[asterisk-users] Echo cancellation on DAHDI

[DHAVAL INDRODIYA]

Hi,

Carlos

I checked dmesg on my server and i found following message

what is meaning for this ? i cant understand

VPM400: Not Present
VPM450: echo cancellation for 128 channels
VPM450: hardware DTMF disabled.
VPM450: Present and operational servicing 4 span(s)

regards
Dhaval
On Tue, Mar 2, 2010 at 10:25 PM, Carlos Chavez <cursor at telecomabmex.com>wrote:

> On Tue, 2010-03-02 at 15:44 +0530, DHAVAL INDRODIYA wrote:
> > Dear All,
> >
> > How can we know the On board supports echo cancellation
> >
> > I have Digium, Inc. Wildcard TE410P quad-span T1/E1/J1 card 3.3V (rev
> > 02) board
> >
> > all working fine but sometimes i got echo when user are calling a PRI.
> >
> > is there any way to know on board echo cancellation .
> >
> >
>         Check "dmesg" on your system for messages like:
>
> VPM400: Support Enabled/Disabled
> VPM450: Support Enabled/Disabled
>
>        That should tell you if the hardware echo cancellation is working or
> not.  The TE410P does not have hardware echo cancellation the model was
> TE411P.  If you can open the server you should be able to see if the
> card has a daughter board installed which is the echo module.
>
> > regards
> >
> > Dhaval
> > --
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> --
> Telecomunicaciones Abiertas de México S.A. de C.V.
> Carlos Chávez Prats
> Director de Tecnología
> +52-55-91169161 ext 2001
>
> --
> _____________________________________________________________________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
> New to Asterisk? Join us for a live introductory webinar every Thurs:
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