a button on a phone that you press in order to stop yourself from being heard by the person at the other end of the line (while you speak to somebody else)
دکمه قطع صدا, دکمه بیصدا کردن, دکمه بیصدا, کلید بیصدا
2
a button that you press in order to turn off the sound on a television, computer, etc.
دکمهٔ بیصدا, کلید بیصدا, کلید قطع صدا, دکمه قطع صدا