Can not access gui for freepbx-14 installed by source CentOS 7

Please link the distro you are downloading.

What you mean?

Please provide the link for the CentOS ISO you are downloading.

Hi:
I downlaod from: http://ftp.stu.edu.tw/Linux/CentOS/7/isos/x86_64/CentOS-7-x86_64-DVD-1611.iso
Which mirror do you prefer?