diff --git a/3CX_TAPI.user.js b/3CX_TAPI.user.js
index 0c6421d..39b8da9 100644
--- a/3CX_TAPI.user.js
+++ b/3CX_TAPI.user.js
@@ -3,7 +3,7 @@
 // @author       Daniel Triendl
 // @namespace    http://cp-solutions.at
 // @copyright    Copyright 2020 CP Solutions GmbH
-// @version      4
+// @version      5
 // @grant        GM.xmlHttpRequest
 // @grant        GM.notification
 // @include      https://192.168.0.154:5001/webclient*
@@ -230,27 +230,38 @@ const tapi = {
     element.appendChild(form);
   },
 
-  showCallNotification: (element) => {
-    var number = element.dataset.id;
-    console.log('TAPI call notification', number);
-    var rx = /(\+?[0-9]+)/;
-    var match = rx.exec(number);
+  extractNumber: (s) => {
+    var match = /(\+?[0-9]+)/.exec(s);
     if (!match) {
-      console.log('TAPI callerid no number found');
-      return;
+      return undefined;
     }
-
     number = match[1];
 
     if (number.startsWith('+')) {
       number = number.replace('+', '00');
     }
+    return number;
+  },
+
+  showCallNotification: (element) => {
+    var number = element.dataset.id;
+    console.log('TAPI call notification', number);
+
+    number = tapi.extractNumber(number);
+    if (!number) {
+      console.log('TAPI callerid no number found');
+      return;
+    }
+
     console.log('TAPI searching callerid for', number);
     GM.xmlHttpRequest({
       method: 'GET',
       url: 'http://cpatapi.cpsrvweb2016.cp-austria.at/callerid/' + encodeURIComponent(number),
       onload: function (response) {
         console.log('TAPI callerid response', response);
+        if (response.status != 200) {
+          return;
+        }
         var callerId = JSON.parse(response.responseText);
         var notification = {
           text: number
@@ -261,8 +272,42 @@ const tapi = {
         GM.notification(notification);
       }
     });
+  },
+
+  callerIds: {},
+
+  showCallHistory: (element) => {
+    var span = element.querySelector('span');
+    var number = tapi.extractNumber(span.textContent);
+    console.log('TAPI call histroy number found', number)
+    if (tapi.callerIds.hasOwnProperty(number)) {
+      span.textContent = tapi.callerIds[number].tD_NAME + ' ' + span.textContent;
+    } else {
+      //http://celestia.fim.trellmor.com:62406/callerid/
+      //http://cpatapi.cpsrvweb2016.cp-austria.at/callerid/
+      GM.xmlHttpRequest({
+        method: 'GET',
+        url: 'http://cpatapi.cpsrvweb2016.cp-austria.at/callerid/' + encodeURIComponent(number),
+        context: span,
+        onload: function (response) {
+          console.log('TAPI call histroy callerid response', response);
+          if (response.status != 200) {
+            return;
+          }
+          var callerId = JSON.parse(response.responseText);
+          var number = tapi.extractNumber(span.textContent);
+          tapi.callerIds[number] = { 'td_NAME': '' };
+          if (callerId) {
+            tapi.callerIds[number] = callerId;
+            response.context.textContent = callerId.tD_NAME + ' ' + response.context.textContent;
+          }
+        }
+      });
+    }
   }
+
 };
 
 waitForKeyElements('div.nav-search', tapi.createSearchBox, true);
 waitForKeyElements('call-view', tapi.showCallNotification, false);
+waitForKeyElements('.call-history-list call', tapi.showCallHistory, false);