[Freeswitch-users] How to control call volume?

[Anthony Minessale]

yes the example is per_leg per_direction

On Mon, Jan 4, 2010 at 12:15 PM, Nicolas Brenner <nicolas at medularis.com>wrote:

> Great! Thanks! I'll play around with those setting to see how it goes.
> Can I set that variable "per leg"? (instead of globally for a call).
> The devices getting the calls are regular phones and the termination
> service is provided by a few different VoIP companies. I'd say the
> volume problem has to do with bad or poorly configured GSM gateways
> (that's how they make calls to cellphones), plus maybe some problems
> in the GSM network relating to poor signal or something like that. I
> can't really control the PSTN or the GSM network and have almost zero
> influence with the VoIP companies, so my best bet now is to mess with
> the transcoding.
>
> Thank you very much, we'll see how it goes.
>
> Nicolas
>
>
> On Mon, Jan 4, 2010 at 1:30 PM, Anthony Minessale
> <anthony.minessale at gmail.com> wrote:
> > The volume should really be set on the devices who are originally
> encoding
> > the audio (the phone or analog card)
> > Digital audio never changes so the server is not the right place to mess
> > with the volume because you will have to actually manipulate the digital
> > signal to do it.  We have a way but I recommend you find the real source
> of
> > your problem.
> >
> > <action application="set_audio_level" data="read 1"/>
> >
> > change read to write if you want to do it going the other way
> >
>
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-- 
Anthony Minessale II

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