Hi all,
Lost some time to create for my projects a working minimal configuration of FreeSWITCH 1.6 (no video, no conferences, no IVRs, no logs).
May be used as-is or as a base for more sophisticated configuration.
Details in repo's README

Would be glad, if it will help anybody.
https://github.com/alphazo-id/fs1.6-min-audio

Best regards!
Igor Bannicov.