Yes. The original post indicated that he had an ISDN BRI line from SW Bell.
> -----Original Message-----
> From: Jim Brown [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, September 11, 2001 12:37 PM
> To: [EMAIL PROTECTED]
> Subject: RE: Back to back ISDN [7:19414]
>
>
> Can't they share a ISDN line? Doesn't the protocol allow for
> multiple ST
> devices assigned different endpoints on the same circuit?
> Most NT1s have
> multiple ST connections.
>
> I'm only speaking from a theoretical standpoint and could be
> completely way
> off base, but couldn't two routers share and single ISDN circuit.
>
> A very fair B channel for each?
>
> -----Original Message-----
> From: Leigh Anne Chisholm [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, September 11, 2001 11:15 AM
> To: [EMAIL PROTECTED]
> Subject: RE: Back to back ISDN [7:19414]
>
>
> Two telephones have two telephony links... and they can be
> linked together
> using a bus... but without POTS service, they can't call each
> other, can
> they. All the bus does is enable multiple ISDN devices to be able to
> connect to the ISDN service (which is provided either by a telco or a
> simulator).
>
> And yes, I visited the URL you posted. The ISDN BRI service
> and ISDN cloud
> are key components of that excerpt.
>
>
> -- Leigh Anne
>
> > -----Original Message-----
> > From: Daniel Cotts [mailto:[EMAIL PROTECTED]]
> > Sent: Tuesday, September 11, 2001 10:40 AM
> > To: '[EMAIL PROTECTED]'; [EMAIL PROTECTED]
> > Subject: RE: Back to back ISDN [7:19414]
> >
> >
> > Yes, but an ISDN BRI line has two B channels. A POTS line
> has one channel.
> > Did you visit the URL in my previous post?
> >
> > > -----Original Message-----
> > > From: Leigh Anne Chisholm [mailto:[EMAIL PROTECTED]]
> > > Sent: Tuesday, September 11, 2001 11:36 AM
> > > To: Daniel Cotts; [EMAIL PROTECTED]
> > > Subject: RE: Back to back ISDN [7:19414]
> > >
> > >
> > > Let me give you an analogy as to what you've described. I
> > > take a little
> > > gizmo that splits my telephone outlet into two outlets (I use
> > > one of these
> > > for my answering machine and telephone). I can plug two
> > > telephones into the
> > > gizmo, but can they call each other? Without telephone
> > > service, no. But I
> > > have my own bus where I can connect multiple telephony devices...
> > >
> > > > -----Original Message-----
> > > > From: [EMAIL PROTECTED]
> > > [mailto:[EMAIL PROTECTED]]On Behalf Of
> > > > Daniel Cotts
> > > > Sent: Tuesday, September 11, 2001 10:34 AM
> > > > To: [EMAIL PROTECTED]
> > > > Subject: RE: Back to back ISDN [7:19414]
> > > >
> > > >
> > > > See the following:
> > > > http://www.isdnzone.com/info/bri.htm
> > > >
> > > > As I mentioned in a previous off line post, if you have an NT-1
> > > > device with
> > > > multiple connection points (s bus?) then you can connect several
> > > > devices to
> > > > it. Configure each with its own B channel SPID. I have not
> > > done this but
> > > > everything that I read indicates that it can be done. Try it.
> > > >
> > > > > -----Original Message-----
> > > > > From: Rick Harville [mailto:[EMAIL PROTECTED]]
> > > > > Sent: Tuesday, September 11, 2001 10:15 AM
> > > > > To: [EMAIL PROTECTED]
> > > > > Subject: Back to back ISDN [7:19414]
> > > > >
> > > > >
> > > > > I have received several responses sofar expressing a great
> > > > > interest in the
> > > > > solution. Back to back ISDN over a single ISDN line seems
> > > to be a very
> > > > > acceptable approach to simulating DDR. Unfortunately, nobody
> > > > > seems to be
> > > > > able to confirm that it can be done. A seach of archives
> > > > > reveals discussions
> > > > > but no real verification that this is possible. The p If
> > > > > anyone has actually
> > > > > done this please respond as there seems to be a great
> > > > > interest in doing this.
> > > > >
> > > > > Once again, the question is, can you connect two BRI (st)
> > > > > interfaces through
> > > > > a NT1 device using only a single ISDN line?
> > > > >
> > > > > I have 2 Cisco 2503's with st Bri. Im using Motorola NT1
> > > device with a
> > > > > single U interface and 2 ST ports. I have at my disposal a
> > > > > single ISDN line
> > > > > from SW Bell. I would like to split the spids at the nt1
> > > > > device and practice
> > > > > my DDR with only one spid on each router.
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