false answer supervision

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

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

ক্যাটাগরি:

phone fraudovercharge