false answer supervision

overbilling of telephone calls by faking call time that did not occur, particularly on VoIP calls

en-GB/fɔːls ˈɑːnsə ˌsuːpəˈvɪʒn/
en-US/ˈfɔls ˈænsɚ ˌsupɚˈvɪʒən/

श्रेणियाँ:

phone fraudovercharge