Hmm... Do you succeffully call from your UNIX to *anywhere* at all?
What you are describing looks more like improperly configured port/modem.
Say, the modem set to track the port speed after the connection speed,
which would not work.
> I see that in ./ifcico/ftscprod.048 there are no references to the GMS
> mailer, and I don't know if this could be the reason, but with the
> FrontDoor it runs well :-??
This is unrelated.
> Next time I'll put a dump of the debug, but know I don't have one on hand
Please do not send the log to the mailing list, where many unwilling people
will receive it. Just ask if someone is willing to help, and send the
log to him in person. You can send it to me :) But I think in this case
it will be little help.