[Asterisk-Users] Echo problem -- network related?

[Rob Lith]

Thanks - always intetested in cures to the dreaded four letter word 'echo' !!
Regards
Rob

On 8/14/05, Rudolf Ladyzhenskii <rudolfl at optusnet.com.au> wrote:
> Thanks for reply.
> 
> 
> > You don't get 'echo' on the network, you'd only get true echo
> > connecting to analogue PSTN lines so as Matt pointed out it will sound
> > set-up/card related.
> 
> Yes, this would be the logical conclusion, although it is hard to beleive
> given what I hear.
> It sound like I am talking to myself at a pretty good quality. Actually echo
> quality is much better than other party.
> 
> >What you could be getting is feedback or sidetone
> > - so check for things like mic boost and turn that off and it may even
> > be worth trying another sound card - we've had instances where the
> > onboard sound of a motherboard was really crap (with 'echo' like
> > problems) and it was resolved by disabling and putting in the Creative
> > card...
> 
> Sound card used is a built into the main board -- Gigabyte 8PIE1000 board
> with Realtek AC97. Not a cheap crapy board. I have tried new drivers too.
> 
> I am going to try few things -- try his computer on my LAN to rule out any
> network related issues
> Try USB handset and/or difefrent sound card
> 
> I wil let you all knwo when I find something out.
> 
> Thanks again,
> RUdolf
> 
> 
> >
> > Rob
> >
> > On 8/14/05, Rudolf Ladyzhenskii <rudolfl at optusnet.com.au> wrote:
> >> Hi,
> >>
> >> I am using SIP phone (Polycom 300). Echo is present even if other party
> >> has
> >> sound hardware disconnected.
> >>
> >> It is definetely network and/or PC setup issue, but is not related to
> >> audio
> >> setup. I will check stereo mix, however.
> >>
> >> Rudolf
> >>
> >> ----- Original Message -----
> >> From: "Peter Svensson" <psvasterisk at psv.nu>
> >> To: "Asterisk Users Mailing List - Non-Commercial Discussion"
> >> <asterisk-users at lists.digium.com>
> >> Sent: Sunday, August 14, 2005 5:05 PM
> >> Subject: Re: [Asterisk-Users] Echo problem -- network related?
> >>
> >>
> >> > On Sun, 14 Aug 2005, Rudolf Ladyzhenskii wrote:
> >> >
> >> >> The problem is not sound setup related. It present even if microphone
> >> >> is
> >> >> disconnected.
> >> >
> >> > To repeat the question from Matt Riddell:
> >> >
> >> >> > Does he have Stereo Mix selected as a recording source?
> >> >
> >> > We have found the most common cause of a strong echo to be that the
> >> > sound
> >> > card is set to record the outgoing earphone signal.
> >> >
> >> > If you post inline it is much easier to see what your answers were to
> >> > different questions or if you have missed one.
> >> >
> >> > Peter
> >> >
> >> >
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