Ec2 AWS Instance ISSUE / GoTo Connect

Job ID: 37359105

Budget: $10 – $30 USD

I am using Ec2 Instance on AWS,
I am using GoTo Connect (as phone system for calling)
I download app on the instance,
Internet is working on the instance,
But when I try to make call, it does not work,
it give me the screenshot you see below.
Related categories: PHP System Admin Linux Amazon Web Services Ubuntu