alert tone meaning in English
警报音调
Examples
- If a second person calls while the " call waiting " function is deactivated , that caller will get the busy signal and you will not hear the special alert tone
若要接听或打出重要电话，可先暂时取消来电待接讯号，如再有第三者打入电话，对方会听到线路繁忙讯号，而用户也不会听到来电待接讯号。