Connecting via port server

We have the following setup:

A Digi EL-32 (this is a 32 port serial port server) which is connected to the network. On one of the ports of the port server is connected a US Robotics I-Modem (ISDN & V.34). On my NT Workstation machine I've set up the software for the port server,  installed the drivers for the modem and set up dialup networking.

All this works fine. The problem is that when I try to connect to the ISP, I get the "Verifying username and password" bit, and then  immediately after that I get "Error 629: Port was closed by remote machine"

I suspect it may have something to do with IP adresses, but I'm not sure what to look for or how to set this up.

ANY IDEAS?
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willemnelAsked:
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OttaConnect With a Mentor Commented:
If you had tried my suggestion, I think that you would have seen that it was the ISP's problem.
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OttaCommented:
Change the DUN connectoid to "bring up terminal window after dialing",
and blank-out the ID and password,
so that you will use PPP (rather than PAP) to connect, and will be able to see any error-messages which the port-server has issued, before it closes the port.
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willemnelAuthor Commented:
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OttaCommented:
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OttaCommented:
Did you try my suggestion?
Did you solve your problem?
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willemnelAuthor Commented:
No, Yes. Turns out there was sometinhg wrong at the ISP. I got the same message on my home PC (WIN95) that evening. The next day  things were OK
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willemnelAuthor Commented:
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OttaCommented:
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willemnelAuthor Commented:
So what you're saying is that you were actually right (no way of confirming that!) and although I didn't use your hint (which is just a shot in the dark) the points are actually rightfully yours and you're thinking that I'm trying to con you out of you're points and the Q must get into the PAQ, yada, yada ... so just take these points also, I don't want to argue any more.

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OttaCommented:
>  I didn't use your hint (which is just a shot in the dark)

It was a shot-in-the-dark with a gun with a laser-aiming device, while I was wearing night-vision goggles.

In other words, "been there, done that",
so I knew that my suggestion was going to work.
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