Asterisk audio file conversion

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Using Sox

Converts 8kHz linear PCM 16 bit signed single channel format into a wav file 

/usr/bin/sox -t raw -r 8000 -e signed-integer -b 16 -c 1 recording.raw recording.wav

Using Asterisk

Converts 8kHz linear PCM 16 bit signed single channel format into a wav file. It must have the right file extension (in this case .sln) for Asterisk to recognize the input format. 

file convert recording.sln recording.wav

Only file formats for which Asterisk has transcoders can be converted with Asterisk. See 

core show translation
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