diff --git a/server/php/EnvayaSMS.php b/server/php/EnvayaSMS.php
index 5e7366e..301d484 100755
--- a/server/php/EnvayaSMS.php
+++ b/server/php/EnvayaSMS.php
@@ -11,6 +11,7 @@ class EnvayaSMS
     const ACTION_INCOMING = 'incoming';
     const ACTION_OUTGOING = 'outgoing';
     const ACTION_SEND_STATUS = 'send_status';
+    const ACTION_TEST = 'test';
 
     const STATUS_QUEUED = 'queued';
     const STATUS_FAILED = 'failed';
@@ -39,13 +40,22 @@ class EnvayaSMS
             static::$request = new EnvayaSMS_Request();
         }
         return static::$request;
-    }                
+    }                    
 }
 
 class EnvayaSMS_Request
 {   
     private $request_action;
     
+    public $version;
+    public $phone_number;
+
+    function __construct()
+    {
+        $this->version = $_POST['version'];
+        $this->phone_number = $_POST['phone_number'];
+    }
+    
     function get_action()
     {
         if (!$this->request_action)
@@ -65,15 +75,12 @@ class EnvayaSMS_Request
                 return new EnvayaSMS_Action_Outgoing($this);                
             case EnvayaSMS::ACTION_SEND_STATUS:
                 return new EnvayaSMS_Action_SendStatus($this);
+            case EnvayaSMS::ACTION_TEST:
+                return new EnvayaSMS_Action_Test($this);
             default:
                 return new EnvayaSMS_Action($this);
         }
-    }        
-    
-    function get_phone_number()
-    {
-        return @$_POST['phone_number'];
-    }        
+    }            
     
     function is_validated($correct_password)
     {
@@ -108,11 +115,26 @@ class EnvayaSMS_Request
         
         return base64_encode(sha1($input, true));            
     }
+    
+    static function get_messages_xml($messages)
+    {
+        ob_start();
+        echo "<?xml version='1.0' encoding='UTF-8'?>\n";
+        echo "<messages>";
+        foreach ($messages as $message)
+        {   
+            $id = isset($message->id) ? " id='".EnvayaSMS::escape($message->id)."'" : "";
+            $to = isset($message->to) ? " to='".EnvayaSMS::escape($message->to)."'" : "";        
+            echo "<sms$id$to>".EnvayaSMS::escape($message->message)."</sms>";
+        }
+        echo "</messages>";        
+        return ob_get_clean();    
+    }           
 }
 
 class EnvayaSMS_OutgoingMessage
 {
-    public $id = '';        // ID generated by server
+    public $id;             // ID generated by server
     public $to;             // destination phone number
     public $message;        // content of SMS message
 }
@@ -128,15 +150,6 @@ class EnvayaSMS_Action
     }
 }
 
-class EnvayaSMS_Action_Test extends EnvayaSMS_Action
-{    
-    function __construct($request)
-    {
-        parent::__construct($request);
-        $this->type = EnvayaSMS::ACTION_TEST;
-    }    
-}
-
 class EnvayaSMS_MMS_Part
 {
     public $form_name;  // name of form field with MMS part content
@@ -185,20 +198,12 @@ class EnvayaSMS_Action_Incoming extends EnvayaSMS_Action
                 $this->mms_parts[] = new EnvayaSMS_MMS_Part($mms_part);
             }
         }               
-    }
+    }    
     
     function get_response_xml($messages)
     {
-        ob_start();
-        echo "<?xml version='1.0' encoding='UTF-8'?>\n";
-        echo "<messages>";
-        foreach ($messages as $message)
-        {   
-            echo "<sms id='".EnvayaSMS::escape($message->id)."'>".EnvayaSMS::escape($message->message)."</sms>";
-        }
-        echo "</messages>";        
-        return ob_get_clean();
-    }
+        return $this->request->get_messages_xml($messages);
+    }    
 }
 
 class EnvayaSMS_Action_Outgoing extends EnvayaSMS_Action
@@ -207,20 +212,20 @@ class EnvayaSMS_Action_Outgoing extends EnvayaSMS_Action
     {
         parent::__construct($request);
         $this->type = EnvayaSMS::ACTION_OUTGOING;
-    }
+    }    
     
     function get_response_xml($messages)
     {
-        ob_start();
-        echo "<?xml version='1.0' encoding='UTF-8'?>\n";
-        echo "<messages>";
-        foreach ($messages as $message)
-        {   
-            echo "<sms id='".EnvayaSMS::escape($message->id)."' to='".EnvayaSMS::escape($message->to)."'>".
-                EnvayaSMS::escape($message->message)."</sms>";
-        }
-        echo "</messages>";        
-        return ob_get_clean();
+        return $this->request->get_messages_xml($messages);
+    }    
+}
+
+class EnvayaSMS_Action_Test extends EnvayaSMS_Action
+{    
+    function __construct($request)
+    {
+        parent::__construct($request);
+        $this->type = EnvayaSMS::ACTION_TEST;
     }
 }
 
diff --git a/server/php/example/www/index.php b/server/php/example/www/index.php
index a2cb0ff..ff3c80c 100755
--- a/server/php/example/www/index.php
+++ b/server/php/example/www/index.php
@@ -10,7 +10,7 @@ ini_set('display_errors','0');
 
 $request = EnvayaSMS::get_request();
 
-$phone_number = $request->get_phone_number();
+$phone_number = $request->phone_number;
 
 $password = @$PASSWORDS[$phone_number];
 
@@ -79,7 +79,9 @@ switch ($action->type)
             echo "invalid id";            
         }   
         return;
-        
+    case EnvayaSMS::ACTION_TEST:
+        echo "OK";
+        return;        
     default:
         header("HTTP/1.1 404 Not Found");
         echo "Invalid action";