[asterisk-users] convert from wav or mp3 to gsm

[David Backeberg]

On Tue, Mar 30, 2010 at 4:16 PM, salaheddine elharit
<salah.elharit200 at gmail.com> wrote:
> Hello All
>
> do you have ant software in order to change the format from mp3 or wav to
> gsm in order to using it in asterisk file
>
>
> thank you so much for your help and support
>
> Best Regards,
>
> salah

If you use a 1.6 series asterisk, you can build mp3 channel support, right?
make menuconfig on the source tree, and add it.
Or is it in extras?