I recently installed a SLS-BU10B Network Extender in my home network. It works OK with a Pixel 2 phone. However, for the iPhone XR phone it worse than before the extender. The iPhone shows 4 or 5 bars when not making a call. Dialing #48 does say that the phone is under Network Extender coverage. However, when dialing, the call either does not go through or it drops down to 1 bar. The extender appears to indicate 1 connected user at first but then shows 0 connected users for the rest of the call. Additionally, when people try to call there is often no ring and also no missed call indicated. Below is some more diagnostic information: