How to install plugins

[iggant]

Hi, can you please describe how to install plugins, exceptionally telephone-event codec. There is absolutely lack of documentation in this area.

2020-01-12 09:15:20:869 mediastreamer-message-Could not find encoder for speex
2020-01-12 09:15:20:869 flexisip-error-Codec speex/8000 is configured but is not supported (missing plugin ?)
2020-01-12 09:15:20:869 mediastreamer-message-Could not find encoder for AMR
2020-01-12 09:15:20:870 flexisip-error-Codec amr/8000 is configured but is not supported (missing plugin ?)
2020-01-12 09:15:20:870 mediastreamer-message-Could not find encoder for iLBC
2020-01-12 09:15:20:870 flexisip-error-Codec iLBC/8000 is configured but is not supported (missing plugin ?)
2020-01-12 09:15:20:870 mediastreamer-message-Could not find encoder for GSM
2020-01-12 09:15:20:871 flexisip-error-Codec gsm/8000 is configured but is not supported (missing plugin ?)
2020-01-12 09:15:20:871 mediastreamer-message-Could not find encoder for telephone-event

[Tycho-X]

Yes, no docu at all.... This Software is pseudo Open-Source. Or "Open Source but we wont tell you how to use it".