Re: [hylafax-users] MODEM Command Error

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

George H wrote:

> This problem where we have to depend on the other modem to sync-up to
> me is an issue.


It's not as bad, usually, as it may sound.  T.30 makes it clear that the 
sender is supposed to call in and wait to hear NSF/CSI/DIS signalling 
from the receiver... so proper silence detection isn't necessarily 
required for either endpoint.

> Is there a way for me to test this bug against my USR
> modem? I have a fax machine but it never fails when I fax it to
> hylafax. Do you know a set of modem command that would simulate
> sending a fax and will repetadely show the failure of the AT+FRH=3 and
> AT+FTRS=7 ?


You'd have to connect another modem to this one and drive both of them 
to "simulate" faxing.

I would ignore all of the details that I said before and simply try both 
incantations of the config file (with and without the Class1SwitchingCmd 
change)... see what you can figure out about how things work or don't 
work with various senders based on that configuration.

Lee.


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