TN3270 via dial-up?

I need to run TN3270 on OS/2 Warp 4 via dial-up TCP/IP.  The TN3270 client that comes with Personal Communications 4.1 (entry level) is great, but will it work via dial-up? If so, how? If not, is there another TN3270 client that will work under OS/2 over dial-up?
shumwayAsked:
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OttaCommented:
Everything should work correctly -- it works for me.

The TCP/IP packets generated/received by the TN3270 application
are "carried" over the telephone-line by either
of the SLIP or PPP protocols, whichever your ISP supports.
(I assume that your ISP *DOES* support at least one of these protocols; if not, then switch to an ISP which does!)

It's all a matter of layers:
TN3270 on top of TCP/IP on top of SLIP (or PPP)
on top of the physical-connection.
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OttaCommented:
Please "grade" the answer.  Thanks.
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shumwayAuthor Commented:
So it does!  I was confused by the configuration dialog box that only showed "LAN" as an adapter choice.   Unfortunately, I still can't get through, as I have to be authenticated by the firewall before I'm allowed access to the host.  All I get back is an "X PROG750" from the firewall.  I wish there was a userexit available for me to work in the firewall authentication procedure before the client starts looking for a 3270 data stream.
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