diff --git a/Makefile b/Makefile
index 36fa909d..5a6c9a66 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-# $Id: Makefile,v 1.24 1998/08/25 16:33:09 calle Exp $
+# $Id: Makefile,v 1.25 1998/10/13 12:54:44 paul Exp $
 #
 # Toplevel Makefile for isdn4k-utils
 #
@@ -126,6 +126,12 @@ rootperm:
 
 install: rootperm
 	set -e; for i in `echo $(SUBDIRS)`; do $(MAKE) -C $$i install; done
+	@if [ -c /dev/isdnctrl0 ] && ls -l /dev/isdnctrl0 | egrep "[[:space:]]45,[[:space:]]+64[[:space:]]" > /dev/null; \
+	then \
+		echo -e '(some) ISDN devices already exist, not creating them.\nUse scripts/makedev.sh manually if necessary.'; \
+	else \
+		sh scripts/makedev.sh; \
+	fi
 
 uninstall: rootperm
 	set -e; for i in `echo $(SUBDIRS)`; do $(MAKE) -C $$i uninstall; done
diff --git a/README b/README
index 7f9e135d..0bef688b 100644
--- a/README
+++ b/README
@@ -1,5 +1,5 @@
 #
-# $Id: README,v 1.8 1998/08/01 19:59:12 paul Exp $
+# $Id: README,v 1.9 1998/10/13 12:54:43 paul Exp $
 #
 This is the README file for the "isdn4k-utils" package from "The i4l-crew".
 
@@ -28,7 +28,10 @@ This package contains the following stuff:
   vbox,       an answering machine/voice mailbox.
   ipppd,      daemon need for syncPPP and MPP.
 
-4. Documentation:
+4. Miscellaneous:
+  scripts/makedev.sh   for creating the ISDN device files under /dev .
+
+5. Documentation:
   A very detailed FAQ and the generic manpages ttyI.4, isdninfo.4,
   isdn_audio.4 and isdn_cause.7.
   Manpages for the above utilities:
@@ -97,6 +100,11 @@ System prerequisites:
    The config files usually are installed in /etc/isdn if not
    specified otherwise during configuration.
 
+   If no existing ISDN devices in /dev are detected (via an admittedly
+   simple test), script/makedev.sh is run during "make install". Check
+   that the permissions / groups are suitable for your needs.
+   You can run the makedev.sh script again if necessary.
+
 5. Application
 
    The directory ./etc contains an example startup-script which gets
@@ -110,6 +118,6 @@ System prerequisites:
    For the utilities refer to the man pages or look into their
    subdirectories for Documentation.
 
-   For tips, troubleshooting etc. look into the FAQ subdirectory
+   For tips, troubleshooting etc. look into the FAQ subdirectory.
 
  -Fritz
diff --git a/scripts/makedev.sh b/scripts/makedev.sh
new file mode 100755
index 00000000..d14e690e
--- /dev/null
+++ b/scripts/makedev.sh
@@ -0,0 +1,87 @@
+#!/bin/sh
+#
+# $Id: makedev.sh,v 1.1 1998/10/13 12:54:48 paul Exp $
+#
+# This script creates all ISDN devices under /dev .
+# Most distributions don't include these devices.
+
+if [ "`id | grep uid=0`" = "" ]; then
+	echo "In order to create device inodes, you must run this script as root."
+	exit 1
+fi
+echo -e "Creating device inodes ... \c"
+
+DEV=/tmp/dev
+
+MAJ=45
+MIN=0
+rm -f $DEV/isdnctrl* $DEV/ippp*
+while [ $MIN -lt 64 ] ; do
+#	mknod -m 600 $DEV/isdn$MIN c $MAJ $MIN
+	mknod -m 660 $DEV/isdnctrl$MIN c $MAJ `expr $MIN + 64`
+	mknod -m 600 $DEV/ippp$MIN c $MAJ `expr $MIN + 128`
+	MIN=`expr $MIN + 1`
+done
+if   grep '^pppusers:' /etc/group > /dev/null
+then	# RH 5 standard
+	chgrp pppusers $DEV/isdnctrl* $DEV/ippp*
+elif grep '^dialout:' /etc/group > /dev/null
+then	# Debian/SuSE standard
+	chgrp dialout $DEV/isdnctrl* $DEV/ippp*
+fi
+rm -f $DEV/isdninfo
+mknod -m 444 $DEV/isdninfo c $MAJ 255
+ln -sf $DEV/isdnctrl0 $DEV/isdnctrl
+
+MAJ=43
+MIN=0
+rm -f $DEV/ttyI*
+while [ $MIN -lt 64 ] ; do
+	mknod -m 666 $DEV/ttyI$MIN c $MAJ $MIN
+	MIN=`expr $MIN + 1`
+done
+
+MAJ=44
+MIN=0
+rm -f $DEV/cui*
+while [ $MIN -lt 64 ] ; do
+	mknod -m 666 $DEV/cui$MIN c $MAJ $MIN
+	MIN=`expr $MIN + 1`
+done
+
+if grep '^dialout:' /etc/group > /dev/null
+then	# Debian/SuSE standard
+	chgrp dialout $DEV/ttyI* $DEV/cui*
+fi
+
+MAJ=68
+MIN=0
+rm -f $DEV/capi20*
+mknod -m 666 $DEV/capi20 c $MAJ 0
+mknod -m 666 $DEV/capi20.00 c $MAJ 1
+mknod -m 666 $DEV/capi20.01 c $MAJ 2
+mknod -m 666 $DEV/capi20.02 c $MAJ 3
+mknod -m 666 $DEV/capi20.03 c $MAJ 4
+mknod -m 666 $DEV/capi20.04 c $MAJ 5
+mknod -m 666 $DEV/capi20.05 c $MAJ 6
+mknod -m 666 $DEV/capi20.06 c $MAJ 7
+mknod -m 666 $DEV/capi20.07 c $MAJ 8
+mknod -m 666 $DEV/capi20.08 c $MAJ 9
+mknod -m 666 $DEV/capi20.09 c $MAJ 10
+mknod -m 666 $DEV/capi20.10 c $MAJ 11
+mknod -m 666 $DEV/capi20.11 c $MAJ 12
+mknod -m 666 $DEV/capi20.12 c $MAJ 13
+mknod -m 666 $DEV/capi20.13 c $MAJ 14
+mknod -m 666 $DEV/capi20.14 c $MAJ 15
+mknod -m 666 $DEV/capi20.15 c $MAJ 16
+mknod -m 666 $DEV/capi20.16 c $MAJ 17
+mknod -m 666 $DEV/capi20.17 c $MAJ 18
+mknod -m 666 $DEV/capi20.18 c $MAJ 19
+mknod -m 666 $DEV/capi20.19 c $MAJ 20
+
+if grep '^dialout:' /etc/group > /dev/null
+then	# Debian/SuSE standard
+	chgrp dialout $DEV/capi20 $DEV/capi20.??
+fi
+
+echo "done."