I think it depends how their dialup networking settings are set. The user can set DUN to respond to a program trying to connect to the net by either :
1) Doing nothing.
2) Connecting.
3) ASking if you want to Connect.
I do have 56k, but I don't use DUN, so I can't test this any more.
1) Doing nothing.
2) Connecting.
3) ASking if you want to Connect.
I do have 56k, but I don't use DUN, so I can't test this any more.