[Asterisk-Users] why even use SIP

[Scott Williamson]

That should be the program alsamixer, not amixer. Make sure to press F5
to get all of the playback/capture devices shown.

On Mon, 2005-21-03 at 22:02 -0500, Scott Williamson wrote:
> Ah, Console sound card echo.
> 
> I found that with my cheep YMFPCI sound card that there is a channel
> called "wave capture" that is enabled for recording by default. And this
> is only visible when one uses ALSA sound drivers. One needs to use an
> ALSA mixer control program (I use amixer, the text mode one) to disable,
> or reduce the volume on these sound cards. Once this is done there is no
> more echo at all!
>
> Why this channel does not appear under OSS, and why it appears to be
> enabled by default in the hardware is beyond me. The GUI mixers all list
> this channel simply as WAVE, and I have two WAVE channels. So remember
> amixer.
> 
> The card is called ICEnsemble ICE1230 by OSS, and Yamaha DS-XG (YMF734)
> by ALSA
> 
> On Tue, 2005-22-03 at 10:52 +0800, Shaun Dwyer wrote:
> > Scott Bussinger wrote:
> > 
> > >We just tried to go entirely with softphones in our office gave up after a
> > >month or so of trying. I tried probably 10 different softphones running on
> > >3.0Ghz WinXP machines and none of them were workable. I tried both SIP and
> > >IAX2 softphones using headsets plugged into the audio ports, USB headsets,
> > >and USB phone interface boxes (www.phoneconnector.com).
> > >
> > >While it wasn't hard to get them to work and the concept would have been
> > >perfect in our environment, the quality was _terrible_! We had many issues
> > >  
> > >
> > <snip>
> > 
> > I found that for the most part, crappy sounds cards caused the bulk of 
> > problems with soft phones.
> > I noticed that on, for example, intel D865PERLL motherboards with an 
> > onboard realtek AC97 sound
> > device, There was heaps of echo for the remote end (using a softphone or 
> > a hardphone).
> > 
> > I also found that a stock standard Creative PCI 128 sound card gave 
> > great results.
> > 
> > Given PCI128s arn't available anymore, I'm sure you could find an 
> > alternative, like perhaps
> > even going as far as a SB Live Value.. if you buy these in bulk, im sure 
> > you can get em cheap
> > as chips.
> > 
> > I've only ever used X-lite as a soft phone and found it to be really 
> > very good.
> > 
> > Cheers,
> > -Shaun
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> 
> --
> Scott J. Williamson <scott at sjwilliamson.ca>
> 
> Not every problem someone has with his girlfriend is necessarily due to
> the capitalist mode of production. -- Herbert Marcuse 
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--
Scott J. Williamson <scott at sjwilliamson.ca>

Humor in the Court: Q: The truth of the matter is that you were not an
unbiased, objective witness, isn't it. You too were shot in the fracas?
A: No, sir. I was shot midway between the fracas and the naval.