From: Radioactive Frog (pbhatkoti@gmail.com)
Date: Thu Sep 25 2008 - 01:56:59 ART
On top of what Nick said, make sure you've modem passthrough enabled on H323
or MGCP gw/E1.
On Thu, Sep 25, 2008 at 10:18 AM, Nick Matthews <matthn@gmail.com> wrote:
> Hi Yemi,
>
> Hopefully not too late on this one -
>
> The UC520 should be able to support modems like any other FXS card carrying
> router.
>
> What you're reading about both sides of the relay requiring cisco gear is
> only for modem passthrough with NSEs and cisco-based modem relay, and this
> is only for the VOIP leg. In this situation I'm guessing you're sending
> the
> modem traffic out your E1 so it will be plain jane voice by the time it
> gets
> to them either way.
>
> Under voice service voip, try enabling modem passthrough nse codec 711ulaw
> (or alaw possibly in europe).
>
> But otherwise, I would run 'debug voip ccapi inout' and 'debug isdn q931'
> to
> find out which side is hanging up on you, and go from there.
>
> HTH
>
> Nick
>
> On Mon, Sep 15, 2008 at 11:30 AM, Yemi Salau <salauolayemi@googlemail.com
> >wrote:
>
> > Hello Ladies n Gents,
> >
> > I'm by no means a Voice expert, not yet anyways. But, I'm hoping you can
> > help me out, it looks like a really simple scenerio but I need that final
> > simple piece of the puzzle to sort out my problems.
> >
> > Could anyone please tell me if a Cisco UC500 supports standard modem,
> such
> > as a 56K modem or a PDQ machine (credit card swipe machine, which dials
> in
> > to Barclays Banking system within the UK)? Also, we're using E1 and were
> > able to get fax machines working on the UC500 box.
> >
> > I have tried to get a modem working, but cannot maintain a connection. Do
> I
> > need to do a special config on the UC box? Modem Passthrough/Relay ...
> > Although reading the Relay docs, I found out that both ends of
> termination
> > must be Cisco devices, I don't have a clue what Barclays run at their end
> > and how their end is setup.
> >
> > The PDQ machines run at either 300 or 2400 data speeds, I think. I
> believe
> > someone would have done this before, hence why I'm posting on GS.
> >
> > If there is a definitive answer of 'NO', then that is fine, but we cannot
> > find any reference to PDQ modems in the UC500 documentation, either
> online
> > or in the documentation supplied with the unit.
> >
> > Thanks for any help,
> >
> > Yemi Salau
> >
> >
> > --
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> >
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