diff --git a/fhem/CHANGED b/fhem/CHANGED
index d5fcb4f13..90e35b750 100644
--- a/fhem/CHANGED
+++ b/fhem/CHANGED
@@ -1,5 +1,7 @@
 # Add changes at the top of the list. Keep it in ASCII, and 80-char wide.
 # Do not insert empty lines here, update check depends on it.
+  - feature: 70_Jabber Added possibility to change componentname via 
+             attr JabberDomain
   - feature: 93_DbRep: function readingRename added, delEntries is able to 
              use SQL-Wildcards in attr reading/device
   - bugfix:  98_Verkehrsinfo.pm: Fix state update, Hessenschau message
diff --git a/fhem/FHEM/70_Jabber.pm b/fhem/FHEM/70_Jabber.pm
index 2c4e1cc51..905642380 100644
--- a/fhem/FHEM/70_Jabber.pm
+++ b/fhem/FHEM/70_Jabber.pm
@@ -23,9 +23,10 @@
 #     You should have received a copy of the GNU General Public License
 #     along with fhem.  If not, see <http://www.gnu.org/licenses/>.
 #
-# Version: 1.6 - 2015-09-17
+# Version: 1.7 - 2016-12-29
 #
 # Changelog:
+# v1.7 2016-12-29 Added possibility to change componentname via attr JabberDomain (thx Turbokid)
 # v1.6 2016-07-10 Fix log message if otr message is empty (thx spikeh1)
 # v1.5 2015-09-17 Added OTR (Off the Record) end to end encryption
 #                 Added MUC (Multi-User-Channel) joining and handling
@@ -87,7 +88,7 @@ Jabber_Initialize($)
   $hash->{DefFn}      = "Jabber_Define";
   $hash->{UndefFn}    = "Jabber_UnDef";
   $hash->{AttrFn}     = "Jabber_Attr";
-  $hash->{AttrList}   = "dummy:1,0 loglevel:0,1,2,3,4,5 OnlineStatus:available,unavailable PollTimer RecvWhitelist ResourceName MucJoin MucRecvWhitelist OTREnable OTRSharedSecret ".$readingFnAttributes;
+  $hash->{AttrList}   = "dummy:1,0 loglevel:0,1,2,3,4,5 OnlineStatus:available,unavailable PollTimer RecvWhitelist ResourceName MucJoin MucRecvWhitelist OTREnable OTRSharedSecret JabberDomain ".$readingFnAttributes;
 }
 
 ###################################
@@ -303,6 +304,9 @@ Jabber_Attr(@)
       }
     } elsif ($aName eq "OTRSharedSecret") {
       #Nothing special to do will be used later..
+    } elsif ($aName eq "JabberDomain" && $init_done) {
+      #restart connection...
+      $hash->{JabberDevice}->Disconnect();
     }
   }
 	return undef;
@@ -546,13 +550,19 @@ sub Jabber_CheckConnection($)
   }
 
   if (!$hash->{JabberDevice}->Connected()) {
+
+    my $componentname = $hash->{helper}{server};
+    if(exists($attr{$name}{JabberDomain}) && $attr{$name}{JabberDomain} ne '') {
+       $componentname = $attr{$name}{JabberDomain};
+    }
     
+
     my $connectionstatus = $hash->{JabberDevice}->Connect(
                             hostname=>$hash->{helper}{server}, 
                             port=>$hash->{helper}{port}, 
                             tls=>$hash->{helper}{tls},
                             ssl=>$hash->{helper}{ssl},
-                            componentname=>$hash->{helper}{server}
+                            componentname=>$componentname
                             );
                             
     if (!defined($connectionstatus)) {
@@ -954,6 +964,9 @@ sub Jabber_OTR_disconnected {
 
 
 =pod
+=item device
+=item summary connect FHEM to the Jabber Network, send and receiving messages
+=item summary_DE verbindet FHEM and Jabber Netz, kann Nachrichten senden und empfangen
 =begin html
 
 <a name="Jabber"></a>