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Applies to: Ubuntu 5.04 (Hoary Hedgehog) and Ubuntu 5.10 (Breezy Badger)

• See the ISDN Networking page for instructions for Ubuntu 6.06 LTS (Dapper Drake)
• For a comprehensive list of supported ISDN cards, see the ISDN Hardware page

Connecting to the Internet using ISDN

This tutorial has been successfully tested with the ISDN cards specified with the Hardware header in each section of the tutorial. It may work with other cards (or it may not). Please help to expand this page if you have tested this tutorial with a different card or if you can supply more information.

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To connect to the internet with an ISDN card in Ubuntu 5.04 or 5.10, you will need to install the restricted kernel modules package (it contains the binary drivers for AVM ISDN cards), the AVM firmware driver package, and the pppdcapiplugin package.

Install the linux-restricted-modules package that corresponds to your kernel version and system architecture (for example: linux-restricted-modules-2.6.12-10-386 is the right package to use for the 2.6.12-10 kernel on the i386 architecture), the avm-fritz-firmware package that corresponds to your kernel version (avm-fritz-firmware-2.6.12-10 for example) and the pppdcapiplugin package. (Note: The restricted-modules package comes pre-installed on Ubuntu 5.10.)

Enable the "capi" kernel module in the kernel modules configuration file. To do that, open

/etc/modules

in your favourite editor and add a line saying

capi

The following steps depend on the specific hardware you are using. Follow the instructions for your card.

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Hardware: AVM Fritz!Card A1 (2.0)

Create or open the file

/etc/hotplug/backlist.d/isdn

and add the following two lines:

hisax
hisax_fcpcipnp

• Reboot. Confirm that the avm and capi kernel modules are properly loaded by typing

lsmod at the command line.

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Hardware: Fritz!Card PCMCIA2.0

The PCMCIA configuration file needs a few changes. Open

/etc/pcmcia/config

in your editor and remove the line that says

avma1_cs

• Add the following lines:

device "fcpcmcia_cs"
class "avma1" module "fcpcmcia_cs"

card "AVM S0/PC ISDN"
version "AVM", "ISDN A"
bind "fcpcmcia_cs"

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Hardware: Fritz!Card DSL USB

The capi configuration file needs changing. Open

/etc/isdn/capi.conf

and add the following line:

fcdslusb        fdsubase.frm    DSS1    -       -       -       -

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For all Hardware Configurations

• Once the ISDN card is configured properly, we can use both graphical interfaces and command line tools to configure the network connection to our internet service provider.

• For more on how to use the Networking control panel to set up your internet connection, see the Ubuntu Desktop Guide's Connecting to the Internet section.

• For more on how to set up and control your connection using command line tools, see Configuring the Dial-up connection to your provider on the DialupModemHowto wiki page.

ToDo

Things not working in hoary:

• network-admin can't activate the connection directly
• modem-applet can connect too
• what about non-AVM hardware? Where does configuration differ?

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