If faxing does
not Work
If faxing does
not work from the ModemServe 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(s) supports Fax Class 2 or Class
2.0. Many of todays inexpensive "Windows Modems"
(also known as Software Modems) only support fax Class
1 mode. Class 1 faxing will not work reliably over a
network connection due to sensitive timing issues. When
purchasing new modems for network modemsharing, make
sure the model you get is not limited to fax Class 1
mode.
Also make sure
that the fax software is configured for either Fax Class
2 or Class-2.0 mode.
Unfortunately the MS-Fax included with Windows 2000,
XP, and 2003 is hardcoded to only support Class 1, so
a third party faxing application is needed, such as
WinFax,
Mighty
Fax, or BitFax. (Note: BitFax was discontinued,
but was often bundled with modems purchased in the late
1990's and early 2000's). We highly recommend Mighty
Fax as a simple and inexpensive solution if you don't
need all the features found in WinFax.
Most Fax software
(Including Winfax and Mighty Fax) defaults to using
Fax Class 1 fax when installed, and it must be reconfigured
for fax Class 2 or Class 2.0.
Enabling Fax
Class 2 or 2.0 in Winfax:
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.
Enabling Fax
Class 2 or 2.0 in Mighty Fax:
From the Mighty Fax console, click File >
Set Preferences, then click on Modem and
choose the proper Modem name from the pulldown list.
(Selecting the modem name is recommended rather then
choosing a COM port, so that TAPI is enabled). Next
click on Sending and choose either "Class
2" or "Class 2.0" depending
on which one your modem supports. For the Transfer
Rate we recommend choosing 14400, but if
your phone lines are noisy then you might need to choose
1200 or 9600. If you also plan to receive faxes
you will also need to set the fax Class for this separatetly,
by clicking on Receiving and selecting the same
settings.
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 automatically uses
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=?
Be sure to 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. Mighty Fax and WinFax are also able
to tell you which Classes are supported.
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