephone numbers when changing from one mobile network operator to another.

单词	Wireless Number Portability
释义	Wireless Number Portability 英语百科 Mobile number portability Mobile number portability (MNP) enables mobile telephone users to retain their mobile telephone numbers when changing from one mobile network operator to another.
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Wireless Number Portability

Mobile number portability