[Asterisk-Users] Re: Random Echo

[Brent Franks]

TC,

Thanks for your recommendation.  Looking at sourcing one now.  This is
great news.

As I understand it, you need the card, Chasis, and Power Module, and we
should be up and running?

Thanks,

Brent

> -----Original Message-----
> From: asterisk-users-admin at lists.digium.com [mailto:asterisk-users-
> admin at lists.digium.com] On Behalf Of Kekin Dand
> Sent: Thursday, March 18, 2004 1:06 PM
> To: 'asterisk-users at lists.digium.com'
> Subject: [Asterisk-Users] Re: Random Echo
> 
> 
> 
> 
> 
> 
> TC,
> 
> Appreciated your help and will try out TelLabs card and see if we can
get
> rid of echo.
> 
> Yesterday I did some changes in TX and RX attenuation setting on
Channel
> bank and it reduces the echo, but it is not yet vanished as we wanted.
> 
> Any way Thanks.
> 
> Regards,
> KD
> 
> 
> Date: Wed, 17 Mar 2004 19:47:16 -0800
> From: TC <trclark at shaw.ca>
> Subject: Re: [Asterisk-Users] Re: Random Echo
> To: asterisk-users at lists.digium.com
> Reply-To: asterisk-users at lists.digium.com
> 
> >I did some google search but
> >didn't find any details, about how to configure between Adtran 750
and
> >T100P. If you have already done, please give us some details.
> 
> not sure what level of dtl you want its quite straight fwd
> It varies depending on the chasis but in general
> there are T1 in and T1 out DB-15's for each T1 circuit you want to
echo
> cancel.
> 
> A straight T1 rj-45 cable goes to the channel bank other end is db-15
in
> to
> Tellab then a T1 X over goes from the Tellab db-15 out to the T100p
card
> 
> Then there are external Mode and Chan switchs that allow you to
configure
> the T1 circuit  (the line bld, framing, and coding/signaling), and
then
> other setting to allow channels FXO/FXS LS, GS and enable echo cancel
> channel by channel, I do it for all fxs/fxo ports and turn ALL * echo
> cancel
> in zapata OFF..
> 
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