I just added Directory number 1 (which should be 111 in the original post) as a second button on each of the other two phones. When someone dialed 111, it rang the phone which has the DN on Button 1 and also the other two which had the same DN on button 2.
I was trying to overcomplicate it and it ended up being too simple!!
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...