How to make an automatic call with sound playback in Freeswitch?

Question

FreeSWITCH

The task is this: there is a server with api, when a certain method is called, you need to call the phone number associated with this method and play a sound file.
api and fs on different servers, but you can make ftp/samba a share.
there should be a queue.
that is, ideally like this: there is a folder where the configs are added, they are processed in the order of appearance (possibly in several threads).

Answer 1

made js a script on fs, no restrictions on the number of simultaneous calls, for now.