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Faxing does not
Work
If Faxing does
not work from the Client computer, try verifying your
installation with something simpler like HyperTerminal
first. If Hyperterminal is not functioning it
would indicate there may be basic problems with your
modem or dialing configuration, which needs to be solved
before attempting to use Fax.
Make sure that
the modem supports Class 2 or Class 2.0 fax mode. Many
of todays inexpensive "Windows Modems" (also
known as Software Modems) only support class 1 fax mode.
Class 1 will not work over a LAN connection due to sensitive
timing issues. When purchasing new modems for network
modemsharing, make sure the model you get is not limited
to Class 1 fax mode.
Also make sure
that the fax software is configured for either "Class
2" or "Class-2.0" fax mode.
Unfortunatly the MS-Fax included with Windows 2000,
XP, and 2003 is hardcoded to only support Class 1, so
a third party faxing application such as WinFax or BitFax
must be used.
(Note: BitFax is under new ownership and is now known
as Simply Messanger Pro).
Older versions
of MS-Fax for Windows 95/98/ME which were included with
Microsoft Exchange do support Class 2 fax mode, but
not Class 2.0. However it defaults to using Class 1,
so you will need to do the following:
From the Windows 9x/ME Control Panel, double click the
"Microsoft Fax" icon, Click PROPERTIES >
MODEM, and then select the modem associated with the
redirected port. Click PROPERTIES > ADVANCED, and
check "Use Class 2 if available".
Winfax defaults to Class 1 fax mode when installed,
and it must be reconfigured for Class 2 or Class 2.0.
This can be done by doing the following:
From the WinFax Message Manager, click TOOLS > SETUP,
then click on "Modem and Communication Devices".
Select the Modem name, and click on PROPERTIES. Then
select "TAPI" as the port, and Under MODEM
TYPE select "Class 2" or "Class 2.0"
depending on which one your modem supports.
Keep in mind that
Class 2 and Class 2.0 are NOT the same protocol, and
you must configure the fax software based on which protocol
is supported by the modem.
BitFax does not
require any configuration, as it will use Class 2 or
2.0 if it detects your modem supports it.
In some cases,
especially for digital modems, only data calls are supported.
You can verify which Fax class your modem supports by
sending it the following command, which can be typed
into a terminal program such as Hyperterminal:
AT+FCLASS=?
Type enter after
the command to send it.The modem reply will be in the
form:
0,1,1.0,2,2.0
Where 0 is for
data, 1 is for Class 1 fax, 1.0 is for Class 1.0 fax,
2 is for Class 2 fax, and 2.0 is for Class 2.0 fax.
Some older data-only modems may report "OK"
or "ERROR" instead.
If you are unfamiliar with how to type in AT commands
to your terminal program, another method is to go to
the modemsharing /Server computer and from the control
panel, select "PHONE AND MODEMS" > MODEM
Tab, select the modem name, and click PROPERTIES >
DIAGNOSTICS > QUERY MODEM. This will send several
AT commands to the modem, and display the modems response
to each command. Find the command that says "AT+FCLASS=?"
and look at the numeric results. Note: The Modem Diagnostics
will not work from a Virtual COM port on a Client PC.
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