diff --git a/core/AmSession.cpp b/core/AmSession.cpp
index 5987770e..d6b7b672 100644
--- a/core/AmSession.cpp
+++ b/core/AmSession.cpp
@@ -823,6 +823,8 @@ void AmSession::sendReinvite(bool updateSDP, const string& headers)
 
 int AmSession::sendInvite(const string& headers) 
 {
+  onOutgoingInvite(headers);
+
   // Set local IP first, so that IP is set when 
   // getLocalPort/setLocalPort may bind.
   rtp_str.setLocalIP(AmConfig::LocalIP);
diff --git a/core/AmSession.h b/core/AmSession.h
index f0351d48..295e6589 100644
--- a/core/AmSession.h
+++ b/core/AmSession.h
@@ -328,10 +328,10 @@ public:
    */
   static string getNewId();
 
-    /**
-     * Gets the number of running sessions
-     */
-    static unsigned int getSessionNum();
+  /**
+   * Gets the number of running sessions
+   */
+  static unsigned int getSessionNum();
 
   /**
    * Entry point for DTMF events
@@ -358,6 +358,12 @@ public:
    */
   virtual void onInvite(const AmSipRequest& req);
 
+  /**
+   * onOutgoingInvite will be called if an INVITE 
+   * is sent in the session.
+   */
+  virtual void onOutgoingInvite(const string& headers) { }
+
   /**
    * onCancel will be called if a CANCEL for a running
    * dialog has been received. At this point, the CANCEL