IP is an abbreviation of the English Internet Protocol, that is, the telephone that transmits voice messages over the Internet.
IC is the general name of semiconductor component products (integrated circuit, abbreviation :IC), that is, this kind of phone card uses integrated circuits to store call information.
IQ is the abbreviation of English Intelligenec Quotient, Chinese meaning intelligence quotient, referred to as IQ, IQ indicates a person's intelligence level in the same age group. It is a measure of whether an individual is intelligent or not.