"UK regulator for content, goods and services charged to a phone bill" . . . . . . . . "Phone-paid Services Authority" . "PSA" . . . . . "Phone-paid Services Authority" . . "ICSTIS" . "Independent Committee for the Supervision of Standards of Telephone Services" . "PhonepayPlus (2007-2016), ICSTIS (1986-2007)" . "non-profit making company limited by guarantee" .