Thanks for your reply.
Regarding my first post I did not install freeswitch beforehand. I installed the token and repos as per their instruction but I did not run the final signalwire 'apt-get install -y freeswitch' command. I allowed the fusionpbx installer to perform the install...
Installation appears to complete successfully after using a valid token from signalwire and correct repos. Correct locale is set.
The environment is using a clean install of proxmox 7.2.3 and CT template debian-11-standard_11.3-1_amd64.tar.zst onto a dell intel x64 server. The lxc ct container...