diff --git a/phoneinterface.py b/phoneinterface.py
index 1dc3d46..70a3feb 100644
--- a/phoneinterface.py
+++ b/phoneinterface.py
@@ -94,18 +94,21 @@ class PhoneInterface(object):
     def on_LinphoneCallIncomingReceived(self, event):
         self.run_callbacks(PhoneEvent.CallIncoming)
         self.current_call_id = event.call_id
-        self.__history.log_call(self.get_remote_number(), True)
+        self.current_history_id = self.__history.log_call(self.get_remote_number(), True)
 
     def on_LinphoneCallOutgoingRinging(self, event):
         self.run_callbacks(PhoneEvent.CallRinging)
-        self.__history.log_call(self.get_remote_number(), False)
+        self.current_history_id = self.__history.log_call(self.get_remote_number(), False)
 
     def on_LinphoneCallConnected(self, event):
+        self.call_connected_time = time.time()
         self.run_callbacks(PhoneEvent.CallAccepted)
 
     def on_LinphoneCallEnd(self, event):
+        self.__history.set_call_duration(self.current_history_id, int(time.time() - self.call_connected_time))
         self.run_callbacks(PhoneEvent.CallEnded)
         self.current_call_id = None
+        self.current_history_id = None
 
     def __pollthread(self):
         while self.__running:
@@ -146,9 +149,11 @@ class PhoneInterface(object):
         self.__core.call(number)
 
     def accept_call(self):
+        self.__history.accept_call(self.current_history_id)
         self.__core.answer(self.current_call_id)
 
     def decline_call(self):
+        self.__history.decline_call(self.current_history_id)
         self.__core.decline_call(self.__core.current_call)
 
     def end_call(self):