I found this in mod_conference.c:

/* Set MOH from variable if not set */
if (zstr(conference->moh_sound)) {
conference->moh_sound = switch_core_strdup(conference->pool, switch_channel_get_variable(channel, "conference_moh_sound"));
}

This evaluate channel variable conference_moh_sound only if the "conference" command creates a new conference. Give it a try. ;-)

Greetings,
Roland


2012/4/6 Tim St. Pierre <fs-list@communicatefreely.net>
xml_curl is worth the effort, as it lets you dynamically set anything in
a conference profile - from sample rate, to default energy levels.  If
you are using a database already, it's not a complicated script to
write, and it lets you do all of that on the fly.

-Tim

Michael Collins wrote:
> I have not seen a way to do this dynamically other than to use
> xml_curl and serve up a conf profile with a custom moh-sound param.
> -MC
>
> On Thu, Apr 5, 2012 at 6:55 AM, Lappe, Adam <Adam.Lappe@qsc.de
> <mailto:Adam.Lappe@qsc.de>> wrote:
>
>     Hi all,
>
>
>
>     i am trying to dynamically set the mod-sound variable in
>     mod_conference, so I can play different music on hold
>
>     to my conference rooms without having to create multiple profiles.
>
>
>
>     Is there a way to set my moh-sound path while I create the conference?
>
>
>
>     Or can I change the moh-sound file via the event socket in a
>     existing conference?
>
>     I think this would also lead to success.
>
>
>
>     Thanks in advance,
>
>     Adam
>
>
>
>
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--
Gruß,
Roland