> Scott> I've been giving this some thought, and I've come to the
> Scott> conclusion that a few lines of code in pppd, appropriately
> Scott> placed, would solve this problem.
> I'm not sure that pppd alone is all you need to change, but in any case
> I have been using a slightly tweaked pppd and chat program for 6 months
> without problems.

I run an entirely unchanged chat program, so changing pppd is sufficient --
at least if pppd is all that you're interested in.  (pppd opens the line
NDELAY, sets CLOCAL, clears NDELAY, lets chat do its thing, then clears
CLOCAL.)