[Asterisk-Users] Asterisk native sounds now available!

[Colin Anderson]

>Also if you have a nice linux script to take out some of the effort that
>would be fantastic but if not I am sure the sox man page will help me
>out.

Prep your WAV's as 8Khz mono. In a pinch, Windows sound recorder will do.
Then: 

GSM:

#/bin/sh
for I in *.wav
do sox $I `basename $I .wav `.gsm
done

Ulaw: 

#/bin/sh
for I in *.wav
do sox $I `basename $I .wav `.ul
done

hth