diff --git a/powerplug.py b/powerplug.py
index 7e9a832..37c9999 100644
--- a/powerplug.py
+++ b/powerplug.py
@@ -26,35 +26,48 @@ class sispmctl(object):
             logger.error("sispm error code %d", grepexc.returncode)
         else:
             logger.info('sispmctl all channels switched off')
+        self.publish_states()
+
+    def __filter_output_parameter__(self, output):
+        try:
+            return int(output)
+        except ValueError:
+            return output
 
     def set_out_state(self, output, state):
-        if output in range(1,5):
-            if self.get_out_state(output) != state:
-                try:
-                    out_txt = subprocess.check_output(["sudo", "sispmctl", "-o" if state else "-f", str(output)]).decode('UTF-8')
-                except subprocess.CalledProcessError as grepexc:                                                                                                   
-                    logger.error("sispm error code %d", grepexc.returncode)
-                else:
-                    logger.info('sispmctl channel %d changed to %s', output, state)
-                    cnt = 0
-                    while cnt < 3 and self.__state__[output - 1] != state:
-                        cnt += 1
-                        try:
-                            out_txt = subprocess.check_output(["sudo", "sispmctl", "-g", str(output)])
-                        except subprocess.CalledProcessError as grepexc:
-                            logger.error("sispm error code %d", grepexc.returncode)
-                        else:
-                            self.__state__[output - 1] = out_txt.decode("UTF-8").split("\n")[1].split("\t")[1] == "on"
-                        time.sleep(.2)
-                self.send_state(output)
+        if output == "all":
+            state = [state, state, state, state]
+
+        if self.get_out_state(output) != state:
+            try:
+                out_txt = subprocess.check_output(["sudo", "sispmctl", "-o" if state == True or state == [True, True, True, True] else "-f", output]).decode('UTF-8')
+            except subprocess.CalledProcessError as grepexc:                                                                                                   
+                logger.error("sispm error code %d", grepexc.returncode)
+            else:
+                logger.info('sispmctl channel %s changed to %s', output, state)
+                self.publish_states()
+
+    def publish_states(self):
+        try:
+            out_txt = subprocess.check_output(["sudo", "sispmctl", "-g", "all"])
+        except subprocess.CalledProcessError as grepexc:
+            logger.error("sispm error code %d", grepexc.returncode)
+        else:
+            print(out_txt)
+            for i in range(1, 5):
+                self.__state__[i-1] = out_txt.decode("UTF-8").split("\n")[i].split("\t")[1] == "on"
+                self.send_state(i)
 
     def send_state(self, output):
         topic = config.MQTT_TOPIC + "/status/" + str(output)
-        logger.info("Sending Powerplug status information of plug %d to mqtt %s = %s", output, topic, str(self.get_out_state(output)))
+        logger.info("Sending Powerplug status information of plug %s to mqtt %s = %s", str(output), topic, str(self.get_out_state(output)))
         self.__mqtt_client__.publish(topic, "true" if self.get_out_state(output) else "false")
 
     def get_out_state(self, output):
-        return self.__state__[output - 1]
+        if output in range(1,5):
+            return self.__state__[int(output) - 1]
+        else:
+            return self.__state__
 
 
 class mqtt_powerplug(object):
@@ -62,7 +75,8 @@ class mqtt_powerplug(object):
         "set/1",
         "set/2",
         "set/3",
-        "set/4"
+        "set/4",
+        "set/all"
     ]
 
     def __init__(self):
@@ -79,9 +93,9 @@ class mqtt_powerplug(object):
 
     def __receive__(self, client, userdata, message):
         if message.topic in self.__topics__:
-            output = int(message.topic.split("/")[-1])
+            output = message.topic.split("/")[-1]
             state = message.payload == b"true"
-            logger.info("Received request to set output channel %d to state %s", output, str(state))
+            logger.info("Received request to set output channel %s to state %s", output, str(state))
             self.__sc__.set_out_state(output, state)
         else:
             logger.warning("Ignoring unknown mqtt topic %s", message.topic)