[asterisk-users] TDM2400P

[Robson Ribeiro]

Indeed there is something very strange here: look how the PC is recognizing
the Digium board....Is this normal?

also i have noticed that both the IVR and Musiconhold seem to be
"accelerated"

after lspci i get:

0000:04:09.0 Ethernet controller: Digium, Inc.: Unknown device 2400 (rev 11)


On 9/21/06, Robson Ribeiro <robrib2002 at gmail.com> wrote:
>
> Dear Jay, maybe I would better describe the sound as "breaking" and not
> skipping. It is a constant thing so the person on the other side can't
> understand a word. It's like when you are in a bad cellphone connection. It
> ONLY happens and this is the weird part, when I call OUT of the TDM. When
> someone call IN nothing happens. The call is originating as a ZAP call on a
> FXSs channel and going directly to the PSTN. Now, I tried working with TX/RX
> But it didn't make any difference as the issue doesn't seem to matter if
> gain is higher or lower. If I was calling from a VOIP provider I could
> understand this as being a "bandwidth" issue. But from the PSTN to another
> PSTN it is very strange indeed. I tried calling you but noone answered. Will
> try later.
>
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:
> asterisk-users-bounces at lists.digium.com] On Behalf Of Jay R. Ashworth
> Sent: Thursday, September 21, 2006 1:23 PM
> To: asterisk-users at lists.digium.com
> Subject: Re: [asterisk-users] TDM2400P
>
> On Thu, Sep 21, 2006 at 12:28:16PM -0400, Robson Ribeiro wrote:
> >    Hi all, I have a TDM2400P w/ echo cancellation, 8 FXSs and 8 FXOs.
> >    They are installed respectively on banks 1,2,5 and 6. The problem
> >    I am having is that when I make a call using the ZAP channel, I
> >    can hear perfectly but the person on the other end is hearing my
> >    voice with lots of ticks. It would seem I am making this call
> >    over a very bad bandwidth which is not the case since this is the
> >    PSTN. My configuration files are below, I have the latest versions
> >    of Zaptel, Libpri and Asterisk. I am using Polycom’s IP301 and
> >    IP430 Phones. I would appreciate help since I have to put this in
> >    production on Saturday.
>
> Well, if that weren't an analog card, I'd say it sounded like clock
> slip.
>
> It could be digital clipping/overdrive; you might check your gains.
>
> You have FXS, FXO, and SIP channels, there; which combinations cause
> the clicking in the transmit audio?  Does it happen from FXS to FXO?
> SIP to FXO?  SIP to SIP?
>
> How frequently, and how regularly, are the ticks?  How loud?  How
> sharp?  Can you call someone with audio experience to describe them to
> you?  (If no one else, feel free to call me; I'm good at this
> stuff...  ;-)
>
> Cheers,
> -- jra
> --
> Jay R. Ashworth
> jra at baylink.com
> Designer                          Baylink                             RFC
> 2100
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> 1274
>
>         "That's women for you; you divorce them, and 10 years later,
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