ccif การใช้

They convened a meeting of delegates from six of the western European states to form an international consultative committee ( CCIF ), to decide on the technical standards required as different countries used different telephone systems.
Two consultative committees were created by the ITU s 1925 Paris conference to deal with the complexities of the international telephone services ( known as CCIF, as the French acronym ) and long-distance telegraphy "'( CCIT ) " '.
In view of the basic similarity of many of the technical problems faced by the CCIF and CCIT, a decision was taken in 1956 to merge them to become the single International Telegraph and Telephone Consultative Committee ( CCITT, in the French acronym ).