diff --git a/include/limesurvey/common.php b/include/limesurvey/common.php
index 8882664f..6ca8e8fd 100644
--- a/include/limesurvey/common.php
+++ b/include/limesurvey/common.php
@@ -6153,6 +6153,7 @@ function GetTokenConditionsFieldNames($surveyid)
     $basic_attrs[] = 'callattempts'; //queXS addition
     $basic_attrs[] = 'onappointment'; //queXS addition
     $basic_attrs[] = 'perccomplete'; //queXS addition
+    $basic_attrs[] = 'messagesleft'; //queXS addition
     return array_merge($basic_attrs,$extra_attrs);
 }
 
@@ -6174,6 +6175,7 @@ function GetTokenFieldsAndNames($surveyid, $onlyAttributes=false)
     $basic_attrs[] = 'callattempts'; //queXS addition
     $basic_attrs[] = 'onappointment'; //queXS addition
     $basic_attrs[] = 'perccomplete'; //queXS addition
+    $basic_attrs[] = 'messagesleft'; //queXS addition
     $basic_attrs_names=Array(
 			$clang->gT('First Name'),
 			$clang->gT('Last Name'),
@@ -6187,6 +6189,7 @@ function GetTokenFieldsAndNames($surveyid, $onlyAttributes=false)
     $basic_attrs_names[] = $clang->gT('queXS: Number of call attempts'); //queXS addition
     $basic_attrs_names[] = $clang->gT('queXS: On appointment?'); //queXS addition
     $basic_attrs_names[] = $clang->gT('queXS: Percentage complete'); //queXS addition
+    $basic_attrs_names[] = $clang->gT('queXS: Number of answering machine messages left'); //queXS addition
 
     $thissurvey=getSurveyInfo($surveyid);               
     $attdescriptiondata=!empty($thissurvey['attributedescriptions']) ? $thissurvey['attributedescriptions'] : "";
@@ -6239,7 +6242,7 @@ function GetAttributeValue($surveyid,$attrName,$token)
     $sanitized_token=$connect->qstr($token,get_magic_quotes_gpc());
     $surveyid=sanitize_int($surveyid);
 
-    if ($attrName == 'callattempts' || $attrName == 'onappointment' || $attrName == 'perccomplete') //queXS addition
+    if ($attrName == 'callattempts' || $attrName == 'onappointment' || $attrName == 'perccomplete' || $attrName == 'messagesleft') //queXS addition
     {
 	include_once("quexs.php");
 	$quexs_operator_id = get_operator_id();
@@ -6252,6 +6255,8 @@ function GetAttributeValue($surveyid,$attrName,$token)
 			return is_on_appointment($quexs_case_id,$quexs_operator_id);
 		else if ($attrName == 'perccomplete')
 			return get_percent_complete($quexs_case_id);
+		else if ($attrName == 'messagesleft')
+			return get_messages_left($quexs_case_id);
 	}
 	else
 		return 0;
diff --git a/include/limesurvey/quexs.php b/include/limesurvey/quexs.php
index f3926777..d8e31b2e 100644
--- a/include/limesurvey/quexs.php
+++ b/include/limesurvey/quexs.php
@@ -36,6 +36,39 @@
 require_once(dirname(__FILE__).'/../../config.inc.php');
 
 
+/**
+ * Get the number of answering messages left for this case
+ * 
+ * @param mixed $case_id 
+ * 
+ * @return number of answering messages left
+ * @author Adam Zammit <adam.zammit@acspri.org.au>
+ * @since  2010-10-18
+ */
+function get_messages_left($case_id)
+{
+	$db = newADOConnection(DB_TYPE);
+	$db->Connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
+	$db->SetFetchMode(ADODB_FETCH_ASSOC);
+
+
+	$sql = "SELECT count(*) as count 
+		FROM `call` 
+		WHERE case_id = '$case_id' 
+		AND outcome_id = '23'";
+
+	$r = $db->GetRow($sql);
+
+	if (!empty($r))
+	{	
+		return $r['count'];
+	}
+
+	return 0;
+}
+	
+
+
 /**
  * Return the percent complete a questionnaire is, or 0 if not started
  *