Index: leahi_dialin/td/modules/alarms.py
===================================================================
diff -u -rc5bfcf84ed942ca5841bf9de155aa0f495b4d28d -r41de945f9c773e54e965e80d9e46def828beb732
--- leahi_dialin/td/modules/alarms.py	(.../alarms.py)	(revision c5bfcf84ed942ca5841bf9de155aa0f495b4d28d)
+++ leahi_dialin/td/modules/alarms.py	(.../alarms.py)	(revision 41de945f9c773e54e965e80d9e46def828beb732)
@@ -55,6 +55,7 @@
         TD_ALARM_RESPONSE_BUTTON_RINSEBACK = 1
         TD_ALARM_RESPONSE_BUTTON_END_TREATMENT = 2
         NUM_OF_TD_ALARM_RESPONSE_BUTTONS = 3
+    AlarmResponseButtons._str_list = {}
 
     # Alarm status message field positions
     START_POS_ALARM_STATE = DenaliMessage.PAYLOAD_START_INDEX