diff --git a/app/code/community/Netresearch/OPS/Model/Api/Directlink.php b/app/code/community/Netresearch/OPS/Model/Api/Directlink.php
index c9ef171..43e4dee 100644
--- a/app/code/community/Netresearch/OPS/Model/Api/Directlink.php
+++ b/app/code/community/Netresearch/OPS/Model/Api/Directlink.php
@@ -37,10 +37,11 @@ class Netresearch_OPS_Model_Api_DirectLink extends Mage_Core_Model_Abstract
      *
      * @param array $params
      * @param string $url
+     * @param string $proxy
      *
      * @return mixed
      */
-    public function call($params, $url)
+    public function call($params, $url, $proxy = '')
     {
         try {
             $http = new Varien_Http_Adapter_Curl();
@@ -49,6 +50,9 @@ public function call($params, $url)
                 'verifypeer' => 1,
                 'verifyhost' => 2,
             );
+            if ($proxy !== '') {
+                $config['proxy'] = $proxy;
+            }
             $http->setConfig($config);
             $http->write(Zend_Http_Client::POST, $url, '1.1', array(), http_build_query($params));
             $response = $http->read();
@@ -84,7 +88,7 @@ public function performRequest($requestParams, $url, $storeId = 0)
             null,
             $storeId
         );
-        $responseParams = $this->getResponseParams($params, $url);
+        $responseParams = $this->getResponseParams($params, $url, 0, $this->getConfig()->getDirectLinkProxy());
         $helper->log(
             $helper->__(
                 "Direct Link Request/Response in Ingenico ePayments (Ogone) \n\nRequest: %s\nResponse: %s\nMagento-URL: %s\nAPI-URL: %s",
@@ -116,17 +120,18 @@ public function getEncodedParametersWithHash($params, $shaCode = null, $storeId)
      * @param array $params - request params
      * @param string $url - the url for the request
      * @param int $retryCount - current request count
+     * @param string $proxy - proxy for direct link calls
      * @return array | null - null if requests were not successful, array containing Ingenico ePayments (Ogone) payment data otherwise
      * @throws Mage_Core_Exception
      *
      */
-    protected function getResponseParams($params, $url, $retryCount = 0)
+    protected function getResponseParams($params, $url, $retryCount = 0, $proxy = '')
     {
         $responseParams = null;
         $responseXml = null;
         if ($retryCount < self::MAX_RETRY_COUNT) {
             try {
-                $responseXml = $this->call($params, $url);
+                $responseXml = $this->call($params, $url, $proxy);
                 $responseParams = $this->getParamArrFromXmlString($responseXml);
             } catch (Exception $e) {
                 try {
@@ -150,7 +155,7 @@ protected function getResponseParams($params, $url, $retryCount = 0)
                             $responseXml
                         )
                     );
-                    $responseParams = $this->getResponseParams($params, $url, ++$retryCount);
+                    $responseParams = $this->getResponseParams($params, $url, ++$retryCount, $proxy);
                 }
             }
         } else {
@@ -237,4 +242,12 @@ public function checkResponse($responseParams)
             );
         }
     }
+
+    /**
+     * @return Netresearch_OPS_Model_Config
+     */
+    protected function getConfig()
+    {
+        return Mage::getModel('ops/config');
+    }
 }
diff --git a/app/code/community/Netresearch/OPS/Model/Config.php b/app/code/community/Netresearch/OPS/Model/Config.php
index 561e3b9..a45aa9f 100644
--- a/app/code/community/Netresearch/OPS/Model/Config.php
+++ b/app/code/community/Netresearch/OPS/Model/Config.php
@@ -700,6 +700,17 @@ public function getDirectLinkMaintenanceApiPath($storeId = null)
         return $this->determineOpsUrl('directlink_maintenance_api', $storeId);
     }
 
+    /**
+     * returns the proxy (if set in config) for the maintenance api calls
+     *
+     * @param null $storeId
+     *
+     * @return string - the proxy for the maintenance api calls
+     */
+    public function getDirectLinkProxy($storeId = null)
+    {
+        return $this->getConfigData('directlink_proxy', $storeId);
+    }
     /**
      * getter for the iDeal issuers
      *
diff --git a/app/code/community/Netresearch/OPS/etc/config.xml b/app/code/community/Netresearch/OPS/etc/config.xml
index ebff592..513f404 100644
--- a/app/code/community/Netresearch/OPS/etc/config.xml
+++ b/app/code/community/Netresearch/OPS/etc/config.xml
@@ -334,6 +334,7 @@
                 <directlink_gateway>https://secure.ogone.com/ncol/test/maintenancedirect.asp</directlink_gateway>
                 <directlink_gateway_order>https://secure.ogone.com/ncol/test/orderdirect.asp</directlink_gateway_order>
                 <directlink_maintenance_api>https://secure.ogone.com/ncol/test/querydirect.asp</directlink_maintenance_api>
+                <directlink_proxy></directlink_proxy>
                 <ops_alias_gateway_test>https://ogone.test.v-psp.com/Tokenization/HostedPage</ops_alias_gateway_test>
                 <showcatalogbutton>1</showcatalogbutton>
                 <showhomebutton>1</showhomebutton>
diff --git a/app/code/community/Netresearch/OPS/etc/system.xml b/app/code/community/Netresearch/OPS/etc/system.xml
index 65051cc..bf6f39a 100644
--- a/app/code/community/Netresearch/OPS/etc/system.xml
+++ b/app/code/community/Netresearch/OPS/etc/system.xml
@@ -175,6 +175,15 @@
                             <show_in_store>1</show_in_store>
                             <depends><mode>custom</mode></depends>
                         </directlink_maintenance_api>
+                        <directlink_proxy translate="label comment">
+                            <label>DirectLink Proxy URL</label>
+                            <frontend_type>text</frontend_type>
+                            <comment><![CDATA[If your server is behind a proxy, then enter the URL here: e.g. http://x.y.z.x:8080/]]></comment>
+                            <sort_order>75</sort_order>
+                            <show_in_default>1</show_in_default>
+                            <show_in_website>1</show_in_website>
+                            <show_in_store>1</show_in_store>
+                        </directlink_proxy>
                         <api_userid translate="label tooltip">
                             <label>API User</label>
                             <tooltip><![CDATA[Special user for API must be created in the Ingenico ePayments (Ogone) backend in section <em>Users</em>.]]></tooltip>