Go to settings -> Notifications -> Advanced (top right) -> Advanced Notification Settings -> Contacts Then click on default, missed calls and voicemails seperately and change the importance and sound etc. This has worked for me, I hope it works for everyone else.       ... View more

 Hi, read on another site this solution and this worked for me Go to settings -> Notifications -> Advanced (top right) -> Advanced Notification Settings -> Contacts Then click on default, missed calls and voicemails seperately and change the importance and sound etc. This has worked for me, I hope it works for everyone else. ... View more