diff --git a/sat.tac b/sat.tac
index fdbf3213..ede5c2cd 100644
--- a/sat.tac
+++ b/sat.tac
@@ -20,7 +20,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 """
 
 client_name = u'SàT (Salut à toi)'
-client_version = '0.0.1'
+client_version = '0.0.1D'   #Please add 'D' at the end for dev versions
 
 from twisted.application import internet, service
 from twisted.internet import glib2reactor, protocol, task
@@ -32,7 +32,7 @@ from twisted.words.xish import domish
 from twisted.internet import reactor
 import pdb
 
-from wokkel import client, disco, xmppim, generic
+from wokkel import client, disco, xmppim, generic, compat
 
 from sat_bridge.DBus import DBusBridge
 import logging
@@ -56,6 +56,13 @@ logging.basicConfig(level=logging.DEBUG,
 ###
 
 
+sat_id = 0
+
+def sat_next_id():
+    global sat_id
+    sat_id+=1
+    return "sat_id_"+str(sat_id)
+
 class SatXMPPClient(client.XMPPClient):
     
     def __init__(self, jid, password, host=None, port=5222):
@@ -187,7 +194,50 @@ class SatFallbackHandler(generic.FallbackHandler):
         #pdb.set_trace()
         print "iqFallback: xml = [%s], handled=%s" % (iq.toXml(), "True" if iq.handled else "False")
         generic.FallbackHandler.iqFallback(self, iq)
+
+class RegisteringAuthenticator(xmlstream.ConnectAuthenticator):
+
+    def __init__(self, host, jabber_host, user_login, user_pass, answer_id):
+        xmlstream.ConnectAuthenticator.__init__(self, jabber_host)
+        self.host = host
+        self.jabber_host = jabber_host
+        self.user_login = user_login
+        self.user_pass = user_pass
+        self.answer_id = answer_id
     
+    def connectionMade(self):
+        print "connectionMade"
+        
+        self.xmlstream.namespace = "jabber:client"
+        self.xmlstream.sendHeader()
+
+        iq = compat.IQ(self.xmlstream, 'set')
+        iq["to"] = self.jabber_host
+        query = iq.addElement(('jabber:iq:register', 'query'))
+        _user = query.addElement('username')
+        _user.addContent(self.user_login)
+        _pass = query.addElement('password')
+        _pass.addContent(self.user_pass)
+        reg = iq.send(self.jabber_host).addCallbacks(self.registrationAnswer, self.registrationFailure)
+
+    def registrationAnswer(self, answer):
+        debug ("registration answer: %s" % answer.toXml())
+        answer_type = "success"
+        answer_data={"human":"Registration successfull"}
+        self.host.bridge.sendAnswer(answer_type, self.answer_id, answer_data)
+        self.xmlstream.sendFooter()
+        
+    def registrationFailure(self, error):
+        info ("Registration failure: %s" %str(error))
+        answer_type = "error"
+        answer_data={"human":"Registration failed"}
+        if error.value.condition == 'conflict':
+            answer_data['reason'] = 'conflict'
+        else:
+            answer_data['reason'] = 'unknown'
+        self.host.bridge.sendAnswer(answer_type, self.answer_id, answer_data)
+        self.xmlstream.sendFooter()
+        
 
 class SAT(service.Service):
     
@@ -201,6 +251,7 @@ class SAT(service.Service):
         self.plugins = {}
 
         self.bridge=DBusBridge()
+        self.bridge.register("registerNewAccount", self.registerNewAccount)
         self.bridge.register("connect", self.connect)
         self.bridge.register("disconnect", self.disconnect)
         self.bridge.register("getContacts", self.memory.getContacts)
@@ -219,7 +270,6 @@ class SAT(service.Service):
         self.bridge.register("getProgress", self.getProgress)
 
         self._import_plugins()
-        #self.connect()
 
 
     def _import_plugins(self):
@@ -234,8 +284,11 @@ class SAT(service.Service):
             plug_info = mod.PLUGIN_INFO
             info ("importing plugin: %s", plug_info['name'])
             self.plugins[plug_info['import_name']] = getattr(mod, plug_info['main'])(self)
+            #TODO: test xmppclient presence and register handler parent
 
     def connect(self):
+        """Connect to jabber server"""
+
         if (self.isConnected()):
             info("already connected !")
             return
@@ -264,10 +317,11 @@ class SAT(service.Service):
         for plugin in self.plugins.iteritems():
             if isinstance(plugin[1], XMPPHandler):
                 plugin[1].setHandlerParent(self.xmppclient)
-        
+
         self.xmppclient.startService()
     
     def disconnect(self):
+        """disconnect from jabber server"""
         if (not self.isConnected()):
             info("not connected !")
             return
@@ -307,19 +361,20 @@ class SAT(service.Service):
         self.presence.available()
         
         self.disco.requestInfo(jid.JID(self.memory.getParamV("Server", "Connection"))).addCallback(self.serverDisco)
-        
+    
+   ## Misc methods ##
+   
+    def registerNewAccount(self, login, password, server, port = 5222):
+        """Connect to a server and create a new account using in-band registration"""
 
-    def sendMessage(self,to,msg,type='chat'):
-        #FIXME: check validity of recipient
-        debug("Sending jabber message to %s...", to)
-        message = domish.Element(('jabber:client','message'))
-        message["to"] = jid.JID(to).full()
-        message["from"] = self.me.full()
-        message["type"] = type
-        message.addElement("body", "jabber:client", msg)
-        self.xmlstream.send(message)
-        self.memory.addToHistory(self.me, self.me, jid.JID(to), message["type"], unicode(msg))
-        self.bridge.newMessage(message['from'], unicode(msg), to=message['to']) #We send back the message, so all clients are aware of it
+        next_id = sat_next_id()  #the id is used to send server's answer
+        serverRegistrer = xmlstream.XmlStreamFactory(RegisteringAuthenticator(self, server, login, password, next_id))
+        connector = reactor.connectTCP(server, port, serverRegistrer)
+        serverRegistrer.clientConnectionLost = lambda conn, reason: connector.disconnect()
+        
+        return next_id 
+
+    ## Client management ##
 
     def setParam(self, name, value, namespace):
         """set wanted paramater and notice observers"""
@@ -341,6 +396,19 @@ class SAT(service.Service):
         return False
 
     ## jabber methods ##
+    
+    def sendMessage(self,to,msg,type='chat'):
+        #FIXME: check validity of recipient
+        debug("Sending jabber message to %s...", to)
+        message = domish.Element(('jabber:client','message'))
+        message["to"] = jid.JID(to).full()
+        message["from"] = self.me.full()
+        message["type"] = type
+        message.addElement("body", "jabber:client", msg)
+        self.xmlstream.send(message)
+        self.memory.addToHistory(self.me, self.me, jid.JID(to), message["type"], unicode(msg))
+        self.bridge.newMessage(message['from'], unicode(msg), to=message['to']) #We send back the message, so all clients are aware of it
+
 
     def setPresence(self, to="", type="", show="", status="", priority=0):
         """Send our presence information"""
diff --git a/sat_bridge/DBus.py b/sat_bridge/DBus.py
index e0706307..adf18847 100755
--- a/sat_bridge/DBus.py
+++ b/sat_bridge/DBus.py
@@ -28,6 +28,8 @@ import pdb
 from logging import debug, info, error
 
 const_INT_PREFIX = "org.goffi.SAT"  #Interface prefix
+const_COMM_SUFFIX = ".communication"
+const_REQ_SUFFIX = ".request"
 
 class DbusObject(dbus.service.Object):
 
@@ -41,132 +43,141 @@ class DbusObject(dbus.service.Object):
 
     ### signals ###    
 
-    @dbus.service.signal(const_INT_PREFIX+".communication",
+    @dbus.service.signal(const_INT_PREFIX+const_COMM_SUFFIX,
                          signature='sa{ss}as')
     def newContact(self, contact, attributes, groups):
         debug("new contact signal (%s) sended", contact)
 
-    @dbus.service.signal(const_INT_PREFIX+".communication",
+    @dbus.service.signal(const_INT_PREFIX+const_COMM_SUFFIX,
                          signature='ssss')
     def newMessage(self, from_jid, msg, type='chat', to=''):
         debug("new message signal (from:%s msg:%s type:%s to:%s) sended", from_jid, msg, type, to)
      
-    @dbus.service.signal(const_INT_PREFIX+".communication",
+    @dbus.service.signal(const_INT_PREFIX+const_COMM_SUFFIX,
                          signature='ssssi')
     def presenceUpdate(self, jid, type, show, status, priority):
         debug("presence update signal (from:%s type: %s show:%s status:\"%s\" priority:%d) sended" , jid, type, show, status, priority)
 
-    @dbus.service.signal(const_INT_PREFIX+".communication",
+    @dbus.service.signal(const_INT_PREFIX+const_COMM_SUFFIX,
                          signature='sss')
     def paramUpdate(self, name, value, namespace):
         debug("param update signal: %s=%s in namespace %s", name, value, namespace)
 
-    @dbus.service.signal(const_INT_PREFIX+".communication",
+    @dbus.service.signal(const_INT_PREFIX+const_COMM_SUFFIX,
                          signature='s')
     def contactDeleted(self, jid):
         debug("contact deleted signal: %s", jid)
     
-    @dbus.service.signal(const_INT_PREFIX+".request",
+    @dbus.service.signal(const_INT_PREFIX+const_REQ_SUFFIX,
                          signature='ssa{ss}')
     def askConfirmation(self, type, id, data):
         debug("asking for confirmation: id = [%s]  type = %s data = %s", id, type, data)
 
-
+    @dbus.service.signal(const_INT_PREFIX+const_COMM_SUFFIX,
+                         signature='ssa{ss}')
+    def sendAnswer(self, type, id, data):
+        debug("sending answer: id = [%s]  type = %s data = %s", id, type, data)
 
     ### methods ###    
 
-    @dbus.service.method(const_INT_PREFIX+".communication",
+    @dbus.service.method(const_INT_PREFIX+const_COMM_SUFFIX,
+                         in_signature='sssi', out_signature='s')
+    def registerNewAccount(self, login, password, host, port=5222):
+        info ("New account registration asked")
+        return self.cb["registerNewAccount"](login, password, host, port)
+
+    @dbus.service.method(const_INT_PREFIX+const_COMM_SUFFIX,
                          in_signature='', out_signature='')
     def connect(self):
         info ("Connection asked")
         return self.cb["connect"]()
 
-    @dbus.service.method(const_INT_PREFIX+".communication",
+    @dbus.service.method(const_INT_PREFIX+const_COMM_SUFFIX,
                          in_signature='', out_signature='')
     def disconnect(self):
         info ("Disconnection asked")
         return self.cb["disconnect"]()
     
-    @dbus.service.method(const_INT_PREFIX+".communication",
+    @dbus.service.method(const_INT_PREFIX+const_COMM_SUFFIX,
                          in_signature='', out_signature='a(sa{ss}as)')
     def getContacts(self):
         debug("getContacts...")
         return self.cb["getContacts"]()
 
-    @dbus.service.method(const_INT_PREFIX+".communication",
+    @dbus.service.method(const_INT_PREFIX+const_COMM_SUFFIX,
                          in_signature='', out_signature='a(ssssi)')
     def getPresenceStatus(self):
         debug("getPresenceStatus...")
         return self.cb["getPresenceStatus"]()
 
-    @dbus.service.method(const_INT_PREFIX+".communication",
+    @dbus.service.method(const_INT_PREFIX+const_COMM_SUFFIX,
                          in_signature='ss', out_signature='')
     def sendMessage(self, to, message):
         debug("sendMessage...")
         self.cb["sendMessage"](to, message)
 
-    @dbus.service.method(const_INT_PREFIX+".communication",
+    @dbus.service.method(const_INT_PREFIX+const_COMM_SUFFIX,
                          in_signature='ssssi', out_signature='')
     def setPresence(self, to="", type="", show="", status="", priority=0):
         self.cb["setPresence"](to, type, show, status, priority)
 
-    @dbus.service.method(const_INT_PREFIX+".communication",
+    @dbus.service.method(const_INT_PREFIX+const_COMM_SUFFIX,
                          in_signature='sss', out_signature='')
     def setParam(self, name, value, namespace="default"):
         self.cb["setParam"](name, str(value), namespace)
         
-    @dbus.service.method(const_INT_PREFIX+".communication",
+    @dbus.service.method(const_INT_PREFIX+const_COMM_SUFFIX,
                          in_signature='ss', out_signature='(ss)')
     def getParam(self, name, namespace="default"):
         return self.cb["getParam"](name, namespace)
 
-    @dbus.service.method(const_INT_PREFIX+".communication",
+    @dbus.service.method(const_INT_PREFIX+const_COMM_SUFFIX,
                          in_signature='s', out_signature='a(sss)')
     def getParams(self, namespace):
         return self.cb["getParams"](namespace)
 
-    @dbus.service.method(const_INT_PREFIX+".communication",
+    @dbus.service.method(const_INT_PREFIX+const_COMM_SUFFIX,
                          in_signature='', out_signature='as')
     def getParamsCategories(self):
         return self.cb["getParamsCategories"]()
 
-    @dbus.service.method(const_INT_PREFIX+".communication",
+    @dbus.service.method(const_INT_PREFIX+const_COMM_SUFFIX,
                          in_signature='ssi', out_signature='a{i(ss)}')
     def getHistory(self, from_jid, to_jid, size):
         debug("History asked for %s", to_jid)
         return self.cb["getHistory"](from_jid, to_jid, size)
     
-    @dbus.service.method(const_INT_PREFIX+".communication",
+    @dbus.service.method(const_INT_PREFIX+const_COMM_SUFFIX,
                          in_signature='s', out_signature='')
     def addContact(self, jid):
         debug("Subscription asked for %s", jid)
         return self.cb["addContact"](jid)
     
-    @dbus.service.method(const_INT_PREFIX+".communication",
+    @dbus.service.method(const_INT_PREFIX+const_COMM_SUFFIX,
                          in_signature='s', out_signature='')
     def delContact(self, jid):
         debug("Unsubscription asked for %s", jid)
         return self.cb["delContact"](jid)
 
-    @dbus.service.method(const_INT_PREFIX+".communication",
+    @dbus.service.method(const_INT_PREFIX+const_COMM_SUFFIX,
                          in_signature='', out_signature='b')
     def isConnected(self):
         debug("Connection status requested")
         return self.cb["isConnected"]()
 
-    @dbus.service.method(const_INT_PREFIX+".request",
+    @dbus.service.method(const_INT_PREFIX+const_REQ_SUFFIX,
                          in_signature='sba{ss}', out_signature='')
     def confirmationAnswer(self, id, accepted, data):
         debug("Answer for confirmation [%s]: %s", id, "Accepted" if accepted else "Refused")
         return self.cb["confirmationAnswer"](id, accepted, data)
     
-    @dbus.service.method(const_INT_PREFIX+".request",
+    @dbus.service.method(const_INT_PREFIX+const_REQ_SUFFIX,
                          in_signature='s', out_signature='a{ss}')
     def getProgress(self, id):
         #debug("Progress asked for %s", id)
         return self.cb["getProgress"](id)
 
-    def _attribute_string(self, in_sign):
+    def __attribute_string(self, in_sign):
         i=0
         idx=0
         attr_string=""
@@ -192,7 +203,7 @@ class DbusObject(dbus.service.Object):
     def addMethod(self, name, int_suffix, in_sign, out_sign):
         """Dynamically add a method to Dbus Bridge"""
         #FIXME: Better way ???
-        attributes = self._attribute_string(in_sign)
+        attributes = self.__attribute_string(in_sign)
 
         code = compile ('def '+name+' (self,'+attributes+'): return self.cb["'+name+'"]('+attributes+')', '<DBus bridge>','exec')
         exec (code)
@@ -231,6 +242,9 @@ class DBusBridge(Bridge):
     def askConfirmation(self, type, id, data):
         self.dbus_bridge.askConfirmation(type, id, data)
 
+    def sendAnswer(self, type, id, data):
+        self.dbus_bridge.sendAnswer(type, id, data)
+
     def register(self, name, callback):
         debug("registering DBus bridge method [%s]",name)
         self.dbus_bridge.register(name, callback)