Whenever I attempt to make a FaceTime Audio call on my (WiFi only) iPad Air 2, I get an error that the iPad and iPhone (6 Plus) must be connected to the same WiFi network. Yet they are connected to the same network. I’ve also noticed sometimes when a regular phone call comes in Handoff (I assume Handoff) doesn’t make it ring on the iPad. If I want to make a FaceTime audio call, I toggle WiFi off on the iPad, then back on. After that it works fine. Both are running the latest iOS. Any thoughts or suggestions?