I would like to record in 16000Hz or higher and also stream back files that are 20050Hz or higher.
Agi does not allow me to do that, is there any other way?
Current internal codec in use is g722, and best would be at least to have everything native in that codec.
VoIP is not known for HQ Music, as it is ment for Spech
must uses wav 8khz 16bit mono as there prefreed file format
but if you want higher you must use codec Opus
https://docs.asterisk.org/Configuration/Codec-Opus/
just remember that most phones do not support it and you will there for be transcoding calls
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