diff --git a/main/auth/profile.php b/main/auth/profile.php
index 52f1fccb93..0a969b124a 100755
--- a/main/auth/profile.php
+++ b/main/auth/profile.php
@@ -301,7 +301,6 @@ if (is_profile_editable()) {
 } else {
     $form->freeze();
 }
-
 $user_data = array_merge($user_data, $extra_data);
 $form->setDefaults($user_data);
 
diff --git a/main/inc/lib/extra_field.lib.php b/main/inc/lib/extra_field.lib.php
index e97011f348..9d927290ca 100755
--- a/main/inc/lib/extra_field.lib.php
+++ b/main/inc/lib/extra_field.lib.php
@@ -51,6 +51,7 @@ class ExtraField extends Model
     const FIELD_TYPE_TIMEZONE        = 11;
     const FIELD_TYPE_SOCIAL_PROFILE  = 12;
     const FIELD_TYPE_CHECKBOX        = 13;
+    const FIELD_TYPE_TELEPHONE       = 14;
 
     public $type = 'user'; //or session or course
     public $handler_id = 'user_id';
@@ -204,6 +205,7 @@ class ExtraField extends Model
         $types[self::FIELD_TYPE_TAG]             = get_lang('FieldTypeTag');
         $types[self::FIELD_TYPE_TIMEZONE]        = get_lang('FieldTypeTimezone');
         $types[self::FIELD_TYPE_SOCIAL_PROFILE]  = get_lang('FieldTypeSocialProfile');
+        $types[self::FIELD_TYPE_TELEPHONE]       = get_lang('FieldTypeTelephone');
 
         switch ($handler) {
             case 'course':
@@ -1036,6 +1038,21 @@ EOF;
                             $form->freeze('extra_'.$field_details['field_variable']);
                         }
                         break;
+                    case ExtraField::FIELD_TYPE_TELEPHONE:
+                        $form->addElement(
+                            'text', 
+                            'extra_'.$field_details['field_variable'], 
+                            $field_details['field_display_text'],
+                            array('placeholder'  => '(xx)xxxxxxxxx')
+                        );
+                        $form->applyFilter('extra_'.$field_details['field_variable'], 'stripslashes');
+                        $form->applyFilter('extra_'.$field_details['field_variable'], 'trim');
+                        $form->applyFilter('extra_'.$field_details['field_variable'], 'telephone');
+                        $form->addRule('extra_'.$field_details[1], get_lang('TelephoneNumberIsWrong'), 'telephone');
+                        if ($field_details['field_visible'] == 0) {
+                            $form->freeze('extra_'.$field_details['field_variable']);
+                        }
+                        break;
                 }
             }
         }
diff --git a/main/inc/lib/formvalidator/FormValidator.class.php b/main/inc/lib/formvalidator/FormValidator.class.php
index ba44e940c2..3cd4131dcc 100755
--- a/main/inc/lib/formvalidator/FormValidator.class.php
+++ b/main/inc/lib/formvalidator/FormValidator.class.php
@@ -150,6 +150,7 @@ class FormValidator extends HTML_QuickForm
         $this->registerRule('filetype', null, 'HTML_QuickForm_Rule_Filetype', $dir . 'Rule/Filetype.php');
         $this->registerRule('multiple_required', 'required', 'HTML_QuickForm_Rule_MultipleRequired', $dir . 'Rule/MultipleRequired.php');
         $this->registerRule('url', null, 'HTML_QuickForm_Rule_Url', $dir . 'Rule/Url.php');
+        $this->registerRule('telephone', null, 'HTML_QuickForm_Rule_Telephone', $dir . 'Rule/Telephone.php');
         $this->registerRule('compare_fields', null, 'HTML_QuickForm_Compare_Fields', $dir . 'Rule/CompareFields.php');
         $this->registerRule('CAPTCHA', 'rule', 'HTML_QuickForm_Rule_CAPTCHA', 'HTML/QuickForm/Rule/CAPTCHA.php');
 
@@ -638,3 +639,17 @@ function html_filter_student_fullpage($html)
 {
     return html_filter($html, STUDENT_HTML_FULLPAGE);
 }
+
+/**
+ * Cleans telephone text
+ * @param string $telephone     Telephone number to clean
+ * @return string               The cleaned telephone number
+ */
+function telephone_filter($telephone)
+{
+    $telephone= trim ($telephone,'(');
+    $telephone= trim ($telephone,')');
+    $telephone= ltrim ($telephone,'+');    
+    $telephone= ltrim ($telephone,'0');
+    return $telephone;
+}
\ No newline at end of file
diff --git a/main/inc/lib/usermanager.lib.php b/main/inc/lib/usermanager.lib.php
index ca22cae77f..725dbf55ba 100755
--- a/main/inc/lib/usermanager.lib.php
+++ b/main/inc/lib/usermanager.lib.php
@@ -30,6 +30,7 @@ class UserManager
     const USER_FIELD_TYPE_TIMEZONE = 11;
     const USER_FIELD_TYPE_SOCIAL_PROFILE = 12;
     const USER_FIELD_TYPE_FILE = 13;
+    const USER_FIELD_TYPE_TELEPHONE  = 14;
 
     /**
      * The default constructor only instanciates an empty user object
@@ -4556,6 +4557,20 @@ EOF;
                         $form->freeze($extra_field);
                     }
                     break;
+
+                case self::USER_FIELD_TYPE_TELEPHONE:
+                    $form->addElement('text', 'extra_'.$field_details[1], $field_details[3]." (".get_lang('TelephonePrefix').")", 
+                        array('size' => 40, 'placeholder'  => '(xx)xxxxxxxxx'));
+                    $form->applyFilter('extra_'.$field_details[1], 'stripslashes');
+                    $form->applyFilter('extra_'.$field_details[1], 'trim');
+                    $form->applyFilter('extra_'.$field_details[1], 'telephone_filter');
+                    $form->addRule('extra_'.$field_details[1], get_lang('TelephoneNumberIsWrong'), 'telephone');
+                    if (!$admin_permissions) {
+                        if ($field_details[7] == 0) {
+                            $form->freeze('extra_'.$field_details[1]);
+                        }
+                    }                 
+                    break;
             }
         }
         $return = array();
@@ -4582,6 +4597,7 @@ EOF;
         $types[self::USER_FIELD_TYPE_TIMEZONE] = get_lang('FieldTypeTimezone');
         $types[self::USER_FIELD_TYPE_SOCIAL_PROFILE] = get_lang('FieldTypeSocialProfile');
         $types[self::USER_FIELD_TYPE_FILE] = get_lang('FieldTypeFile');
+        $types[self::USER_FIELD_TYPE_TELEPHONE] = get_lang('FieldTypeTelephone');
 
         return $types;
     }