diff --git a/debian/ngcp-sems.default b/debian/ngcp-sems.default
index f20d72b0..e6aa008e 100644
--- a/debian/ngcp-sems.default
+++ b/debian/ngcp-sems.default
@@ -1,27 +1,18 @@
 # configuration for SEMS - SIP Express Media Server
 #
-# this file is sourced by SEMS init script /etc/init.d/sems-pbx
-
-# Note: the #DEBCONF-xxx-START and DEBCONF-xxx-END lines are used for
-# debconf configuration, please don't remove or alter them.
+# this file is sourced by SEMS init script /etc/init.d/ngcp-sems
 
 # Don't start with default config as we need to deploy the ngcp-templates first
 SEMS_RUN="no"
 
 # ser configuration file
-#DEBCONF-CFG_FILE-START
 SEMS_CFG_FILE="/etc/ngcp-sems/sems.conf"
-#DEBCONF-CFG_FILE-END
 
 # user to run ser as
-#DEBCONF-USER-START
 SEMS_USER="sems"
-#DEBCONF-USER-END
 
 # group to run ser as
-#DEBCONF-GROUP-START
-SEMS_GROUP="sems-pbx"
-#DEBCONF-GROUP-END
+SEMS_GROUP="sems"
 
 SEMS_RUNDIR="/var/run/ngcp-sems"
 
@@ -29,11 +20,9 @@ SEMS_RUNDIR="/var/run/ngcp-sems"
 SEMS_PIDFILE="$SEMS_RUNDIR/ngcp-sems.pid"
 
 # set if you want to create core files
-#DEBCONF-CREATE_CORE-START
 SEMS_CREATE_CORE="yes"
-#DEBCONF-CREATE_CORE-END
 
-#DEBCONF-COREDIR-START
 SEMS_COREDIR="/var/cores"
-#DEBCONF-COREDIR-END
 
+SEMS_CACHEDIR="/var/cache/ngcp-sems"
+SEMS_CACHEDIR_EXTRADIRS="audio_cache callingcard"
diff --git a/debian/ngcp-sems.dirs b/debian/ngcp-sems.dirs
index 685a6998..505ccf27 100644
--- a/debian/ngcp-sems.dirs
+++ b/debian/ngcp-sems.dirs
@@ -1 +1,3 @@
 var/cache/ngcp-sems
+var/cache/ngcp-sems/audio_cache
+var/cache/ngcp-sems/callingcard
diff --git a/debian/ngcp-sems.init b/debian/ngcp-sems.init
index 4e360121..aa637c57 100644
--- a/debian/ngcp-sems.init
+++ b/debian/ngcp-sems.init
@@ -10,6 +10,7 @@
 # Short-Description: Start/stop SEMS Application Server
 ### END INIT INFO
 
+SEMS_CACHEDIR="/var/cache/ngcp-sems"
 
 # read configuration from /etc/default/ngcp-sems file
 if test -f /etc/default/ngcp-sems ; then
@@ -29,10 +30,20 @@ DESC=ngcp-sems
 
 PARAMS=""
 
+if ! test -d $SEMS_CACHEDIR ; then
+	mkdir -p $SEMS_CACHEDIR
+fi
+
+for dir in $SEMS_CACHEDIR_EXTRADIRS ; do
+	if ! test -d ${SEMS_CACHEDIR}/${dir} ; then
+		mkdir -p ${SEMS_CACHEDIR}/${dir}
+	fi
+done
+
 if ! test -d $SEMS_RUNDIR ; then
-   mkdir $SEMS_RUNDIR
+   mkdir -p $SEMS_RUNDIR
 fi
-chown $SEMS_USER:$SEMS_GROUP $SEMS_RUNDIR
+chown -R $SEMS_USER:$SEMS_GROUP $SEMS_RUNDIR $SEMS_CACHEDIR
 
 if test "$SEMS_PIDFILE" ; then
   PARAMS="$PARAMS -P $SEMS_PIDFILE"