If a second person calls while the Call Waitingfunction is deactivated, that caller will get the busy signal and you will not hear the special alert tone.
If a second person calls while the Call Waitingfunction 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。