noun, noun or participle which takes 'suru'
one-ring hang-up call; wangiri
A call that is intentionally hung up after one ring, often to trick the recipient into calling back (a common scam tactic) or to exchange phone numbers without incurring charges. Can be used as a noun or with する.
知らない番号からワン切りが来た。
I got a one-ring hang-up call from an unknown number.
友達にワン切りして、番号
I gave my friend a missed call and got their number in return.