Why does my phone ring for incoming calls from specific contacts despite setting vibrate or mute mode for the ringtone? Samsung Gulf Set an Emergency Bypass to allow specific people to make your phone ring even if its on Silent or Do Not Disturb.#techtips #lifetips #emergency How to Set a Song as Ringtone on Android How To Allow Calls Only From Certain Contacts On Android digitbin How to change the ringtone on your Android phone The Verge