diff --git a/src/controller/CommandController.java b/src/controller/CommandController.java
index 4ce43b0..ccf5fae 100644
--- a/src/controller/CommandController.java
+++ b/src/controller/CommandController.java
@@ -15,7 +15,7 @@ import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.util.logging.Logger;
 import logger.OhmLogger;
-import model.VoIP;
+import model.SIPmodel;
 
 /**
  *
@@ -25,10 +25,10 @@ import model.VoIP;
 public class CommandController implements ActionListener
 {
   private static final Logger lc = OhmLogger.getLogger();
-  private VoIP model;
+  private SIPmodel model;
   private Hauptfenster view;
   private CommandInvoker invoker;
-  public CommandController(VoIP model, Hauptfenster view)
+  public CommandController(SIPmodel model, Hauptfenster view)
   {
     this.model = model;
     this.view = view;
diff --git a/src/controller/CommandInterface.java b/src/controller/CommandInterface.java
index 3ea64b9..32c1d96 100644
--- a/src/controller/CommandInterface.java
+++ b/src/controller/CommandInterface.java
@@ -8,7 +8,8 @@ package controller;
 /**
  *
  * @author Jan
- * wird an sich noch nicht gebraucht aber später noch nützlich
+ * momentan wird nur execute gebraucht, undo später sinnvoll bzw. vielleicht
+ * bei cancel von Invite oder Anruf statt Anruf beenden.
  */
 public interface CommandInterface
 {
diff --git a/src/controller/commands/CommandAnnehmen.java b/src/controller/commands/CommandAnnehmen.java
index 975b4c5..c52ac00 100644
--- a/src/controller/commands/CommandAnnehmen.java
+++ b/src/controller/commands/CommandAnnehmen.java
@@ -10,7 +10,7 @@ import controller.CommandInterface;
 import gui.Hauptfenster;
 import java.util.logging.Logger;
 import logger.OhmLogger;
-import model.VoIP;
+import model.SIPmodel;
 
 /**
  *
@@ -22,9 +22,9 @@ import model.VoIP;
 public class CommandAnnehmen implements CommandInterface
 { 
   private static final Logger lginvite = OhmLogger.getLogger(); 
-  private VoIP model;
+  private SIPmodel model;
   private Hauptfenster view;
-  public CommandAnnehmen(VoIP model, Hauptfenster view)
+  public CommandAnnehmen(SIPmodel model, Hauptfenster view)
   {
     this.model = model;
     this.view = view;         
diff --git a/src/controller/commands/CommandBeenden.java b/src/controller/commands/CommandBeenden.java
index 708d527..0caeaf6 100644
--- a/src/controller/commands/CommandBeenden.java
+++ b/src/controller/commands/CommandBeenden.java
@@ -10,19 +10,21 @@ import controller.CommandInterface;
 import gui.Hauptfenster;
 import java.util.logging.Logger;
 import logger.OhmLogger;
-import model.VoIP;
+import model.SIPmodel;
 
 /**
  *
  * @author Jan
  * Muss noch komplett implementiert werden
+ * -> Bye bei laufendem Gespräch
+ * -> Cancel bei laufender Anfrage
  */
 public class CommandBeenden implements CommandInterface
 { 
   private static final Logger lginvite = OhmLogger.getLogger(); 
-  private VoIP model;
+  private SIPmodel model;
   private Hauptfenster view;
-  public CommandBeenden(VoIP model, Hauptfenster view)
+  public CommandBeenden(SIPmodel model, Hauptfenster view)
   {
     this.model = model;
     this.view = view;         
diff --git a/src/controller/commands/CommandInvite.java b/src/controller/commands/CommandInvite.java
index 23e6d34..4fa1b6b 100644
--- a/src/controller/commands/CommandInvite.java
+++ b/src/controller/commands/CommandInvite.java
@@ -15,7 +15,7 @@ import javax.sdp.SdpException;
 import javax.sip.InvalidArgumentException;
 import javax.sip.SipException;
 import logger.OhmLogger;
-import model.VoIP;
+import model.SIPmodel;
 
 /**
  *
@@ -25,9 +25,9 @@ import model.VoIP;
 public class CommandInvite implements CommandInterface
 { 
   private static final Logger lginvite = OhmLogger.getLogger(); 
-  private VoIP model;
+  private SIPmodel model;
   private Hauptfenster view;
-  public CommandInvite(VoIP model, Hauptfenster view)
+  public CommandInvite(SIPmodel model, Hauptfenster view)
   {
     this.model = model;
     this.view = view;         
diff --git a/src/controller/commands/CommandRegister.java b/src/controller/commands/CommandRegister.java
index 464f69f..2bdba0a 100644
--- a/src/controller/commands/CommandRegister.java
+++ b/src/controller/commands/CommandRegister.java
@@ -14,7 +14,7 @@ import java.util.logging.Logger;
 import javax.sip.InvalidArgumentException;
 import javax.sip.SipException;
 import logger.OhmLogger;
-import model.VoIP;
+import model.SIPmodel;
 
 /**
  *
@@ -24,9 +24,9 @@ import model.VoIP;
 public class CommandRegister implements CommandInterface
 { 
   private static final Logger lgregister = OhmLogger.getLogger(); 
-  private VoIP model;
+  private SIPmodel model;
   private Hauptfenster view;
-  public CommandRegister(VoIP model, Hauptfenster view)
+  public CommandRegister(SIPmodel model, Hauptfenster view)
   {
     this.model = model;
     this.view = view;         
diff --git a/src/logger/OhmLogger.java b/src/logger/OhmLogger.java
index e4fea3b..82e4408 100644
--- a/src/logger/OhmLogger.java
+++ b/src/logger/OhmLogger.java
@@ -14,7 +14,7 @@ import java.util.logging.Logger;
 import logger.myformatter.MyFormatter;
 
 /**
- *
+ * nobody
  * 
  */
 public class OhmLogger 
diff --git a/src/model/VoIP.java b/src/model/SIPmodel.java
similarity index 96%
rename from src/model/VoIP.java
rename to src/model/SIPmodel.java
index b7f0fe7..1b2c90f 100644
--- a/src/model/VoIP.java
+++ b/src/model/SIPmodel.java
@@ -36,9 +36,9 @@ import logger.OhmLogger;
 /**
  *
  * @author Jan
- * komplettes Model für VoIP
+ komplettes Model für SIPmodel
  */
-public class VoIP implements SipListenerExt
+public class SIPmodel implements SipListenerExt
 {
   Hauptfenster view; //später entfernen wegen Zugriff
   private static final Logger lg = OhmLogger.getLogger();
@@ -72,7 +72,7 @@ public class VoIP implements SipListenerExt
   Address contactAddress;
   private ContactHeader contactHeader;
 
-  public VoIP(Hauptfenster view) //Konstruktor für eigene Daten     
+  public SIPmodel(Hauptfenster view) //Konstruktor für eigene Daten     
   {
     this.view = view;
     invite = true;
@@ -209,7 +209,7 @@ public class VoIP implements SipListenerExt
       }
       catch (ParseException | SipException ex)
       {
-        lg.getLogger(VoIP.class.getName()).log(Level.SEVERE, null, ex);
+        lg.getLogger(SIPmodel.class.getName()).log(Level.SEVERE, null, ex);
       }
     }
     //Aktive Kommunikation
@@ -293,7 +293,7 @@ public class VoIP implements SipListenerExt
       }
       catch (ParseException | SipException | InvalidArgumentException ex)
       {
-        lg.getLogger(VoIP.class.getName()).log(Level.SEVERE, null, ex);
+        lg.getLogger(SIPmodel.class.getName()).log(Level.SEVERE, null, ex);
       }
 
     }
@@ -335,7 +335,7 @@ public class VoIP implements SipListenerExt
       mediavec.add(sdpFactory.createAttribute("rtpmap", "18 G729/8000"));
       mediavec.add(sdpFactory.createAttribute("ptime", "20"));
     }
-    else
+    else//Vergleich von eigenen Codecs mit Codecs der anruft und Rückgabe entsprechend wählen
     {
 
     }
@@ -354,7 +354,6 @@ public class VoIP implements SipListenerExt
       try
       {
         //Trying Message to Server (Response Trying)
-        
         Response responsetry = this.messageFactory.createResponse(100, requestEvent.getRequest());
         responsetry.addHeader((ViaHeader) requestEvent.getRequest().getHeader("Via"));
         responsetry.addHeader((FromHeader) requestEvent.getRequest().getHeader("From"));
@@ -416,7 +415,7 @@ public class VoIP implements SipListenerExt
       }
       catch (ParseException | SipException | SdpException ex)
       {
-        Logger.getLogger(VoIP.class.getName()).log(Level.SEVERE, null, ex);
+        Logger.getLogger(SIPmodel.class.getName()).log(Level.SEVERE, null, ex);
 
       }
     }
@@ -449,26 +448,26 @@ public class VoIP implements SipListenerExt
   @Override
   public void processTimeout(TimeoutEvent timeoutEvent)
   {
-    view.getTxtArea().append("processTimeout\n"); 
+    //view.getTxtArea().append("processTimeout\n"); 
   }
 
   @Override
   public void processIOException(IOExceptionEvent exceptionEvent)
   {
-    view.getTxtArea().append("processIOException\n"); 
+    //view.getTxtArea().append("processIOException\n"); 
   }
 
   @Override
   public void processTransactionTerminated(
           TransactionTerminatedEvent transactionTerminatedEvent)
   {
-   view.getTxtArea().append("processTransactionTerminated\n"); 
+   //view.getTxtArea().append("processTransactionTerminated\n"); 
   }
 
   @Override
   public void processDialogTerminated(
           DialogTerminatedEvent dialogTerminatedEvent)
   {
-    view.getTxtArea().append("processDialogTerminated\n"); 
+    //view.getTxtArea().append("processDialogTerminated\n"); 
   }
 }
diff --git a/src/phone/Start.java b/src/phone/Start.java
index c219a6d..054d948 100644
--- a/src/phone/Start.java
+++ b/src/phone/Start.java
@@ -11,7 +11,7 @@ import gui.Hauptfenster;
 import java.net.InetAddress;
 import java.net.UnknownHostException;
 import java.text.ParseException;
-import model.VoIP;
+import model.SIPmodel;
 /**
  * Builder Class / Start Klasse des Programmes
  * @author Jan
@@ -21,7 +21,7 @@ public class Start
   public Start() throws ParseException, UnknownHostException
   {
     Hauptfenster view = new Hauptfenster();
-    VoIP model = new VoIP(view);
+    SIPmodel model = new SIPmodel(view);
     
     CommandController controller = new CommandController(model, view);
     controller.registerEvents();