Hi Dear,
I would like to help you with this job, I'm working as a Senior VOIP System Engineer with Experience in 3CX and Certifications also, I help many peoples to install 3CX from Scratch in AWS plus many troubleshooting steps and configure the Trunks with the VOIP providers like Twilio or Voice Gateways like Sangoma, Yealink, Grandstream, ...
Also made complex integrations and 3CX dialer projects using CFD and 3CX Live Chat as well.
if you have any other questions let's have a chat.
Best Regards
Abdullah
Senior 3CX System Engineer