Enable Call Compression
This will let use keep a much longer archive on the SDR host. But trunk-recorder appears to keep old .wav files even after compressing them to .m4a. Refer to https://github.com/TrunkRecorder/trunk-recorder/blob/master/docs/CONFIGURE.md for config.json options
-
Add and test a cron job to delete .wav files that have a corresponding .m4a file -
set 'compressWav' to 'true' (the default)