====== ISDN ======
===== Komponenten =====
  * Asterisk -> ''chan_capi'' (Asterisk Modul) -> ''libcapi20'' -> ''isdn4k-utils'' (Userland tools) -> ''isdn4linux'' (Kernel)
  * Asterisk -> ''chan_misdn'' (Asterisk Modul) -> ''mISDNcapid'' -> ''mISDNuser'' (Userland tools) -> ''mISDN'' (Kernel)

libcapi20 -> mISDNcapi
==== isdn4linux ====
Kernelmodule
<WRAP important 60%>
Veraltet
</WRAP>

==== isdn4k-utils ====
Userland tools für ''isdn4linux''.
<WRAP important 60%>
Veraltet
</WRAP>

==== mISDN ====
Kernelmodule
  * CAPI 1/2
  * Version 2: chan_??? (Früher PBX4Linux)
  * Version 1: chan_misdn

==== mISDNuser ====
Userland tools für mISDN

===== Modes =====
  * **NT**: Mode ist, wenn man Telefone anschließen will
  * **TE**: Richtung amt