Specifications

CAPI SoftFax
ISDN-Controller B1 PCI v4.0 – 12 AVM System Architecture 67
remote site for all X.75 connections, independent of the CAPI
application. If the remote site does not perform data com-
pression, the data will be transmitted without compression.
This process takes place in the background and is not appar-
ent to the user.
The “Changing the Settings“ sections for each operating
system describes how to activate or deactivate V.42 data
compression after installation. For Novell NetWare, this in-
formation is contained in the sections “Starting Operation of
the ISDN-Controller B1 PCI v4.0 with Stand-Alone CAPI” on
page 41 and “Configuration of the ISDN-Controller B1 PCI
v4.0 with CAPI for the CAPI Manager” on page 42.
If your computer does not meet the hardware requirements or
if unexpected problems arise during data exchange with re-
mote sites without V.42 capability, it is advisable to deactivate
data compression in both the driver and the application.
If you have problems establishing a connection, try deacti-
vating data compression.
12.5 CAPI SoftFax
The CAPI SoftFax feature allows the controller to send and re-
ceive faxes on two B channels simultaneously at up to
14.4 kbit/s. The ISDN-Controller B1 PCI v4.0 acts as a stan-
dard Group 3 fax device.
The following fax protocols are supported:
z V.17 (14.4 kbit/s)
z V.29 (9.6 kbit/s)
z ECM (Error Correction Mode)
z MR/MMR (2D compression)
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