[Freeswitch-users] How to control call volume?

[Michael Collins]

FYI, I just wikified this dp app:
http://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_set_audio_level

Feel free to add/edit as needed.
-MC

On Mon, Jan 4, 2010 at 11:16 AM, Anthony Minessale <
anthony.minessale at gmail.com> wrote:

> 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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>
>
>
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> Anthony Minessale II
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