I have a question i try to configure DS-KV6113 door station with KH6320 indoor station i connect the both devices together with a LAN cable and i connect the indoor station to the WIFI after configuration using the indoor station screen i am able to use the live view but i can't call via KV6113 i have the message calling failed ,, also i have abnormal register status on the indoor station screen when i press it i have the message "Authentication failed , make sure the registration password is correct" what should i do to be able to use the call from the door station ?