ワンコール

noun, noun or participle which takes 'suru'

one-ring scam; wangiri

A scam where a call is disconnected after one ring to trick the recipient into calling back a premium-rate number.

wasei-eigo (Japanese-coined English), from one call

• ワンコール詐さ欺ぎに引ひっかからないように注ちゅう意いしてください。

  Be careful not to fall for a one-ring scam.

noun, noun or participle which takes 'suru'

one ring; disconnecting after one ring

The act of letting a call ring once and then hanging up, often as a signal or to avoid charges.

• 着ついたらワンコールしてね。

  Give me one ring when you arrive.