diff --git a/agent/agent.py b/agent/agent.py
index 5d8194d..c2dbf33 100644
--- a/agent/agent.py
+++ b/agent/agent.py
@@ -28,7 +28,9 @@ messages_queue = list()
 while True:
 	for gsm_object in gsm_modules:
 		messages = gsm_object.fetch_messages()
-		messages_queue.extend(messages)
+		if messages:
+			messages_queue.extend(messages)
+			messages = None
 
 	for message in messages_queue:
 		try:
diff --git a/agent/gsm/__init__.py b/agent/gsm/__init__.py
index b7ac94b..6d57c1c 100644
--- a/agent/gsm/__init__.py
+++ b/agent/gsm/__init__.py
@@ -1,28 +1,33 @@
 import logging
 import serial
+import time
+logging.basicConfig(level=logging.DEBUG)
 
 class Gsm:
     def __init__(self, port, msisdn, imei=None, pin=None):
         self.port = port
-        logging.info('Initializing G clsm cass for port ' + port)
+        logging.info('Initializing Gsm cass for port ' + port)
         try:
             self.console = serial.Serial(self.port, 112500, timeout=3)
         except:
             logging.error('Error connecting to ' + self.port)
         self.msisdn = msisdn
-        self.cmd("AT+CMGF=1")
+        #self.cmd("AT+CMGF=1")
+        logging.info('Connection established')
         self.status = self.check_status()
         self.unlock_sim(pin)
-        loggin.info("Current status: " + self.status)
+        logging.info("Current status: " + str(self.status))
         if imei is not None:
             r = self.set_imei(imei)
             if r:
                 self.imei = imei
-                loggin.info("IMEI Changed")
+                logging.info("IMEI Changed")
 
     def cmd(self, cmd):
+        cmd += "\r\n"
         self.console.write(cmd.encode("ascii"))
-        return list(map(lambda elem: elem.decode("ascii", errors="replace"), port.readlines()))
+        time.sleep(0.5)
+        return list(map(lambda elem: elem.decode("ascii", errors="replace"), self.console.readlines()))
 
     def check_status(self):
         r = self.cmd("ATI")
@@ -39,7 +44,7 @@ class Gsm:
         elif "+CPIN:SIM PIN" in status:
             auth = self.cmd('AT+CPIN="' + pin + '"')
             if "OK" in auth:
-                loggin.info("Pin correct")
+                logging.info("Pin correct")
                 return True
             else:
                 logging.error("Wrong PIN")