拨号音

dialling tones───拨号音

dialling code───(电话的)区域号码

dialling codes───(电话的)区域号码

dialling down───向下拨号

calling on───访问，拜访；号召，请求

changing tone───变调

dial tone───拨号音；拨号音调

dialing down───调低；降低

dialling up───拨号

only as she tried for the second time that she realized that there was no dialling tone.───当她第二次拨号时，才意识到没有拨号音。

Not so long ago, it was the stuff of nightmares: you pick up the landline and there's no dialling tone.───没有多久之前，这还是噩梦般的场景：你拿起话筒，却没有听到拨号音。

He dialled the number again but this time there was no dialling tone - only silence stretching through the air-waves.

She jiggled the receiver and realised that there was no dialling tone.

Lifted the receiver, listened to the dialling tone, put it down again.

He grinned when he picked up the phone to check the dialling tone.

Consider: the electricity has been cut off, the gas supply has stopped, the telephone has no dialling tone.