diff --git a/README.md b/README.md
index decd8d7..119a3df 100644
--- a/README.md
+++ b/README.md
@@ -4,41 +4,3 @@ Intercom - Indoor part
 RASPBERRY Pi 2 Model B:
  - Python Kivy
  - omxplayer
-
-
-Install:
-- add root
-- install kivy:
-  https://kivy.org/docs/installation/installation-rpi.html
-- install PJSIP:
-  !!! netreba FFMPEG ani ASTERISK !!!
-  apt-get install -y alsa-base alsa-utils alsa-tools libasound-dev
-  apt-get install -y libasound2-plugins libasound2 libasound2-dev mpg321
-
-  wget http://www.libsdl.org/release/SDL2-2.0.5.tar.gz
-   tar xvzf SDL2-2.0.5.tar.gz
-   ./autogen
-   ./configure
-   make -j4 && make install
-
-  http://www.pjsip.org/download.htm:
-   wget http://www.pjsip.org/release/2.6/pjproject-2.6.tar.bz2
-   tar xvf pjproject-2.6.tar.bz2
-   cd pjproject-2.6
-   ./configure --disable-floating-point --disable-speex-aec --disable-large-filter --disable-l16-codec --disable-ilbc-codec --disable-g722-codec --disable-g7221-codec --disable-ffmpeg --disable-v4l2 --disable-openh264 --disable-video
-   make dep -i && make -j4 -i (&& make install)
-
-
-
-
-USB audio:
- - upravit:
-(http://raspberrypi.stackexchange.com/questions/40831/how-do-i-configure-my-sound-for-jasper-on-raspbian-jessie)
-/etc/modprobe.d/alsa-base.conf
-
-# This sets the index value of the cards but doesn't reorder.
-options snd_usb_audio index=0
-options snd_bcm2835 index=1
-
-# Does the reordering.
-options snd slots=snd_usb_audio,snd_bcm2835
\ No newline at end of file
diff --git a/backlight.sh b/backlight.sh
index f3f2e16..0d3081c 100755
--- a/backlight.sh
+++ b/backlight.sh
@@ -1,5 +1,10 @@
 #!/bin/bash
 
+# #################################################################################
+#
+# Indoor system script
+#	switch on|off screen backlight
+#
+# #################################################################################
 
-#echo 0 > /sys/class/backlight/rpi_backlight/bl_power
 echo $1 > /sys/class/backlight/rpi_backlight/bl_power
\ No newline at end of file
diff --git a/brightness.sh b/brightness.sh
index eaf3cd6..04a4cca 100755
--- a/brightness.sh
+++ b/brightness.sh
@@ -1,3 +1,10 @@
 #!/bin/bash
 
+# #################################################################################
+#
+# Indoor system script
+#	set screen brightness
+#
+# #################################################################################
+
 echo $1 > /sys/class/backlight/rpi_backlight/brightness
\ No newline at end of file
diff --git a/clrscr.sh b/clrscr.sh
new file mode 100755
index 0000000..ad8677c
--- /dev/null
+++ b/clrscr.sh
@@ -0,0 +1,42 @@
+#!/bin/bash
+
+# #################################################################################
+#
+# Indoor system script
+#	clear screen
+#
+# #################################################################################
+
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo "       #####################################################################################" > /dev/tty1
+echo "       #                                                                                   #" > /dev/tty1
+echo "       #                                     I N D O O R                                   #" > /dev/tty1
+echo "       #                                                                                   #" > /dev/tty1
+echo "       #                                        . . .                                      #" > /dev/tty1
+echo "       #  Alphatech                                                                  2017  #" > /dev/tty1
+echo "       #####################################################################################" > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+echo > /dev/tty1
+#clear > /dev/tty1
+#setterm -cursor off > /dev/tty1
diff --git a/dbuscntrl.sh b/dbuscntrl.sh
index 731e6d2..00ff72e 100755
--- a/dbuscntrl.sh
+++ b/dbuscntrl.sh
@@ -1,5 +1,12 @@
 #!/bin/bash
 
+# #################################################################################
+#
+# Indoor system script
+#	omxplayer dbus-control
+#
+# #################################################################################
+
 #set -x
 
 OMXPLAYER_DBUS_ADDR="/tmp/omxplayerdbus.${USER:-root}"
diff --git a/hid_init.sh b/hid_init.sh
index 3840c67..e6612c8 100755
--- a/hid_init.sh
+++ b/hid_init.sh
@@ -1,3 +1,10 @@
+# #################################################################################
+#
+# Indoor system script
+#	set USB audio defaults
+#
+# #################################################################################
+
 HID=./hid
 OUTPUT_CONTROL=0x1019
 EQ_GAIN_LOW=0x10D7
diff --git a/indoor.ini b/indoor.ini
index 4242123..dd854e6 100644
--- a/indoor.ini
+++ b/indoor.ini
@@ -23,7 +23,7 @@ btn_door_1 = Open Door 1
 btn_door_2 = Open Door 2
 screen_mode = 4
 btn_call_answer = Answer Call
-btn_docall = Do Call :-)
+btn_docall = Do Call
 
 [common]
 server_ip_address_1 = 192.168.1.250
diff --git a/pjindoor.py b/pjindoor.py
index b194655..b393474 100644
--- a/pjindoor.py
+++ b/pjindoor.py
@@ -750,7 +750,7 @@ def callback_btn_docall(self):
 
     def gotResponse(self, req, results):
 	"relay result"
-        Logger.debug('Relay: req=' + req + ' res=' + results)
+        Logger.debug('Relay: req=' + str(req) + ' res=' + results)
 
 
     def setRelayRQ(self, relay):
@@ -767,7 +767,7 @@ def setRelayRQ(self, relay):
 
     def callback_btn_door1(self):
 	"door 1 button"
-        Loger.debug(BUTTON_DOOR_1)
+        Logger.debug(BUTTON_DOOR_1+':')
         self.setRelayRQ('relay1')
 
 
@@ -1303,7 +1303,7 @@ def on_config_change(self, cfg, section, key, value):
 #		self.myAlertListBox('Log history', recent_log)
 	elif token == ('service', 'app_rst'):
 	    if 'button_app_rst' == value:
-		self.myAlertBox('WARNING', 'Application is going to restart!', self.popupClosed)
+		self.myAlertBox('WARNING', 'Application is going to restart!', self.popupClosed, False)
 	elif token == ('system', 'inet'):
 	    self.changeInet = True
 	elif 'gui' in section or token == ('sip', 'sip_mode'):
@@ -1412,4 +1412,5 @@ def myAlertListBox(self, titl, ldata, cb=None, ad=True):
 # ###############################################################
 
 if __name__ == '__main__':
+    send_command('./clrscr.sh')
     IndoorApp().run()
diff --git a/setipaddress.sh b/setipaddress.sh
index ded3ef4..eab19ac 100755
--- a/setipaddress.sh
+++ b/setipaddress.sh
@@ -1,11 +1,16 @@
 #! /bin/bash
 
+# #################################################################################
+#
+# Indoor system script
+#	set IP address (network settings)
+#
+# #################################################################################
+
 IFILE="/etc/network/interfaces"
 DFILE="/etc/resolv.conf"
 DNS=`cat $DFILE | grep "nameserver $7" | awk 'NR==1 {print $2}'`
 
-#echo $1 $2 $3 $4 $5
-
 # file backup
 cat $IFILE > "$IFILE.backup"
 cat $DFILE > "$DFILE.backup"
@@ -35,9 +40,7 @@ else
   echo "iface eth0 inet static" >> $IFILE
   echo "address $2" >> $IFILE
   echo "netmask $3" >> $IFILE
-#  echo "broadcast $4" >> $IFILE
   echo "gateway $4" >> $IFILE
-#  echo "network $6" >> $IFILE
 
   # DNS setting
   if [ $5 = "" ]; then
@@ -45,7 +48,6 @@ else
   else
     echo "nameserver $5" > $DFILE
   fi
-
 fi
 
 /etc/init.d/networking restart
diff --git a/setvolume.sh b/setvolume.sh
index 2e2fd73..717b2b8 100755
--- a/setvolume.sh
+++ b/setvolume.sh
@@ -1,4 +1,12 @@
 #! /bin/bash
+
+# #################################################################################
+#
+# Indoor system script
+#	set audio volume
+#
+# #################################################################################
+
 VOLUMEID=`amixer controls | grep "PCM Playback Volume" | sed -e 's/,/\n/g' | awk 'NR==1 {print $1}' | sed 's/numid=//'`
 
 amixer cset numid=$VOLUMEID $1%
diff --git a/share/indoor.sh b/share/indoor.sh
index 8c107f7..2856c85 100755
--- a/share/indoor.sh
+++ b/share/indoor.sh
@@ -16,9 +16,6 @@ pustaj() {
 
 sleep 1
 
-clear > /dev/tty1
-setterm -cursor off > /dev/tty1
-
 ## working dir
 cd /root/indoorpy
 ./hid_init.sh
diff --git a/sysinfo.sh b/sysinfo.sh
index 8153055..08cb21e 100755
--- a/sysinfo.sh
+++ b/sysinfo.sh
@@ -1,4 +1,12 @@
 #! /bin/bash
+
+# #################################################################################
+#
+# Indoor system script
+#	get basic system info: date, RPi S/N, network settings
+#
+# #################################################################################
+
 SERIAL=`cat /proc/cpuinfo | grep -i '^serial' | grep -Eo '[a-fA-F0-9]{16}$'`
 DAT=$(date "+%Y-%m-%d")
 IP_ADDR=`hostname -I`
diff --git a/unblank.sh b/unblank.sh
index b558650..aa718cf 100755
--- a/unblank.sh
+++ b/unblank.sh
@@ -1,5 +1,10 @@
 #!/bin/bash
 
-#cat /sys/module/kernel/parameters/consoleblank
-echo 0 >/sys/class/graphics/fb0/blank
-#cat /sys/module/kernel/parameters/consoleblank
+# #################################################################################
+#
+# Indoor system script
+#	unblank screen
+#
+# #################################################################################
+
+echo 0 > /sys/class/graphics/fb0/blank
diff --git a/volumeinfo.sh b/volumeinfo.sh
index 1f5cb27..1cf8b66 100755
--- a/volumeinfo.sh
+++ b/volumeinfo.sh
@@ -1,6 +1,15 @@
 #! /bin/bash
+
+# #################################################################################
+#
+# Indoor system script
+#	get USB Audio devide ID, volume, min&max value
+#
+# #################################################################################
+
 VOLUMEID=`amixer controls | grep "PCM Playback Volume" | sed -e 's/,/\n/g' | awk 'NR==1 {print $1}' | sed 's/numid=//'`
 VOLUMEVAL=`amixer cget numid=$VOLUMEID | grep ": values" | sed 's/  : values=//' | sed -e 's/,/\n/g' | awk 'NR==1 {print $1}'`
 MINVAL=`amixer cget numid=$VOLUMEID | grep "access" | sed -e 's/,/\n/g' | awk 'NR==4 {print $1}' | sed 's/min=//'`
 MAXVAL=`amixer cget numid=$VOLUMEID | grep "access" | sed -e 's/,/\n/g' | awk 'NR==5 {print $1}' | sed 's/max=//'`
+
 echo $VOLUMEID $VOLUMEVAL $MINVAL $MAXVAL