[asterisk-users] Playing mp3-files – will it be OK?

[Steve Davies]

2008/4/24 Jared Smith <jsmith at digium.com>:
> On Thu, 2008-04-24 at 17:50 +0200, harry wrote:
>  > The PBX is connected to an ISDN-30 connection. Are there any modules
>  > for playing MP3 files, so I can use them with commands like Play() and
>  > Background()?
>
>  If I were you, I'd transcode the files to alaw and play back the alaw
>  version, so that Asterisk doesn't have to transcode them for every call
>  (which is a waste of CPU cycles).
>
>  If you *really* want to use MP3 files, you'll need to load the
>  format_mp3 module from asterisk-addons package.
>
You will also need to take into account that the music will be GSM
compressed by a GSM mobile network, and that gives reasonably poor
results in must cases. Over ISDN, the results are excellent.

Regards,
Steve