Working HTTP Server and Client communicating with codec. Need to fix issue with deserializing configuration.xml upon connection (null ref exception).

Essentials Core/PepperDashEssentialsBase/Devices/IHasDialer.cs

@@ -15,8 +15,11 @@ namespace PepperDash.Essentials.Core
 
         void Dial();
         void EndCall();
+        void AcceptCall();
+        void RejectCall();
 
         BoolFeedback InCallFeedback { get; }
+        BoolFeedback IncomingCallFeedback { get; }
 
     }
 }