特殊:Badtitle/NS100:IsdnHowto:修订间差异
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* 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. | * 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 [http://help.ubuntu.com/ubuntu/desktopguide/C/internet.html Connecting to the Internet] section. | * For more on how to use the Networking control panel to set up your internet connection, see the Ubuntu Desktop Guide's [http://help.ubuntu.com/ubuntu/desktopguide/C/internet.html Connecting to the Internet] section. | ||
* For more on how to set up and control your connection using command line tools, see [ | * For more on how to set up and control your connection using command line tools, see [[UbuntuWiki:DialupModemHowto#head-69395fb95485fa3173cb9251f910f3d278ee59a7|Configuring the Dial-up connection to your provider]] on the [[UbuntuHelp:DialupModemHowto|DialupModemHowto]] wiki page. | ||
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=== ToDo === | === ToDo === |
2007年12月8日 (六) 09:44的版本
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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 "Hi'Sax") 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.
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 Hardware Support wiki page.
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 ivcall software is able to send and receive voice calls and faxes via passive cards (using isdn4linux, not mISDN). It makes use of the spandsp library which is part of the 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 spandsp library.
See this section of the isdn4linux FAQ for details.
- Sources: Gernot Hillier, Karsten Keil, Heimserver im Eigenbau, c't 3/2004; ISDN4Linux FAQ
Connecting to the Internet using ISDN
Ubuntu 5.10 (Breezy Badger) and 5.04 (Hoary Hedgehog)
See this wiki page for instructions.
Ubuntu 6.06 LTS (Dapper Drake)
To be added.
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
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
- The ISDN4Linux page is home to isdn4linux and its successor, mISDN. A very comprehensive FAQ on the site offers answers to the most commonly asked questions.
- This excellent article (in German) charts the history of ISDN support for Linux, explains the fundamental technical issues and details a range of possible applications. Highly recommended.
- Dan Kegel's ISDN page, with lots of information on ISDN
- See the Hardware Support wiki page for a list of supported ISDN cards with isdn4linux and mISDN
ISDN card manufacturers
- AVM offers binary drivers for the ISDN cards it manufactures. Their Linux portal offers news and a support knowledgebase around ISDN on Linux.
- Eicon
- Creatix
- Sitecom
Standards Bodies, Working Groups
- Homepage of the CAPI Association
Asterisk
- The Asterisk Project
- Blog post by Scott Laird on faxing with Asterisk
- Asterfax, an email (SMTP) gateway for the transmission of faxes using Asterisk
- The Spandsp library
- Sending and receiving faxes with spandsp
- Faxing over IP networks (FoIP), notes on the drawbacks of (and current issues with) FoIP by Steve Underwood
Other Tutorials
- Hylafax mit AVM Fritz ISDN Karten (German)
- AVM CAPI 2.0 and Debian GNU/Linux (German)
- Networking on Linux (French)