When you receive a call, you hear your set ringtone. If you have set up an answer tone, anyone that calls you should hear music instead of the usual ringing noise. If you don't answer, your voicemail...
Tone has a lot of definitions in terms of literature, languages and the arts. The tonne (unit symbol t) or metric ton (U.S.),[1] often written pleonastically as metric tonne, is a unit of mass equal...