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mod_native_file - FreeSWITCH - Confluence
https://freeswitch.org/confluence/display/FREESWITCH/mod_native_file#:~:text=The%20default%20FreeSWITCH%20sound%20files%20are%20in%20wav,file%20is%20available%20then%20FreeSWITCH%20can%20use%20it.
FreeSWITCH audio, file, and stream formats - Mastering ...
https://www.oreilly.com/library/view/mastering-freeswitch/9781784398880/ch05s03.html
FreeSWITCH audio, file, and stream formats FreeSWITCH is able to interface automatically with a lot of codecs and file/stream formats, and it can translate between them. This means that a CD-like source at 48 khz, 16 bit, stereo and wideband will be decoded, downsampled, truncated, mixed, and then re-encoded to be sent in a G711 call.
FreeSWITCH audio, file, and stream formats | Mastering ...
https://subscription.packtpub.com/book/networking-and-servers/9781784398880/5/ch05lvl1sec40/freeswitch-audio-file-and-stream-formats
FreeSWITCH audio, file, and stream formats FreeSWITCH is able to interface automatically with a lot of codecs and file/stream formats, and it can translate between them. This means that a CD-like source at 48 khz, 16 bit, stereo and wideband will be decoded, downsampled, truncated, mixed, and then re-encoded to be sent in a G711 call.
mod_native_file - FreeSWITCH - Confluence
https://freeswitch.org/confluence/display/FREESWITCH/mod_native_file
The default FreeSWITCH sound files are in wav format. Generally, these require transcoding when being played to callers. However, if a native format sound file is available then FreeSWITCH can use it. This module is useful to play files that are encoded as ulaw, alaw, etc - but only when there is no transcoding path.
Introduction - FreeSWITCH - Confluence
https://freeswitch.org/confluence/display/FREESWITCH/Introduction
Most of the common audio formats are supported by the mod_dptools:playback. See the list of supported formats there. TODO From 3. Supported file types section in mod_dptools:playback: "FreeSWITCH has an abstraction layer …
FreeSWITCH file extensions
https://www.file-extensions.org/freeswitch-file-extensions
The G.729 codec is also available under a commercial license. FreeSWITCH builds natively and runs standalone on several operating systems including Windows, Max OS X, Linux, BSD and Solaris on both 32 and 64 bit platforms. FreeSWITCH supports FAX, both over audio and T.38, and can gateway between the two.
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