ˈdialling tone BrE AmE noun [countable]
British English the sound you hear when you pick up the telephone that lets you know that you can make a call SYN dial tone American English
ˈdialling tone BrE AmE noun [countable]
British English the sound you hear when you pick up the telephone that lets you know that you can make a call SYN dial tone American English
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012