diff --git a/sip_settings.phtml b/sip_settings.phtml
index 3167a21..7820afe 100644
--- a/sip_settings.phtml
+++ b/sip_settings.phtml
@@ -1,119 +1,119 @@
 <?php
 /**
  * Copyright (c) 2022 AG Projects
  * https://ag-projects.com
  *
  * This page provides functions for management of
  * SIP account settings on a remote NGNPro server
  *
  */
 
 Header('Content-Type: text/html; charset=utf-8');
 
 require '/etc/cdrtool/global.inc';
 require '/etc/cdrtool/ngnpro_engines.inc';
 require 'sip_settings.php';
 
 if ($_REQUEST['action'] == 'get_location') {
     $location = get_location($_SERVER['REMOTE_ADDR']);
     print $location;
     exit;
 }
 
 if (strlen($_REQUEST['reseller'] || strlen($_REQUEST['customer']))) {
     page_open(
         array(
             "sess" => "CDRTool_Session",
             "auth" => "CDRTool_Auth",
             "perm" => "CDRTool_Perm"
         )
     );
 
     $account     = $_REQUEST['account'];
     $reseller    = $_REQUEST['reseller'];
     $customer    = $_REQUEST['customer'];
     $sip_engine  = $_REQUEST['sip_engine'];
     if ($reseller && !$customer) {
         $customer = $reseller;
     } else if ($customer && !$reseller) {
         $reseller =  $customer;
     }
 
     $perm->check("provisioning");
 
     global $CDRTool;
 
     if ($CDRTool['impersonate']) {
         if (preg_match("/^([1-9][0-9]*)\.([1-9][0-9]*)$/", $CDRTool['impersonate'], $m)) {
             $_customer = $m[1];
             $_reseller = $m[2];
             if ($_customer == $_reseller) {
                 $login_type = 'reseller';
             } else {
                 $login_type = 'customer';
             }
 
             $login_credentials=array(
                 'customer'           => $_customer,
                 'reseller'           => $_reseller,
                 'login_type'         => $login_type
             );
         } else if ($CDRTool['impersonate'] == '0' || $CDRTool['impersonate'] = '0.0') {
             $login_credentials = array(
                 'customer'           => $customer,
                 'reseller'           => $reseller,
                 'login_type'         => 'admin'
             );
         } else {
             page_close();
             printf("Error: Invalid impersonate value %s", $CDRTool['impersonate']);
             exit;
         }
     } else {
         page_close();
         printf("Error: Missing impersonate setting");
         exit;
     }
 } else {
     page_open(
         array(
             "sess" => "SIP_Subscriber_Session",
             "auth" => "SIP_Subscriber_Auth"
         )
     );
     $account    = $SIP['account'];
     $reseller   = $SIP['reseller'];
     $customer   = $SIP['customer'];
     $sip_engine = $SIP['engine'];
     $login_type = "subscriber";
 
     $login_credentials=array(
         'login_type' => $login_type,
         'customer'   => $customer,
         'reseller'   => $reseller,
         'sip_engine' => $sip_engine
     );
 }
 
 
 $_class = 'SipSettings';
 $_reseller_class = $_class.$reseller;
 
 if (class_exists($_reseller_class)) {
     $SipSettings_class = $_reseller_class;
 } else {
     $SipSettings_class = $_class;
 }
 
 if ($resellerFilters[$login_credentials['reseller']]['sip_engine']) {
     $login_credentials['sip_engine'] = $resellerFilters[$login_credentials['reseller']]['sip_engine'];
-} else if ($_REQUEST['sip_engine']) {
+} elseif ($_REQUEST['sip_engine']) {
     $login_credentials['sip_engine'] = $_REQUEST['sip_engine'];
-} else if ($resellerFilters['default']['sip_engine']) {
+} elseif ($resellerFilters['default']['sip_engine']) {
     $login_credentials['sip_engine'] = $resellerFilters['default']['sip_engine'];
 }
 
 renderUI($SipSettings_class, $account, $login_credentials, $soapEngines);
 
 page_close();
 ?>