diff --git a/htdocs/telephonie/script/tools/correction-tarifs-clients.php b/htdocs/telephonie/script/tools/correction-tarifs-clients.php
new file mode 100644
index 00000000000..53ed744f80e
--- /dev/null
+++ b/htdocs/telephonie/script/tools/correction-tarifs-clients.php
@@ -0,0 +1,110 @@
+<?PHP
+/* Copyright (C) 2005 Rodolphe Quiedeville <rodolphe@quiedeville.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * $Id$
+ * $Source$
+ *
+ *
+ * Ce script se veut plus un squelette pour effectuer des opérations sur la base
+ * qu'un réel scrip de production.
+ *
+ * Recalcul le montant d'une facture lors d'une erreur de tarif
+ *
+ */
+
+require ("../../../master.inc.php");
+
+require_once (DOL_DOCUMENT_ROOT."/societe.class.php");
+require_once (DOL_DOCUMENT_ROOT."/telephonie/lignetel.class.php");
+require_once (DOL_DOCUMENT_ROOT."/telephonie/facturetel.class.php");
+require_once (DOL_DOCUMENT_ROOT."/telephonie/telephonie-tarif.class.php");
+require_once (DOL_DOCUMENT_ROOT."/telephonie/communication.class.php");
+
+$tarifs = array(1290,1291,1292);
+$corrections = array();
+
+$corrections[1290] = array();
+$corrections[1291] = array();
+$corrections[1292] = array();
+
+$clients = array();
+
+$sql = "SELECT fk_client FROM ".MAIN_DB_PREFIX."telephonie_tarif_client";
+$sql .= " WHERE fk_tarif = 1289";
+
+$resql = $db->query($sql);
+  
+if ( $resql )
+{
+  $num = $db->num_rows($resql);
+  $i = 0;
+
+  print "$num clients trouvés\n";
+
+  while ($i < $num)
+    {
+      $row = $db->fetch_row($resql);
+
+      array_push($clients, $row[0]);
+      $i++;
+    }
+  $db->free($resql);
+}
+else
+{
+  $error++;
+}
+
+
+foreach ($tarifs as $tarif)
+{
+  foreach ($clients as $client)
+    {
+      $sql = "SELECT fk_client FROM ".MAIN_DB_PREFIX."telephonie_tarif_client";
+      $sql .= " WHERE fk_client = ".$client;
+      $sql .= " AND fk_tarif = ".$tarif;
+  
+      $resql = $db->query($sql);
+  
+      if ( $resql )
+	{
+	  $num = $db->num_rows($resql);
+
+	  if ($num == 0)
+	    {
+	      array_push($corrections[$tarif], $client);
+	    }
+
+	  $db->free($resql);
+	}
+      else
+	{
+	  $error++;
+	} 
+    }
+}
+
+
+foreach ($tarifs as $tarif)
+{
+  print "Tarif $tarif : ".sizeof($corrections[$tarif])."\n";
+
+  var_dump($corrections[$tarif]);
+}
+
+$db->close();
+?>