Remote Directories can sometimes fail to load, when it does it will require we add this override into the devices that are missing or have the incorrect URL
directory_setting.remote_phone_book.enable="1"
directory_setting.history.enable="1"
directory_setting.url="https://phonevip:940ce9f875b5@endpoints1-phx.vipvoice.io/cfg/yealink_directory_setting.xml"