The FCC has agreed to extend by a year the period in which mobile operators must offer consumers local number portability.
FCC已经同意移动运营商必须向消费者提供本地号码可携性的期限延长一年。
Local Number Portability Database (LNPDB), the LNPDB is an MSC feature that enables both landline and wireless subscribers to keep their Mobile Directory Number when changing service providers.
本地移机不变号数据库(lnpdb)，lnpdb是可以使陆上电话和无线用户在更换服务提供商后仍能保持移动电话号码不变的一个msc特性。
Local Number Portability Database (LNPDB), the LNPDB is an MSC feature that enables both landline and wireless subscribers to keep their Mobile Directory Number when changing service providers.
本地移机不变号数据库(lnpdb)，lnpdb是可以使陆上电话和无线用户在更换服务提供商后仍能保持移动电话号码不变的一个msc特性。
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