[Asterisk-Users] wav instead of gsm for vm-sounds?

[Kevin P. Fleming]

Damon Estep wrote:

> What I can not decipher is what file name extension should be used,
> should it be a .wav file encoded at 8k/8b/mono? Or are you telling me
> that it should be .ulaw

What I listed were file name extensions as recognized by Asterisk's 
format modules and sox (and other tools).

WAV at 8KHz 8-bit mono is _not_ the same thing as ulaw; WAV is not 
compressed (normally), so that would be 8 bits of dynamic range. ulaw 
and alaw are 8-bit compressed formats, with 13/14 bits of dynamic range 
(this is all documented on the wiki too, I think).