diff --git a/CHANGELOG b/CHANGELOG
index b84fbc69..d51dc247 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,9 @@
+queXS 1.11.0 - Changes since 1.10.4
+
+
+ALTER TABLE `questionnaire_sample` ADD `allow_new` TINYINT( 1 ) NOT NULL DEFAULT '1';
+
+
 queXS 1.10.4 - Changes since 1.10.3
 
 Fixed bug: Quota priority could get below 0
diff --git a/admin/assignsample.php b/admin/assignsample.php
index 1e84d2a4..1369f11c 100644
--- a/admin/assignsample.php
+++ b/admin/assignsample.php
@@ -69,10 +69,11 @@ if (isset($_GET['questionnaire_id']) && isset($_GET['sample'])  && isset($_GET['
 	$am = bigintval($_GET['answering_machine_messages']);
 	$selecttype = 0;
 	if (isset($_GET['selecttype'])) $selecttype = 1;
+	$an = 0;
+	if (isset($_GET['allownew'])) $an = 1;
 
-
-	$sql = "INSERT INTO questionnaire_sample(questionnaire_id,sample_import_id,call_max,call_attempt_max,random_select,answering_machine_messages)
-		VALUES('$questionnaire_id','$sid','$cm','$cam','$selecttype','$am')";
+	$sql = "INSERT INTO questionnaire_sample(questionnaire_id,sample_import_id,call_max,call_attempt_max,random_select,answering_machine_messages,allow_new)
+		VALUES('$questionnaire_id','$sid','$cm','$cam','$selecttype','$am', '$an')";
 
 	$db->Execute($sql);
 
@@ -89,13 +90,17 @@ if (isset($_POST['edit']))
 	$am = bigintval($_POST['answering_machine_messages']);
 	$selecttype = 0;
 	if (isset($_POST['selecttype'])) $selecttype = 1;
+	$an = 0;
+	if (isset($_POST['allownew'])) $an = 1;
+
 
 
 	$sql = "UPDATE questionnaire_sample
 		SET call_max = '$cm',
 		call_attempt_max = '$cam',
 		random_select = '$selecttype',
-		answering_machine_messages = '$am'
+    answering_machine_messages = '$am',
+    allow_new = '$an'
 		WHERE questionnaire_id = '$questionnaire_id'
 		AND sample_import_id = '$sid'";
 
@@ -119,7 +124,8 @@ if (isset($_GET['questionnaire_id']) && isset($_GET['rsid']))
 				q.call_max,
 				q.call_attempt_max,
 				q.random_select,
-				q.answering_machine_messages
+        q.answering_machine_messages,
+        q.allow_new
 			FROM questionnaire_sample as q, sample_import as si, questionnaire as qr
 			WHERE q.sample_import_id = si.sample_import_id
 			AND q.questionnaire_id = '$questionnaire_id'
@@ -134,9 +140,11 @@ if (isset($_GET['questionnaire_id']) && isset($_GET['rsid']))
 
 		print "<p><a href='?questionnaire_id=$questionnaire_id'>" . T_("Go back") . "</a></p>";
 
-		$selected ="";
+		$allownew = $selected ="";
 		if ($qs['random_select'] == 1)
 			$selected = "checked=\"checked\"";
+		if ($qs['allow_new'] == 1)
+			$allownew = "checked=\"checked\"";
 
 		?>
 		<form action="?questionnaire_id=<?php echo $questionnaire_id;?>" method="post">
@@ -144,6 +152,7 @@ if (isset($_GET['questionnaire_id']) && isset($_GET['rsid']))
 		<label for="call_attempt_max"><?php  echo T_("Max call attempts (0 for unlimited)"); ?></label><input type="text" name="call_attempt_max" id="call_attempt_max" value="<?php echo $qs['call_attempt_max'];?>"/>		<br/>
 		<label for="answering_machine_messages"><?php  echo T_("Number of answering machine messages to leave per case (0 for never)"); ?></label><input type="text" name="answering_machine_messages" id="answering_machine_messages" value="<?php echo $qs['answering_machine_messages'];?>"/>		<br/>
 		<label for="selecttype"><?php  echo T_("Select from sample randomly? (otherwise sequentially)"); ?></label><input type="checkbox" id = "selecttype" name="selecttype" <?php echo $selected;?> />		<br/>
+		<label for="allownew"><?php  echo T_("Allow new numbers to be drawn?"); ?></label><input type="checkbox" id = "allownew" name="allownew" <?php echo $allownew;?> />		<br/>
 		<input type="hidden" name="questionnaire_id" value="<?php  print($questionnaire_id); ?>"/>
 		<input type="hidden" name="sample_import_id" value="<?php  print($sid); ?>"/>
 		<input type="submit" name="edit" value="<?php echo T_("Edit"); ?>"/></p>
@@ -181,6 +190,7 @@ if ($questionnaire_id != false)
 			CASE WHEN q.call_attempt_max = 0 THEN '" . TQ_("Unlimited") . "' ELSE q.call_attempt_max END AS call_attempt_max,
 			CASE WHEN q.random_select = 0 THEN '" . TQ_("Sequential") . "' ELSE '". TQ_("Random") . "' END as random_select,
 			CASE WHEN q.answering_machine_messages = 0 THEN '" . TQ_("Never") . "' ELSE q.answering_machine_messages END as answering_machine_messages,
+			CASE WHEN q.allow_new = 0 THEN '" . TQ_("No") . "' ELSE '".TQ_("Yes")."' END as allow_new,
 			CONCAT('<a href=\"?edit=edit&amp;questionnaire_id=$questionnaire_id&amp;rsid=', si.sample_import_id ,'\">"  . TQ_("Edit") ."</a>') as edit,
 			CONCAT('<a href=\"?questionnaire_id=$questionnaire_id&amp;rsid=', si.sample_import_id ,'\">"  . TQ_("Click to unassign") ."</a>') as unassign
 		FROM questionnaire_sample as q, sample_import as si
@@ -190,7 +200,7 @@ if ($questionnaire_id != false)
 	$qs = $db->GetAll($sql);
 
 	if (!empty($qs))
-		xhtml_table($qs,array("description","call_max","call_attempt_max","answering_machine_messages","random_select","edit","unassign"),array(T_("Sample"), T_("Max calls"), T_("Max call attempts"), T_("Answering machine messages"), T_("Selection type"), T_("Edit"), T_("Unassign sample") ));
+		xhtml_table($qs,array("description","call_max","call_attempt_max","answering_machine_messages","random_select","allow_new","edit","unassign"),array(T_("Sample"), T_("Max calls"), T_("Max call attempts"), T_("Answering machine messages"), T_("Selection type"), T_("Allow new numbers to be drawn?"), T_("Edit"), T_("Unassign sample") ));
 	else
 		print "<p>" . T_("No samples selected for this questionnaire") . "</p>";
 
@@ -223,6 +233,7 @@ if ($questionnaire_id != false)
 		<label for="call_attempt_max"><?php  echo T_("Max call attempts (0 for unlimited)"); ?></label><input type="text" name="call_attempt_max" id="call_attempt_max" value="0"/>		<br/>
 		<label for="answering_machine_messages"><?php  echo T_("Number of answering machine messages to leave per case (0 for never)"); ?></label><input type="text" name="answering_machine_messages" id="answering_machine_messages" value="1"/>		<br/>
 		<label for="selecttype"><?php  echo T_("Select from sample randomly? (otherwise sequentially)"); ?></label><input type="checkbox" id = "selecttype" name="selecttype" />		<br/>
+		<label for="allownew"><?php  echo T_("Allow new numbers to be drawn?"); ?></label><input type="checkbox" id = "allownew" name="allownew" checked="checked" />		<br/>
 		<input type="hidden" name="questionnaire_id" value="<?php  print($questionnaire_id); ?>"/>
 		<input type="submit" name="add_sample" value="<?php echo T_("Add sample");?>"/></p>
 		</form>
diff --git a/database/quexs.sql b/database/quexs.sql
index bf50273b..011725b6 100644
--- a/database/quexs.sql
+++ b/database/quexs.sql
@@ -1447,6 +1447,7 @@ CREATE TABLE `questionnaire_sample` (
   `call_attempt_max` int(11) NOT NULL default '0',
   `random_select` tinyint(1) NOT NULL default '0',
   `answering_machine_messages` int(11) NOT NULL default '1',
+  `allow_new` TINYINT( 1 ) NOT NULL DEFAULT '1',
   PRIMARY KEY  (`questionnaire_id`,`sample_import_id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
 
diff --git a/functions/functions.operator.php b/functions/functions.operator.php
index c9f57024..9afbc7e1 100644
--- a/functions/functions.operator.php
+++ b/functions/functions.operator.php
@@ -681,7 +681,7 @@ function get_case_id($operator_id, $create = false)
 				  
 					$sql = "SELECT s.sample_id as sample_id,c.case_id as case_id,qs.questionnaire_id as questionnaire_id,CONVERT_TZ(NOW(), 'System' , s.Time_zone_name) as resptime, q.testing as testing
 						FROM sample as s
-						JOIN (questionnaire_sample as qs, operator_questionnaire as o, questionnaire as q, operator as op, sample_import as si, operator_skill as os) on (op.operator_id = '$operator_id' and qs.sample_import_id = s.import_id and o.operator_id = op.operator_id and o.questionnaire_id = qs.questionnaire_id and q.questionnaire_id = o.questionnaire_id and si.sample_import_id = s.import_id and os.operator_id = op.operator_id and os.outcome_type_id = 1 and q.enabled = 1)
+						JOIN (questionnaire_sample as qs, operator_questionnaire as o, questionnaire as q, operator as op, sample_import as si, operator_skill as os) on (op.operator_id = '$operator_id' and qs.sample_import_id = s.import_id and o.operator_id = op.operator_id and o.questionnaire_id = qs.questionnaire_id and q.questionnaire_id = o.questionnaire_id and si.sample_import_id = s.import_id and os.operator_id = op.operator_id and os.outcome_type_id = 1 and q.enabled = 1 and qs.allow_new = 1)
 						LEFT JOIN `case` as c on (c.sample_id = s.sample_id and c.questionnaire_id = qs.questionnaire_id)
 						LEFT JOIN call_restrict as cr on (cr.day_of_week = DAYOFWEEK(CONVERT_TZ(NOW(), 'System' , s.Time_zone_name)) and TIME(CONVERT_TZ(NOW(), 'System' , s.Time_zone_name)) >= cr.start and TIME(CONVERT_TZ(NOW(), 'System' , s.Time_zone_name)) <= cr.end)
 						LEFT JOIN shift as sh on (sh.questionnaire_id = q.questionnaire_id and (CONVERT_TZ(NOW(),'System','UTC') >= sh.start) AND (CONVERT_TZ(NOW(),'System','UTC') <= sh.end))