[cisco-voip] Noise on BRI circuits.

Nick Matthews matthnick at gmail.com
Thu Apr 19 10:03:54 EDT 2012


If you're in the uk make sure the compand-type is a-law and not u-law.

-nick

On Thu, Apr 19, 2012 at 8:44 AM, Robin Clayton <Robin.Clayton at rrfa.org.uk>wrote:

>  Dear All,
>
>
>
> After 8 months our installers 3 experts told us the reason they could not
> set up our remote sites SRST router was because the ISDN BRI lines were not
> active!
>
>
>
> With no experience of ISDN config, it took me 30 mins to get the router
> answering calls from the ISDN lines and another half hour to push them to
> the call manager.
>
>
>
>
>
> However, there is a massive amount of noise on the connection. Both when
> the router dial-tone is present and when the call is pushed to the phone on
> the call manager.
>
>
>
> I can’t figure out why!
>
>
>
> Any ideas???
>
>
>
> Thanks
>
>
>
> Rob
>
>
>
>
>
>
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