diff --git a/Layout/default/Contractconfiggroup/Index.php b/Layout/default/Contractconfiggroup/Index.php
index f965c1658..4ffbe24c3 100644
--- a/Layout/default/Contractconfiggroup/Index.php
+++ b/Layout/default/Contractconfiggroup/Index.php
@@ -116,8 +116,8 @@
                             
                             <div class="col-md-4">
                               <div class="form-group text-center">
-                                <label for="item_<?=$item->id?>_multiple">Mehrfach eintragbar</label>
-                                <input type="checkbox" class="form-control" id="item_<?=$item->id?>_multiple" name="multiple" value="1" <?=($item->multiple) ? "checked='checked'" : ""?> />
+                                <label for="item_new_<?=$item->id?>_multiple">Mehrfach eintragbar</label>
+                                <input type="checkbox" class="form-control" id="item_new_<?=$item->id?>_multiple" name="multiple" value="1" />
                               </div>
                             </div>
                           </div>
diff --git a/application/Contractconfig/hooks/Voicenumberblock.php b/application/Contractconfig/hooks/Voicenumberblock.php
index 4f96a6fc1..ee55f2c0f 100644
--- a/application/Contractconfig/hooks/Voicenumberblock.php
+++ b/application/Contractconfig/hooks/Voicenumberblock.php
@@ -2,6 +2,9 @@
 
 require_once __DIR__."/Contractconfig_Hook.php";
 
+/*
+ * Contractconfig Hooks for 
+ */
 class Contractconfig_Hook_Voicenumberblock extends Contractconfig_Hook {
   protected $required_product_attributes = ["needs_number"];
   private $voip_routing;
@@ -30,17 +33,23 @@ class Contractconfig_Hook_Voicenumberblock extends Contractconfig_Hook {
     
     
     // get voip routing for number
+    $this->getVoipRouting();
+    
+  }
+  
+  private function getVoipRouting() {
     if(is_array($this->contract->configvalues)) {
       // look in contract config
       if(array_key_exists("voip_routing",$this->contract->configvalues) && $this->contract->configvalues['voip_routing']->value->string) {
         $this->voip_routing = $this->contract->configvalues['voip_routing']->value->string;
       } else {
         // else take first value (default)
-        $typedata = $this->voip_routing = $this->contract->configvalues['voip_routing']->getTypedataArray();
+        $typedata = $this->contract->configvalues['voip_routing']->getTypedataArray();
         $this->voip_routing = $typedata[0];
       }
     }
     
+    return $this->voip_routing;
   }
   
   public function beforeSave() {
@@ -49,6 +58,8 @@ class Contractconfig_Hook_Voicenumberblock extends Contractconfig_Hook {
   
   public function afterSave() {
     $this->checkNewNumbers();
+    // load voip routing again, in case it changed with the same config update
+    $this->getVoipRouting();
     
     if(count($this->errors["voicenumberblock_voicenumber"])) {
       return false;