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$FreeBSD$
Bugfixes, improvements and patches for i4b
==========================================
http://www.freebsd-support.de/i4b/ (in the "errata" section)
Standards:
==========
ETSI
----
http://www.etsi.org/
ITU
---
http://www.itu.ch/
ftp://ftp.leo.org/pub/comp/doc/standards/itu/
CAPI
----
http://www.capi.org/
ISDN Chips
==========
Infineon (formerly Siemens)
---------------------------
http://www.infineon.com/
Cologne Chip Design
-------------------
http://www.colognechip.de/
Winbond
-------
http://www.winbond.com/
SunShine Project - Implementation of the ISDN recommendations Q.921 & Q.931
===========================================================================
http://www.tcm.hut.fi/~bos/ISDN/sunshine/SunShine.html
Books:
======
"ISDN: concepts, facilities and services",
Gary C. Kessler, McGraw-Hill 1993,
ISBN 0-07-034247-4
"Integrated services digital networks: architectures, protocols, standards",
Herman J. Helgert, Addison-Wesley 1991,
ISBN 0-201-52501-1
"ISDN and Broadband ISDN with Frame Relay and ATM",
William Stallings, Prentice Hall 1995,
ISBN 0-02-415513-6
"Technik der Netze",
Gerd Siegmund, R. v. Decker's Verlag 1996,
ISBN 3-7685-2495-7
"Euro-ISDN fuer Anwender und Techniker"
Reinhard Heermeyer und Maria Spath, Festo DIDACTIC 1996,
ISBN 3-8127-4334-5
"ISDN implementors guide: standards, protocols & services",
Charles K. Summers, McGraw-Hill 1995,
ISBN 0-07-069416-8
"PPP Design and Debugging",
James Carlson, Addison-Wesley 1998,
ISBN 0-0201-18539-3
"ISDN - Die Technik",
Andreas Kanbach, Andreas Koerber, Huethig Verlag 1999,
ISBN 3-7785-2288-4
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