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

[Rudolf Ladyzhenskii]

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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