diff --git a/Makefile b/Makefile
index 8787c983..a1a46fcc 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@
 # Toplevel Makefile for isdn4k-utils
 #
 
-export I4LVERSION = 2.1
+export I4LVERSION = 2.1b1
 
 all:	do-it-all
 
diff --git a/README b/README
index 97939bfa..b38b129c 100644
--- a/README
+++ b/README
@@ -78,17 +78,13 @@ System prerequisites:
    
    Run "make"
 
-   This builds all utilities except the Tcl/Tk-script "isdnmon"
+   This builds all previously selected utilities.
 
 4. Installation
 
    For the following steps, root permissions are necessary
 
-   a) Create the device-inodes:
-
-     make devices
-
-   b) Install the utilities, the man pages and config-files:
+   Install the utilities, the man pages and config-files:
 
      make install
 
diff --git a/doc/Configure.help b/doc/Configure.help
index 872ea483..2173d70c 100644
--- a/doc/Configure.help
+++ b/doc/Configure.help
@@ -21,12 +21,15 @@ CONFIG_EXPERIMENTAL
   you say Y here, you will be offered the choice of using features or
   that are currently considered to be in the alpha-test phase.
 
-General configuration directory
-CONFIG_I4LCONFDIR
-  Some of the programs in this package need global configuration
-  files. This option tells them where to expect these files.
-  During installation, some sample files may be installed there
-  also.
+CONFIG_BUILDX11
+  With this option you can disable the installation of all programs
+  which require X11. If xmkmf is missing, this option will be
+  automatically disabled for you.
+
+CONFIG_KERNELDIR
+  Some programs need special include files from non-standard locations
+  within the kernel source. The default is /usr/src/linux. Change this
+  setting to fit your local environment.
 
 Directory to install binaries
 CONFIG_BINDIR
@@ -48,6 +51,67 @@ CONFIG_MANDIR
   man pages go into some subdirectory below this directory
   depending on the section they belong to.
 
+CONFIG_RUNDIR
+  Some applications create special files for managing their
+  process IDs. This option selects the directory where to create
+  these ".pid" files. Usually this is /var/run.
+
+CONFIG_LOCKDIR
+  Some applications create special files for resource locking.
+  This option selects the directory where to create these files.
+  Usually this is /var/lock.
+
+CONFIG_LOCKFILE
+  Some applications create special files for resource locking.
+  This option selects the fixed part of name for these files.
+  The variable part depends on the application. Usually you
+  can accept the "LCK.." default here.
+
+General configuration directory
+CONFIG_I4LCONFDIR
+  Some of the programs in this package need global configuration
+  files. This option tells them where to expect these files.
+  During installation, some sample files may be installed there
+  also.
+
+CONFIG_CONFFILE
+  This is the name of the global configuration file.
+
+CONFIG_CALLERIDFILE
+  This option defines the name for the global callerid file.
+  In this file, well-known names can be assigned to phone numbers.
+  Some of the applications then display the names instead of
+  phone numbers.
+
+CONFIG_USERCONFFILE
+  In addition to the global config file, some applications allow
+  user-specific settings. This option tells, which filename to
+  use for these settings.
+
+CONFIG_COUNTRY_PREFIX
+  This option defines the prefix to be dialed before the country code
+  on international calls.
+
+CONFIG_AREA_PREFIX
+  This option defines the prefix to be dialed before the area code
+  on national calls.
+
+CONFIG_COUNTRYCODE
+  Put your local country code WITHOUT prefix here.
+
+CONFIG_AREACODE
+  Put your local area code WITHOUT prefix here.
+
+CONFIG_LIB_AREACODE
+  For resolving areacodes to city names, a database library is used.
+  With this option, you can select between two database librarys.
+  The recommended library is "Areacode", however those who want to reuse
+  their old datafiles, can select the old "Avon" library here.
+
+CONFIG_AREACODE_DATA
+  With this option, the directory for the areacode database can be
+  selected.
+
 Build isdnctrl tool
 CONFIG_ISDNCTRL
   This program is the main configuration utility for all linklevel
@@ -106,12 +170,36 @@ CONFIG_PCBITCTL
   can download protocol firmware into cards.
   This program is documented in pcbitctl (8).
 
+CONFIG_AVMCAPICTRL
+  This program is used to configure the avm-b1 driver. With this tool
+  you can download protocol firmware int cards.
+  This program is documented in avmcapictrl (8).
+
+CONFIG_LOOPCTRL
+  This program is used to configure the loop driver. This tool is
+  marked experimental, since the driver is NOT included in standard
+  kernel. It is mainly for testing purposes.
+  This program is documented in loopctrl (8).
+
+CONFIG_LOOPCTRL_LOOPDIR
+  Since loopctrl uses header files from the source of the ISDN loop
+  driver, you have to define the directory where those can be found.
+
 Build imon
 CONFIG_IMON
   This is a userlevel program to monitor the activity of isdn4linux.
   It is tty based and uses ncurses to produce a nice screen.
   This program is documented in imon (1).
 
+CONFIG_IMONTTY
+  This is a userlevel program to monitor the activity of isdn4linux.
+  It is tty based does NOT use (n)curses.
+  This program is documented in imontty (1).
+
+CONFIG_ISDNLOG
+  This program is mainly for monitoring activity. It has been extended
+  to do a lot of more however. See isdnlog/README for more information.
+
 Install generic man pages
 CONFIG_GENMAN
   If enabled, in addition to the tool's man pages, the following generic
diff --git a/icn/aclocal.m4 b/icn/aclocal.m4
index 0d5b5a65..d326d3b3 100644
--- a/icn/aclocal.m4
+++ b/icn/aclocal.m4
@@ -4,6 +4,7 @@ dnl
 
 AC_DEFUN(AC_FIND_KERNEL, [
 	KERNELDIR=""
+	OLD_CPPFLAGS="$CPPFLAGS"
 	lxdir="no"
 	tst_kerneldir="$CONFIG_KERNELDIR"
 
@@ -35,6 +36,7 @@ AC_DEFUN(AC_FIND_KERNEL, [
 		AC_MSG_ERROR("Kernel source not found. You MUST specify a correct path to the linux source in the configuration.")
 	fi
 	KERNELDIR="$lxdir"
+	CPPFLAGS="$OLD_CPPFLAGS"
 	AC_DEFINE_UNQUOTED(KERNELDIR,"$lxdir")
 	AC_SUBST(KERNELDIR)
 ])
diff --git a/icn/configure b/icn/configure
index fc65d84d..fd37d453 100755
--- a/icn/configure
+++ b/icn/configure
@@ -982,6 +982,7 @@ done
 
 
 	KERNELDIR=""
+	OLD_CPPFLAGS="$CPPFLAGS"
 	lxdir="no"
 	tst_kerneldir="$CONFIG_KERNELDIR"
 
@@ -996,12 +997,12 @@ fi
 		echo $ac_n "checking for linux kernel source in ${tst_kerneldir}""... $ac_c" 1>&6
 		CPPFLAGS="-nostdinc -I${tst_kerneldir}/drivers/isdn"
 		cat > conftest.$ac_ext <<EOF
-#line 1000 "configure"
+#line 1001 "configure"
 #include "confdefs.h"
 #include <isdn_common.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1005: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1006: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1017,12 +1018,12 @@ rm -f conftest*
 		echo $ac_n "checking for linux kernel source in /usr/src/linux""... $ac_c" 1>&6
 		CPPFLAGS="-nostdinc -I/usr/src/linux/drivers/isdn"
 		cat > conftest.$ac_ext <<EOF
-#line 1021 "configure"
+#line 1022 "configure"
 #include "confdefs.h"
 #include <isdn_common.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1026: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1027: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1037,12 +1038,12 @@ rm -f conftest*
 		echo $ac_n "checking for linux kernel source in /usr/local/src/linux""... $ac_c" 1>&6
 		CPPFLAGS="-nostdinc -I/usr/local/src/linux/drivers/isdn"
 		cat > conftest.$ac_ext <<EOF
-#line 1041 "configure"
+#line 1042 "configure"
 #include "confdefs.h"
 #include <isdn_common.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1046: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1047: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1059,6 +1060,7 @@ rm -f conftest*
 		{ echo "configure: error: "Kernel source not found. You MUST specify a correct path to the linux source in the configuration."" 1>&2; exit 1; }
 	fi
 	KERNELDIR="$lxdir"
+	CPPFLAGS="$OLD_CPPFLAGS"
 	cat >> confdefs.h <<EOF
 #define KERNELDIR "$lxdir"
 EOF
@@ -1074,7 +1076,7 @@ if eval "test \"`echo '$''{'ac_cv_prog_gcc_traditional'+set}'`\" = set"; then
 else
     ac_pattern="Autoconf.*'x'"
   cat > conftest.$ac_ext <<EOF
-#line 1078 "configure"
+#line 1080 "configure"
 #include "confdefs.h"
 #include <sgtty.h>
 Autoconf TIOCGETP
@@ -1092,7 +1094,7 @@ rm -f conftest*
 
   if test $ac_cv_prog_gcc_traditional = no; then
     cat > conftest.$ac_ext <<EOF
-#line 1096 "configure"
+#line 1098 "configure"
 #include "confdefs.h"
 #include <termio.h>
 Autoconf TCGETA
@@ -1120,7 +1122,7 @@ if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1124 "configure"
+#line 1126 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -1144,7 +1146,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1148: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+if { (eval echo configure:1150: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -1174,7 +1176,7 @@ else
   ac_cv_func_mmap=no
 else
 cat > conftest.$ac_ext <<EOF
-#line 1178 "configure"
+#line 1180 "configure"
 #include "confdefs.h"
 
 /* Thanks to Mike Haertel and Jim Avera for this test. */
@@ -1243,7 +1245,7 @@ main()
 }
 
 EOF
-{ (eval echo configure:1247: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
+{ (eval echo configure:1249: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
 if test -s conftest && (./conftest; exit) 2>/dev/null; then
   ac_cv_func_mmap=yes
 else
diff --git a/loop/aclocal.m4 b/loop/aclocal.m4
index 0d5b5a65..d326d3b3 100644
--- a/loop/aclocal.m4
+++ b/loop/aclocal.m4
@@ -4,6 +4,7 @@ dnl
 
 AC_DEFUN(AC_FIND_KERNEL, [
 	KERNELDIR=""
+	OLD_CPPFLAGS="$CPPFLAGS"
 	lxdir="no"
 	tst_kerneldir="$CONFIG_KERNELDIR"
 
@@ -35,6 +36,7 @@ AC_DEFUN(AC_FIND_KERNEL, [
 		AC_MSG_ERROR("Kernel source not found. You MUST specify a correct path to the linux source in the configuration.")
 	fi
 	KERNELDIR="$lxdir"
+	CPPFLAGS="$OLD_CPPFLAGS"
 	AC_DEFINE_UNQUOTED(KERNELDIR,"$lxdir")
 	AC_SUBST(KERNELDIR)
 ])
diff --git a/loop/configure b/loop/configure
index 319820d3..bf2555c7 100755
--- a/loop/configure
+++ b/loop/configure
@@ -982,6 +982,7 @@ done
 
 
 	KERNELDIR=""
+	OLD_CPPFLAGS="$CPPFLAGS"
 	lxdir="no"
 	tst_kerneldir="$CONFIG_KERNELDIR"
 
@@ -996,12 +997,12 @@ fi
 		echo $ac_n "checking for linux kernel source in ${tst_kerneldir}""... $ac_c" 1>&6
 		CPPFLAGS="-nostdinc -I${tst_kerneldir}/drivers/isdn"
 		cat > conftest.$ac_ext <<EOF
-#line 1000 "configure"
+#line 1001 "configure"
 #include "confdefs.h"
 #include <isdn_common.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1005: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1006: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1017,12 +1018,12 @@ rm -f conftest*
 		echo $ac_n "checking for linux kernel source in /usr/src/linux""... $ac_c" 1>&6
 		CPPFLAGS="-nostdinc -I/usr/src/linux/drivers/isdn"
 		cat > conftest.$ac_ext <<EOF
-#line 1021 "configure"
+#line 1022 "configure"
 #include "confdefs.h"
 #include <isdn_common.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1026: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1027: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1037,12 +1038,12 @@ rm -f conftest*
 		echo $ac_n "checking for linux kernel source in /usr/local/src/linux""... $ac_c" 1>&6
 		CPPFLAGS="-nostdinc -I/usr/local/src/linux/drivers/isdn"
 		cat > conftest.$ac_ext <<EOF
-#line 1041 "configure"
+#line 1042 "configure"
 #include "confdefs.h"
 #include <isdn_common.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1046: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1047: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1059,6 +1060,7 @@ rm -f conftest*
 		{ echo "configure: error: "Kernel source not found. You MUST specify a correct path to the linux source in the configuration."" 1>&2; exit 1; }
 	fi
 	KERNELDIR="$lxdir"
+	CPPFLAGS="$OLD_CPPFLAGS"
 	cat >> confdefs.h <<EOF
 #define KERNELDIR "$lxdir"
 EOF
@@ -1074,7 +1076,7 @@ if eval "test \"`echo '$''{'ac_cv_prog_gcc_traditional'+set}'`\" = set"; then
 else
     ac_pattern="Autoconf.*'x'"
   cat > conftest.$ac_ext <<EOF
-#line 1078 "configure"
+#line 1080 "configure"
 #include "confdefs.h"
 #include <sgtty.h>
 Autoconf TIOCGETP
@@ -1092,7 +1094,7 @@ rm -f conftest*
 
   if test $ac_cv_prog_gcc_traditional = no; then
     cat > conftest.$ac_ext <<EOF
-#line 1096 "configure"
+#line 1098 "configure"
 #include "confdefs.h"
 #include <termio.h>
 Autoconf TCGETA
@@ -1120,7 +1122,7 @@ if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1124 "configure"
+#line 1126 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -1144,7 +1146,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1148: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+if { (eval echo configure:1150: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -1174,7 +1176,7 @@ else
   ac_cv_func_mmap=no
 else
 cat > conftest.$ac_ext <<EOF
-#line 1178 "configure"
+#line 1180 "configure"
 #include "confdefs.h"
 
 /* Thanks to Mike Haertel and Jim Avera for this test. */
@@ -1243,7 +1245,7 @@ main()
 }
 
 EOF
-{ (eval echo configure:1247: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
+{ (eval echo configure:1249: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
 if test -s conftest && (./conftest; exit) 2>/dev/null; then
   ac_cv_func_mmap=yes
 else
diff --git a/pcbit/aclocal.m4 b/pcbit/aclocal.m4
index 0d5b5a65..d326d3b3 100644
--- a/pcbit/aclocal.m4
+++ b/pcbit/aclocal.m4
@@ -4,6 +4,7 @@ dnl
 
 AC_DEFUN(AC_FIND_KERNEL, [
 	KERNELDIR=""
+	OLD_CPPFLAGS="$CPPFLAGS"
 	lxdir="no"
 	tst_kerneldir="$CONFIG_KERNELDIR"
 
@@ -35,6 +36,7 @@ AC_DEFUN(AC_FIND_KERNEL, [
 		AC_MSG_ERROR("Kernel source not found. You MUST specify a correct path to the linux source in the configuration.")
 	fi
 	KERNELDIR="$lxdir"
+	CPPFLAGS="$OLD_CPPFLAGS"
 	AC_DEFINE_UNQUOTED(KERNELDIR,"$lxdir")
 	AC_SUBST(KERNELDIR)
 ])
diff --git a/pcbit/configure b/pcbit/configure
index 29406d18..e7aec456 100755
--- a/pcbit/configure
+++ b/pcbit/configure
@@ -976,6 +976,7 @@ done
 
 
 	KERNELDIR=""
+	OLD_CPPFLAGS="$CPPFLAGS"
 	lxdir="no"
 	tst_kerneldir="$CONFIG_KERNELDIR"
 
@@ -990,12 +991,12 @@ fi
 		echo $ac_n "checking for linux kernel source in ${tst_kerneldir}""... $ac_c" 1>&6
 		CPPFLAGS="-nostdinc -I${tst_kerneldir}/drivers/isdn"
 		cat > conftest.$ac_ext <<EOF
-#line 994 "configure"
+#line 995 "configure"
 #include "confdefs.h"
 #include <isdn_common.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:999: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1000: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1011,12 +1012,12 @@ rm -f conftest*
 		echo $ac_n "checking for linux kernel source in /usr/src/linux""... $ac_c" 1>&6
 		CPPFLAGS="-nostdinc -I/usr/src/linux/drivers/isdn"
 		cat > conftest.$ac_ext <<EOF
-#line 1015 "configure"
+#line 1016 "configure"
 #include "confdefs.h"
 #include <isdn_common.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1020: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1021: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1031,12 +1032,12 @@ rm -f conftest*
 		echo $ac_n "checking for linux kernel source in /usr/local/src/linux""... $ac_c" 1>&6
 		CPPFLAGS="-nostdinc -I/usr/local/src/linux/drivers/isdn"
 		cat > conftest.$ac_ext <<EOF
-#line 1035 "configure"
+#line 1036 "configure"
 #include "confdefs.h"
 #include <isdn_common.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1040: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1041: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1053,6 +1054,7 @@ rm -f conftest*
 		{ echo "configure: error: "Kernel source not found. You MUST specify a correct path to the linux source in the configuration."" 1>&2; exit 1; }
 	fi
 	KERNELDIR="$lxdir"
+	CPPFLAGS="$OLD_CPPFLAGS"
 	cat >> confdefs.h <<EOF
 #define KERNELDIR "$lxdir"
 EOF
@@ -1068,7 +1070,7 @@ if eval "test \"`echo '$''{'ac_cv_prog_gcc_traditional'+set}'`\" = set"; then
 else
     ac_pattern="Autoconf.*'x'"
   cat > conftest.$ac_ext <<EOF
-#line 1072 "configure"
+#line 1074 "configure"
 #include "confdefs.h"
 #include <sgtty.h>
 Autoconf TIOCGETP
@@ -1086,7 +1088,7 @@ rm -f conftest*
 
   if test $ac_cv_prog_gcc_traditional = no; then
     cat > conftest.$ac_ext <<EOF
-#line 1090 "configure"
+#line 1092 "configure"
 #include "confdefs.h"
 #include <termio.h>
 Autoconf TCGETA
@@ -1114,7 +1116,7 @@ if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1118 "configure"
+#line 1120 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -1138,7 +1140,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1142: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+if { (eval echo configure:1144: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
diff --git a/scripts/defconfig b/scripts/defconfig
index d67e5532..32deea91 100644
--- a/scripts/defconfig
+++ b/scripts/defconfig
@@ -85,7 +85,7 @@ CONFIG_XMONISDN_DOWNCMD='/sbin/netdown'
 #
 # Applications
 #
-CONFIG_VBOX=n
+CONFIG_VBOX=y
 
 #
 # Options for vbox package