Iphone 5S Voicemail

[iMore Question]

Hi ! Can anyone please help me with my problem. When you ring my number it goes straight to voicemail.
I would like my phone to ring first for at least 6/8 rings an thean go to voicemail.
Thank you.

 

[taz323]

Check control center- slide up from bottom, check on do not disturb
Also check switch near volume controls on side of phone.