IsdnHowto

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== Connect to the Internet using ISDN == == Connecting to the Internet using ISDN ==
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attachment:IconsPage/info.png 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.
attachment:IconsPage/apt.png '''Ubuntu 5.10 (Breezy Badger) and 5.04 (Hoary Hedgehog)'''

 See [:/Breezy: this wiki page] for instructions.

[[BR]]
attachment:IconsPage/apt.png '''Ubuntu 6.06 LTS (Dapper Drake)'''

 To be added.
Line 55: Line 65:

'''Ubuntu 5.04 (Hoary Hedgehog) and Ubuntu 5.10 (Breezy Badger)'''

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.


attachment:IconsPage/apt.png 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.)

attachment:IconsPage/terminal.png 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}}}


[[BR]]
attachment:IconsPage/eyes.png '''The following steps depend on the specific hardware you are using. Follow the instructions for your card.'''

-----

attachment:IconsPage/IconNIC.png '''Hardware: AVM Fritz!Card A1 (2.0)'''

attachment:IconsPage/terminal.png 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.


----

attachment:IconsPage/IconNIC.png '''Hardware: Fritz!Card PCMCIA2.0'''


attachment:IconsPage/terminal.png 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"
}}}



----

attachment:IconsPage/IconNIC.png '''Hardware: Fritz!Card DSL USB'''

attachment:IconsPage/terminal.png The capi configuration file needs changing. Open
 {{{
/etc/isdn/capi.conf}}} and add the following line:
 {{{
fcdslusb fdsubase.frm DSS1 - - - -
}}}

-----
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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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 * troubleshooting section: using dmesg, modprob, modconf, modutils, lsmod, lspci to handle kernel modules  * troubleshooting section or subpage: using dmesg, modprob, modconf, modutils, lsmod, lspci to handle kernel modules

This page describes how to connect to the internet or send and receive faxes using ISDN.

ISDN and Linux

What is isdn4linux?

isdn4linux is a set of kernel modules. It consists of the main module "isdn" and a set of hardware drivers (mainly "HiSax") that control specific ISDN cards. In addition, the package "isdn4k-utils" contains utilities to make use of ISDN-specific features.

What is mISDN?

mISDN is the successor of isdn4linux following the adoption of the CAPI interface with Linux kernel 2.6. Like isdn4linux, it consists of kernel modules (it has been rewritten from scratch).

The following diagram offers an overview of the differences between the older kernel module architecture based on isdn4linux and Terminal-emulation (ochre), and the newer mISDN architecture (blue) based on mISDN and the CAPI interface.

BR What ISDN cards are supported?

isdn4linux supports both "active" (built-in firmware) and "passive" cards that plug into a desktop PC's PCI slot as well as PCMCIA cards (for laptops) and USB adapters.

mISDN currently supports AVM Fritz!Cards and most HFC-PCI based cards via its hardware drivers.

For a comprehensive list of supported ISDN cards, see the [wiki:/HardwareSupport Hardware Support] wiki page.

BR Can I use my ISDN card to send and receive faxes?

At present, fax support for most passive ISDN cards is only available in conjunction with the older isdn4linux kernel module package. The GPL-licensed [http://0pointer.de/lennart/projects/ivcall/ ivcall] software is able to send and receive voice calls and faxes via passive cards (using isdn4linux, not mISDN). It makes use of the [http://soft-switch.org/ spandsp library] which is part of the [http://www.asterisk.org/ Asterisk project].

Users of (passive) AVM cards are somewhat luckier: they can take advantage of a binary CAPI 2.0 driver that supports faxing in tandem with the mISDN modules.

mISDN does not offer fax support for passive ISDN cards (other than AVM). There are plans to extend mISDN with layer 2 and layer 3 protocols for fax. Once this works (e.g. with the Sedlbauer Speedfax card) then the layer 1 protocol (modulation/demodulation) could also be implemented via the [http://soft-switch.org/ spandsp library].

See [http://www.isdn4linux.de/faq/i4lfaq-3.html#ss3.4 this section of the isdn4linux FAQ] for details.

BR

BR

Connecting to the Internet using ISDN

attachment:IconsPage/apt.png Ubuntu 5.10 (Breezy Badger) and 5.04 (Hoary Hedgehog)

  • See [:/Breezy: this wiki page] for instructions.

BR attachment:IconsPage/apt.png Ubuntu 6.06 LTS (Dapper Drake)

  • To be added.

BR

attachment:IconsPage/eyes.png For all Hardware configurations:

BR

ToDo

To be added:

  • Tutorials for Dapper
  • capiutils tutorial
  • more on capi configuration and hardware initialization
  • troubleshooting section or subpage: using dmesg, modprob, modconf, modutils, lsmod, lspci to handle kernel modules

For More Information

Linux and ISDN

ISDN card manufacturers

Standards Bodies, Working Groups

Asterisk

Other Tutorials

man pages

CategoryDocumentation CategoryNetworking CategoryCleanup CategoryNeedsExpansion

IsdnHowto (last edited 2008-08-06 16:39:51 by localhost)