we are using ZMM with some iPhones. Roling out a policy works fine, but I only get a few informations from the devices
like Battery Level, Capacity and some more.

But how do I configure ZMM to get more informations, like WiFi-Mac, SerialNumber, IMEI and Phone Number ?

Every iPhone (iPhone 4, 4S, 5 & 5s) with different IOS Versions only show "N/A" in this fields.

We are using ZMM 2.8.2. We started with 2.6.x and I thought that this informations will be available in newer versions. But nothing happened.

Any Ideas how to get this informations from all connected devices ?