dial tone
noun[Cusually singular]
USuk/ˈdaɪ.əl ˌtəʊn/us/ˈdaɪ.əl ˌtoʊn/(UKdialling tone)acontinuoussoundthattellsyou that aphoneisconnectedto thephonesystemand isreadyto be used
(电话)拨号音Communications - by telephone
- 3G
- 4G
- 5G
- aeroplane mode
- airplane mode
- area code
- autodial
- dialling tone
- helpline
- pick
- picksomeone/somethingup
- pocket dial
- prank caller
- prepay
- ring
- roam
- telecoms
- telephone
- transfer
- wake-up call