Operation Manual

4 Internet Access with the FRITZ!Card USB
20
4INTERNET ACCESS WITH THE FRITZ!CARD USB
In addition to the “traditional” ISDN services based on the ISDN
interface Common ISDN API (CAPI)—file transfer, fax, telephony
etc.—
FF
FF
F
RR
RR
R
ITZ!CarITZ!Car
ITZ!CarITZ!Car
ITZ!Car
d Ud U
d Ud U
d U
SB SB
SB SB
SB also supports Internet connections us-
ing Windows’ Dial-Up Networking.
To connect your computer to the Internet using
FF
FF
F
RR
RR
R
ITZ!CarITZ!Car
ITZ!CarITZ!Car
ITZ!Car
d Ud U
d Ud U
d U
SBSB
SBSB
SB,
AVM provides the following system drivers:
• AVM ISDN CAPI Port Driver
• AVM NDIS WAN CAPI Driver
Both of these system drivers are included with the
FF
FF
F
RR
RR
R
ITZ!CarITZ!Car
ITZ!CarITZ!Car
ITZ!Car
dd
dd
d
UU
UU
U
SBSB
SBSB
SB.
4.1 The AVM System Driver Concept in MS Windows
The AVM system drivers permit the use of communications pro-
grams under Windows’ Dial-Up Networking, simultaneously with
native CAPI-based ISDN software such as
FF
FF
F
RR
RR
R
ITZ!32ITZ!32
ITZ!32ITZ!32
ITZ!32. Such
programs can be used for Internet connections (see the
functional diagram on page 11 for an example).
The ISDN CAPI Port Driver and NDIS WAN CAPI Driver for Win-
dows 98 use the CAPI 2.0 driver’s kernel mode interface.
The NDIS WAN CAPI Driver for Windows 98 is based on the Win32
Driver Model (WDM) and requires a special CAPI 2.0 driver that
conforms to WDM.
4.2 The AVM ISDN CAPI Port Driver
The
AA
AA
A
VM IVM I
VM IVM I
VM I
SDN CSDN C
SDN CSDN C
SDN C
APAP
APAP
AP
I PI P
I PI P
I P
oror
oror
or
t Drivt Driv
t Drivt Driv
t Driv
er er
er er
er permits the use of ISDN with
programs designed to address Windows’ VCOMM/Unimodem
communications interface.
When the ISDN CAPI Port Driver is installed, a number of “vir-
tual modems” are registered in the operating system and thus
addressable by Windows programs using AT commands and
virtual modem registers. These modem entries differ only in their