uifn造句

• The + 800 UIFN service is one of three ITU-administered non-geographic codes with a similar numbering scheme.
• A few carriers in about 65 countries participate in the UIFN program; free access to the numbers ( as international calls ) from mobile and coin telephones is not universal.
• A "'Universal International Freephone Number "'( "'UIFN "') is a worldwide toll-free " 800 number " issued by the ITU . Like the 800 area code issued for the NANP in the country code 800, so that no matter where the caller is, only the international access code ( IAC ), the UIFN country code ( 800 ) and the 8-digit UIFN need to be dialed.
• A "'Universal International Freephone Number "'( "'UIFN "') is a worldwide toll-free " 800 number " issued by the ITU . Like the 800 area code issued for the NANP in the country code 800, so that no matter where the caller is, only the international access code ( IAC ), the UIFN country code ( 800 ) and the 8-digit UIFN need to be dialed.
• A "'Universal International Freephone Number "'( "'UIFN "') is a worldwide toll-free " 800 number " issued by the ITU . Like the 800 area code issued for the NANP in the country code 800, so that no matter where the caller is, only the international access code ( IAC ), the UIFN country code ( 800 ) and the 8-digit UIFN need to be dialed.