تعريف number portability في الإنجليزية الإنجليزية القاموس.
local number portability, LNP, system in which an existent fixed-line telephone number allocated by a local exchange carrier can be reassigned to another local telephone company while applying the same connection to the existing phone number
{i} LNP, number portability, system in which an existent fixed-line telephone number allocated by a local exchange carrier can be reassigned to another local telephone company while applying the same connection to the existing phone number