diff --git a/inc/inventorynetworkequipmentlib.class.php b/inc/inventorynetworkequipmentlib.class.php
index 7e0a000079..4c3db4a20d 100644
--- a/inc/inventorynetworkequipmentlib.class.php
+++ b/inc/inventorynetworkequipmentlib.class.php
@@ -514,11 +514,11 @@ function importConnectionMac($a_portconnection, $networkports_id) {
 
       // Try detect phone + computer on this port
       if (count($list_all_ports_found) == 2) {
+         $phonecase = 0;
+         $macNotPhone_id = 0;
+         $phonePort_id = 0;
          foreach ($this->found_ports as $itemtype => $ids) {
-            $phonecase = 0;
-            $macNotPhone_id = 0;
-            $phonePort_id = 0;
-            if ($itemtype == "phone") {
+            if ($itemtype == "Phone") {
                // Connect phone on switch port and other (computer..) in this phone
                foreach ($ids as $items_id) {
                   $phonePort_id = current($items_id);
@@ -531,8 +531,18 @@ function importConnectionMac($a_portconnection, $networkports_id) {
             }
          }
          if ($phonecase == 1) {
-            $wire->add(['networkports_id_1'=> $networkports_id,
+            $opposite_id = $wire->getOppositeContact($networkports_id);
+            if (isset($opposite_id)) {
+                    if ($opposite_id != $phonePort_id) {
+                          $pfNetworkPort->disconnectDB($networkports_id); // disconnect this port
+                          $pfNetworkPort->disconnectDB($phonePort_id); // disconnect this port
+                            $wire->add(['networkports_id_1'=> $networkports_id,
+                                     'networkports_id_2' => $phonePort_id]);
+                    }
+            } else {
+                    $wire->add(['networkports_id_1'=> $networkports_id,
                              'networkports_id_2' => $phonePort_id]);
+            }
             $networkPort->getFromDB($phonePort_id);
             $portLink_id = 0;
             if ($networkPort->fields['name'] == 'Link') {
@@ -561,11 +571,15 @@ function importConnectionMac($a_portconnection, $networkports_id) {
                }
             }
             $opposite_id = false;
-            if ($opposite_id == $wire->getOppositeContact($portLink_id)) {
+            if ($opposite_id = $wire->getOppositeContact($portLink_id)) {
                if ($opposite_id != $macNotPhone_id) {
                   $pfNetworkPort->disconnectDB($portLink_id); // disconnect this port
                   $pfNetworkPort->disconnectDB($macNotPhone_id); // disconnect destination port
+               } else { // yet connected
+                return;
                }
+            } else {
+               $pfNetworkPort->disconnectDB($macNotPhone_id); // disconnect destination port
             }
             $wire->add([
                'networkports_id_1'=> $portLink_id,