[Asterisk-Users] FXO as modem (was: * fax reliability between
ISDN PRI and FXS ports)
Rich Adamson
radamson at routers.com
Mon Jun 27 05:35:20 MST 2005
> > Question: There are problems using FXS ports to pass data and get high
> > speed access, but can an FXO port be used as a modem? Nothing fancy
> > required, 12 or 2400 baud should be ok (9600+ would be nice, but practical
> > over nice). I know there is something like this with the "FAX" extension
> > already. (Not sure if there is a "DATA" equivelent). Is this practical?
> > Has anyone done this?
>
> Sure; this is exactly what rxfax/txfax do. You won't get better than 9600
> baud without running into patent issues, though.
Andrew, he's referring to the fxs & fxo ports on the analog TDM card.
Highly likely it will not work reliably, and certainly will not achieve
9600 in its current state.
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