diff --git a/htdocs/telephonie/stats/graph/baraccumul.class.php b/htdocs/telephonie/stats/graph/baraccumul.class.php
new file mode 100644
index 00000000000..36edbd4c678
--- /dev/null
+++ b/htdocs/telephonie/stats/graph/baraccumul.class.php
@@ -0,0 +1,147 @@
+<?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.
+ *
+ * $Id$
+ * $Source$
+ *
+ */
+
+require_once (DOL_DOCUMENT_ROOT."/telephonie/stats/graph/graph.class.php");
+
+class GraphBarAccumul extends DolibarrGraph {
+
+  Function GraphBarAccumul($DB, $file)
+  {
+    $this->db = $DB;
+    $this->file = $file;
+    $this->bgcolor = "#DEE7EC";
+    $this->barcolor = "green";
+    $this->client = 0;
+    $this->showframe = true;
+    $this->datas = array();
+
+    $this->datas_color[0] = "green";
+    $this->datas_color[1] = "yellow";
+    $this->datas_color[2] = "blue";
+    $this->datas_color[3] = "pink";
+  }
+
+  Function add_datas($p_datas)
+  {
+    $num = sizeof($this->datas);
+
+    $this->datas[$num] = $p_datas;
+  }
+  
+  Function GraphDraw($file, $labels, $datas)
+  {
+    // Create the graph. These two calls are always required
+
+    $height = 240;
+    $width = 320;
+
+    if ($this->width <> $width && $this->width > 0)
+      $width = $this->width;
+    
+    if ($this->height <> $height && $this->height > 0)
+      $height = $this->height;
+
+    if (sizeof($datas) && sizeof($labels))
+      {
+	$graph = new Graph($width, $height,"auto");    
+	$graph->SetScale("textlin");
+
+	$graph->yaxis->scale->SetGrace(20);
+
+	$graph->SetFrame($this->showframe);
+    
+	$graph->img->SetMargin(40,20,20,35);
+    
+   
+	$graph->xaxis->scale->SetGrace(20);
+
+	$LabelAngle = 45;
+
+	if ($this->LabelAngle <> $LabelAngle && strlen($this->LabelAngle) > 0)
+	  $LabelAngle = $this->LabelAngle;
+
+	if ($this->LabelAngle > 0)
+	  {
+	    $graph->xaxis->SetLabelAngle($LabelAngle);
+	    $graph->xaxis->SetFont(FF_VERDANA,FS_NORMAL,7);
+	  }
+      
+	$graph->title->Set($this->titre);
+    
+	$graph->title->SetFont(FF_VERDANA,FS_NORMAL);
+
+    
+	$graph->xaxis->SetTickLabels($labels);   
+	$graph->xaxis->title->Set(strftime("%d/%m/%y %H:%M:%S", time()));
+
+	//
+	$accs = array();
+
+	for ($i = 0 ; $i < sizeof($this->datas) ; $i++)
+	  {
+	    $b1plot = new BarPlot($this->datas[$i]);
+	    $b1plot->SetFillColor($this->datas_color[$i]);
+
+	    array_push($accs, $b1plot);
+	  }
+
+	// Create the accumulated bar plots
+	$ab1plot = new AccBarPlot($accs);
+	// ...and add it to the graph
+	$graph->Add($ab1plot);
+
+	// Display the graph
+    
+	$graph->img->SetImgFormat("png");
+	$graph->Stroke($file);
+      }
+    else
+      {
+	// Setup a basic canvas we can work
+	$g = new CanvasGraph($width,$height,'auto');
+	$g->SetMargin(5,11,6,11);
+	$g->SetShadow();
+	$g->SetMarginColor("teal");
+	
+	// We need to stroke the plotarea and margin before we add the
+	// text since we otherwise would overwrite the text.
+	//$g->InitFrame();
+
+	// Draw a text box in the middle
+	$txt = "Données manquantes !";
+	$t = new Text($txt,ceil($width / 2),ceil($height/2));
+	$t->SetFont(FF_VERDANA, FS_BOLD, 10);
+	
+	// How should the text box interpret the coordinates?
+	$t->Align('center','top');
+	$t->SetBox("white","black","gray");	
+	$t->ParagraphAlign('center');
+	
+	// Stroke the text
+	$t->Stroke($g->img);
+	
+	// Stroke the graph
+	$g->Stroke($file);
+      }
+  }
+}   
+?>