[asterisk-users] Changing volume via dialplan

[Matthew Murphy]

You are right, it works just fine!
Needless to say, I had tricked myself into thinking I was using Asterisk 13.5. There was a build error getting covered up by my install script. So I was still using the "old" Asterisk 13.4.0 that I had previously installed. Once I fixed that, everything worked nicely.
Typical PICNIC error: Problem In Chair, Not In Computer.
Thanks for the help!

> Date: Tue, 25 Aug 2015 15:00:09 -0300
> From: jcolp at digium.com
> To: asterisk-users at lists.digium.com
> Subject: Re: [asterisk-users] Changing volume via dialplan
> 
> Matthew Murphy wrote:
> > Greetings everyone,
> 
> Kia ora,
> 
> > I am attempting to adjust the volume of a call using *Set(VOLUME)* in my
> > extensions.conf file. I am finding that*Set(VOLUME(TX)=x)*and
> > *S**et(VOLUME(RX)=y)*have no discernable effect on my endpoints (Snom
> > 300 IP phones). I have tried setting x and y to -30, -10, -3, -2, -1, 0,
> > 1, 2, 3, 4, 10, and 100 and there appears to be no change on the phone
> > volume. I can see that the Set(VOLUME) instruction is being executed on
> > the Asterisk CLI.
> 
> I just did the following on 13.5.0:
> 
> exten => 1002,1,Answer
> exten => 1002,2,Set(VOLUME(tx)=10)
> exten => 1002,3,Playback(demo-congrats)
> 
>  From my D70 and confirmed the audio was ... louder/horrible.
> 
> Do you have any other endpoints you could test from?
> 
> >
> > I have also tried using *Set(CHANNEL(txgain)=x)* and
> > *Set(CHANNEL(rxgain)=y)* and those don't seem to have any effect either.
> > I have tried setting x and y to -30, -10, -3, -2, -1, 0, 1, 2, 3, 4, 10,
> > and 100 and there appears to be no change on the phone volume. I can see
> > that the Set(CHANNEL) instruction is being executed on the Asterisk CLI.
> 
> These aren't applicable to PJSIP.
> 
> >
> >
> > I am using *PJSIP *and just upgraded to *Asterisk 13.5.0*. It wasn't
> > working on 13.4.0 either, but when I saw the release notes on 13.5 and
> > volume was addressed, I was hopeful that it might solve my problem for me.
> >
> >
> > So I have a couple of questions:
> >
> >
> > 1) Am I using the correct functions in the dial plan to adjust volume?
> > It would be something like:
> >
> >     same => n,Set(VOLUME(TX)=3)
> >
> >     or
> >
> >     same =>n,Set(CHANNEL(rxgain)=0)
> 
> Yes, the VOLUME dialplan function should do the job.
> 
> >
> > 2) If this is correct, what are the min/max values that I can use when
> > adjusting volume? I was digging around the source code and it looked
> > like maybe a min of -4 and max of +4 was expected - but I am unsure.
> 
> There is no enforced minimum/maximum. The value provided is in dB.
> 
> Cheers,
> 
> -- 
> Joshua Colp
> Digium, Inc. | Senior Software Developer
> 445 Jan Davis Drive NW - Huntsville, AL 35806 - US
> Check us out at: www.digium.com & www.asterisk.org
> 
> -- 
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