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
ワンコール詐欺に引っかからないように注意してください。
Be careful not to fall for a one-ring scam.
noun, noun or participle which takes 'suru'
one ring;
The act of letting a call ring once and then hanging up, often as a signal or to avoid charges.
着いたらワンコールしてね。
Give me one ring when you arrive.