short ringtone

Feb 12, 2014
hi, I wonder if there is a way to make my ringtone last longer
when someone calls me, after a few seconds, my phone stops ringing and goes into voicemail
so I try to keep my phone always close to me, otherwise I have no chance to answer the call

I've been looking all over in the settings, but I can't find something that can fix this problem
so if anybody can help me, I would appreciate this a lot, thanks!