noun, noun or participle which takes 'suru'
call tracing
Abbreviation of 逆探知. Used in contexts like tracing phone calls or locating the source of a signal.
See also: 逆探知
警察は脅迫電話の逆探を始めた。
The police began tracing the threatening phone call.
逆探によって発信源が特定された。
The source of the call was identified through call tracing.