diff --git a/app/voicemails/app_config.php b/app/voicemails/app_config.php
index d894dcbdfb..e718141f9b 100644
--- a/app/voicemails/app_config.php
+++ b/app/voicemails/app_config.php
@@ -84,7 +84,7 @@
 		$apps[$x]['db'][$y]['fields'][$z]['key']['type'] = "primary";
 		$z++;
 		$apps[$x]['db'][$y]['fields'][$z]['name'] = "voicemail_id";
-		$apps[$x]['db'][$y]['fields'][$z]['type'] = "text";
+		$apps[$x]['db'][$y]['fields'][$z]['type'] = "numeric";
 		$apps[$x]['db'][$y]['fields'][$z]['description']['en-us'] = "Enter the voicemail id.";
 		$z++;
 		$apps[$x]['db'][$y]['fields'][$z]['name'] = "voicemail_password";
diff --git a/app/voicemails/voicemails.php b/app/voicemails/voicemails.php
index 0eaec3213a..2383c31834 100644
--- a/app/voicemails/voicemails.php
+++ b/app/voicemails/voicemails.php
@@ -116,10 +116,10 @@ else {
 //get the list
 	$sql = str_replace('count(*) as num_rows', '*', $sql);
 	if (strlen($order_by) > 0) {
-		$sql .= ($order_by == 'voicemail_id') ? "order by cast(voicemail_id as int) ".$order." " : "order by ".$order_by." ".$order." ";
+		$sql .= ($order_by == 'voicemail_id') ? "order by voicemail_id ".$order." " : "order by ".$order_by." ".$order." ";
 	}
 	else {
-		$sql .= "order by cast(voicemail_id as int) asc ";
+		$sql .= "order by voicemail_id asc ";
 	}
 	$sql .= "limit ".$rows_per_page." offset ".$offset." ";
 	$prep_statement = $db->prepare(check_sql($sql));