>>>> You use ISDN to transport some higher-level protocol that knows how
>>>> to do routing?
>>>
>>> ISDN already knows how to do the routing. As does ATM and X.25. You
>>> don't need to layer anything on top of it to route packets or
>>> connections.
>>
>> Well that's news to me...
>
> You don't understand that ISDN carries phone calls as part of its
> Integrated Services?
>
> You didn't read the first paragraph of the wikipedia page I looked up
> for you?
I was under the impression that the digital part of the system connects
to only one destination.
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