diff --git a/application/Contractconfig/hooks/Voicenumberblock.php b/application/Contractconfig/hooks/Voicenumberblock.php
index c7ae23974..e12e00726 100644
--- a/application/Contractconfig/hooks/Voicenumberblock.php
+++ b/application/Contractconfig/hooks/Voicenumberblock.php
@@ -10,6 +10,7 @@ class Contractconfig_Hook_Voicenumberblock extends Contractconfig_Hook {
   private $voip_routing;
   
   private $create_numbers = [];
+  private $update_numbers = [];
   /*
    * Checks to determine if class needs to work on contract.
    */
@@ -53,10 +54,12 @@ class Contractconfig_Hook_Voicenumberblock extends Contractconfig_Hook {
   }
   
   public function beforeSave() {
+    // checking before save, to return errors before saving anything
     return $this->checkNewNumbers();
   }
   
   public function afterSave() {
+    // checking again, just to be sure
     $this->checkNewNumbers();
     // load voip routing again, in case it changed with the same config update
     $this->getVoipRouting();
@@ -64,7 +67,7 @@ class Contractconfig_Hook_Voicenumberblock extends Contractconfig_Hook {
     if(count($this->errors["voicenumberblock_voicenumber"])) {
       return false;
     }
-    
+
     foreach($this->create_numbers as $voicenumberblock_id => $numbers) {
       foreach($numbers as $number){
         $voicenumber = VoicenumberModel::getFirst(['number' => $number]);
@@ -89,6 +92,22 @@ class Contractconfig_Hook_Voicenumberblock extends Contractconfig_Hook {
         }
       }
     }
+
+    foreach($this->update_numbers as $number) {
+        $voicenumber = VoicenumberModel::getFirst(['number' => $number]);
+        $this->log->debug("creating voicenumber $number in block $voicenumberblock_id");
+        $voicenumber->update([
+            "contract_id" => $this->contract->id,
+            'active' => 1,
+            'activated_date' => date('U'),
+            'routing' => $this->voip_routing,
+            'disabled' => 0
+        ]);
+        if(!$voicenumber->save()) {
+            $this->errors["voicenumberblock_voicenumber"][] = "Error saving existing number $number";
+        }
+
+    }
     
     if(count($this->errors["voicenumberblock_voicenumber"])) {
       return false;
@@ -162,6 +181,9 @@ class Contractconfig_Hook_Voicenumberblock extends Contractconfig_Hook {
             $this->errors["voicenumberblock_voicenumber"][] = "Ungültige Rufnummer $number: Rufnummer wurde rausportiert ".$voicenumber->contract_id;
             continue;
           }
+
+          $this->update_numbers[] = $number;
+
         } else {
           if(!array_key_exists($voicenumberblock->id, $this->create_numbers)) {
             $this->create_numbers[$voicenumberblock->id] = [];