diff --git a/VERSION b/VERSION
index ccedee9..5c2545f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-v3.5.2
+v3.5.3
diff --git a/daemons/Phone.php b/daemons/Phone.php
index ed1a2c7..585ce20 100644
--- a/daemons/Phone.php
+++ b/daemons/Phone.php
@@ -23,7 +23,6 @@ class Phone extends AbstractDaemon
     private $read_delay = 20 / 0.5;
     private $read_tick = 0;
     private $msg_queue;
-    private $msg_queue_id;
     private $webhook_queue;
     private $last_message_at;
     private $phone;
@@ -38,7 +37,6 @@ class Phone extends AbstractDaemon
     public function __construct(array $phone)
     {
         $this->phone = $phone;
-        $this->msg_queue_id = (int) (QUEUE_ID_PHONE_PREFIX . $this->phone['id']);
 
         $name = 'RaspiSMS Daemon Phone ' . $this->phone['id'];
         $logger = new Logger($name);
@@ -87,7 +85,7 @@ class Phone extends AbstractDaemon
         //Set last message at to construct time
         $this->last_message_at = microtime(true);
 
-        $this->msg_queue = msg_get_queue($this->msg_queue_id);
+        $this->msg_queue = msg_get_queue(QUEUE_ID_PHONE);
 
         //Instanciate adapter
         $adapter_class = $this->phone['adapter'];
@@ -98,11 +96,7 @@ class Phone extends AbstractDaemon
 
     public function on_stop()
     {
-        //Delete queue on daemon close
-        $this->logger->info('Closing queue : ' . $this->msg_queue_id);
-        msg_remove_queue($this->msg_queue);
-
-        $this->logger->info('Stopping Phone daemon with pid ' . getmypid());
+            $this->logger->info('Stopping Phone daemon with pid ' . getmypid());
     }
 
     public function handle_other_signals($signal)
@@ -125,8 +119,10 @@ class Phone extends AbstractDaemon
             $maxsize = 409600;
             $message = null;
 
+            // Message type is forged from a prefix concat with the phone ID
+            $message_type = (int) QUEUE_TYPE_SEND_MSG_PREFIX . $this->phone['id'];
             $error_code = null;
-            $success = msg_receive($this->msg_queue, QUEUE_TYPE_SEND_MSG, $msgtype, $maxsize, $message, true, MSG_IPC_NOWAIT, $error_code); //MSG_IPC_NOWAIT == dont wait if no message found
+            $success = msg_receive($this->msg_queue, $message_type, $msgtype, $maxsize, $message, true, MSG_IPC_NOWAIT, $error_code); //MSG_IPC_NOWAIT == dont wait if no message found
 
             if (!$success && MSG_ENOMSG !== $error_code)
             {
diff --git a/daemons/Sender.php b/daemons/Sender.php
index 9aaa955..f3fcc7d 100644
--- a/daemons/Sender.php
+++ b/daemons/Sender.php
@@ -23,7 +23,7 @@ class Sender extends AbstractDaemon
     private $internal_scheduled;
     private $internal_received;
     private $bdd;
-    private $queues = [];
+    private $msg_queue;
 
     public function __construct()
     {
@@ -62,15 +62,14 @@ class Sender extends AbstractDaemon
     {
         foreach ($smss_per_scheduled as $id_scheduled => $smss)
         {
+            //If queue not  already exists
+            if (!msg_queue_exists($QUEUE_ID_PHONE) || !isset($this->queue))
+            {
+                $this->msg_queue = msg_get_queue(QUEUE_ID_PHONE);
+            }
+
             foreach ($smss as $sms)
             {
-                //If queue not already exists
-                $queue_id = (int) (QUEUE_ID_PHONE_PREFIX . $sms['id_phone']);
-                if (!msg_queue_exists($queue_id) || !isset($queues[$queue_id]))
-                {
-                    $this->queues[$queue_id] = msg_get_queue($queue_id);
-                }
-
                 $msg = [
                     'id_user' => $sms['id_user'],
                     'id_scheduled' => $sms['id_scheduled'],
@@ -82,8 +81,10 @@ class Sender extends AbstractDaemon
                     'medias' => $sms['medias'] ?? [],
                 ];
 
-                msg_send($this->queues[$queue_id], QUEUE_TYPE_SEND_MSG, $msg);
-                $this->logger->info('Transmit sms send signal to phone ' . $sms['id_phone'] . ' on queue ' . $queue_id . '.');
+                // Message type is forged from a prefix concat with the phone ID
+                $message_type = (int) QUEUE_TYPE_SEND_MSG_PREFIX . $sms['id_phone'];
+                msg_send($this->msg_queue, $message_type, $msg);
+                $this->logger->info('Transmit sms send signal to phone ' . $sms['id_phone'] . ' on queue ' . QUEUE_ID_PHONE . ' with message type ' . $message_type . '.');
             }
 
             $this->logger->info('Scheduled ' . $id_scheduled . ' treated and deleted.');
@@ -99,6 +100,10 @@ class Sender extends AbstractDaemon
 
     public function on_stop()
     {
+        //Delete queue on daemon close
+        $this->logger->info('Closing queue : ' . $this->msg_queue);
+        msg_remove_queue($this->msg_queue);
+
         $this->logger->info('Stopping Sender with pid ' . getmypid());
     }
 
diff --git a/env.php.dist b/env.php.dist
index bfee5df..8f7091b 100644
--- a/env.php.dist
+++ b/env.php.dist
@@ -53,17 +53,16 @@
         ],
 
         //Phone messages types
-        'QUEUE_ID_PHONE_PREFIX' => ftok(__FILE__, 'p'),
-        'QUEUE_TYPE_SEND_MSG' => 1, 
-        'QUEUE_TYPE_RECEIVE_MSG' => 2, 
+        'QUEUE_ID_PHONE' => ftok(__FILE__, 'p'),
+        'QUEUE_TYPE_SEND_MSG_PREFIX' => 100, 
 
         //Queues ids
         'QUEUE_ID_WEBHOOK' => ftok(__FILE__, 'w'),
-        'QUEUE_TYPE_WEBHOOK' => 3,
+        'QUEUE_TYPE_WEBHOOK' => 100,
         
         //Queue email
         'QUEUE_ID_EMAIL' => ftok(__FILE__, 'e'),
-        'QUEUE_TYPE_EMAIL' => 3,
+        'QUEUE_TYPE_EMAIL' => 100,
 
         //User default settings
         'USER_DEFAULT_SETTINGS' => [