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CLASS 2 MODEM SUPPORT
The system includes a driver for modems that conform to
TIA/EIA-592 draft SP-2388-A of August 30, 1991.
Unfortunately, because this was only a draft, there are many modems
that claim to conform to this document, but which diverge in sometimes
subtle ways.
The Class 2 driver has been extensively tested with a wide variety
of Class 2 modems.
The software attempts to work around many incompatibilities
and mistakes in modem firmware.
A common problem that requires special attention is that some
modems are
incapable of accepting an AT+FDIS
command to set the session parameters
between the time a call is placed and a page is transmitted.
Modems with this sort of problem may
ignore the AT+FDIS command which causes incorrect
session parameters being used to interpret the page data (often
resulting in ``squished pages''), or abort the session, returning
a +FHNG: status message to the host.
If you encounter this problem
use the Class2DDISCmd configuration
parameter to enable workaround support in the fax server; e.g.
 HylaFAX table
of contents.
webmaster@hylafax.org.
Last updated $Date: 2002/05/02 22:02:56 $.
Last updated $Date: 2002/05/02 22:02:56 $.
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