[Asterisk-Users] voicemail recording format

[Vincent Régnard]

Dear asterisk users,

I am presently playing with an asterisk at home. I am trying to find the 
best codec solution for my voicemail records. I want to use ARI 
(Asterisk Recording Interface) to read the messages. I first used the 
default wav encoding that was not appropriate because my navigator does 
not handle wav mime types correctly and I have difficulties playing wav 
files in my basic linux environement. So my plan is to switch to another 
codec. I checked about the available modules for sound files:

root at asterisk1 modules]# cd /usr/lib/asterisk/modules/

root at asterisk1 modules]# ls -1 format_*
format_au.so
format_g723.so
format_g726.so
format_g729.so
format_gsm.so
format_h263.so
format_ilbc.so
format_jpeg.so
format_mp3.so
format_pcm_alaw.so
format_pcm.so
format_sln.so
format_vox.so
format_wav_gsm.so
format_wav.so

So I imagine I can use .au and .mp3 format for audio files. That's what 
I want. But I cannot find now the appropriate format to specify in 
voicemail.conf format directive.

I set
format=mp3 first
and
format=au

But when the voicemail prompt for the message I have 0 second to leave 
the message (and no message is saved). Astersik cli error is then:

-- Recording the message
-- x=0, open writing: 
/var/spool/asterisk/voicemail/default/801/INBOX/msg0003 format: mp3, (nil)

I do not understand the message, I find the nil a bit strange there !
I imagine mp3 and au are not correct parameters for the format defintion 
in voicemail.conf.

Could you indicate me the appropriate setting to use theses two files 
format ?

My other question is: Is there any plan you know about having support 
for vorbis codec in the future ?

Thanks.
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