[asterisk-users] Noise on phones while speaking...

[Eduardo Pimenta]

What is your timing reference

"module show like timing"

where your timing counts > 0

I had strange noises with dadhi 2.5 had to roll back to dahdi 2.4

hth

2012/11/17 Valer Nur <valernur at yahoo.com>

> Carlos,
>
> Echo might be a possible cause of the noise but it is strange you hear it
> also on internal calls since they have very low latency.
>
> Can you record a short sample with this noise or at least ask your
> customer to provide a more detailed description of the noise ?
>
>
>   ------------------------------
> *From:* Carlos Chavez <cursor at telecomabmex.com>
> *To:* asterisk-users at lists.digium.com
> *Sent:* Wednesday, November 14, 2012 12:45 AM
> *Subject:* Re: [asterisk-users] Noise on phones while speaking...
>
> On 11/13/12 4:31 PM, Mark Engelhardt wrote:
> > Carlos,
> >
> > I think the noise you are hearing might echo cancelation that is broken
> or set incorrectly. Maybe the card and asterisk are both trying to echo
> cancel?
> >
> > Mark
> >
> > On Nov 13, 2012, at 1:52 PM, Carlos Chavez wrote:
> >
> >>    I have a new install and the customer is complaining that they hear
> noise on all calls, no matter if it is internal or external, desk phones or
> softphones.  The noise is only present when the user is speaking, not the
> remote side.  The remote side does not hear the noise, only the local user.
> >>
> >>    We are using Asterisk .1.8.11-cert8 on a CentOS 6 machine with a
> Digium AEX800 card and DAHDI 2.6.1.  I really do not know how this noise is
> generated.  Where can I look?  Why would a SIP to SIP call have this noise?
> >>
> >>
>     The card itself does not have hardware echo cancellation so we use
> MG2.  I am not fixated on the card because this should not affect a SIP
> to SIP internal call unless the card is really defective and provides
> bad timing to Asterisk.
>
> --
> Telecomunicaciones Abiertas de México S.A. de C.V.
> Carlos Chávez Prats
> Director de Tecnología
> +52-55-91169161 ext 2001
>
>
> --
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