noun, noun or participle which takes 'suru', transitive verb
phone trace; call tracing
Technical term for tracing the origin of a phone call, often used in crime or security contexts.
警察は脅迫電話を逆探知して、犯人の居場所を突き止めた。
The police traced the threatening call and located the perpetrator.
逆探知機能を使えば、いたずら電話の発信元を特定できる。
Using the call-tracing function, you can identify the source of prank calls.