Should a SIM Card and Cell Phone Produce an Authorization Response after Recieving “401 Unauthorized”?
问题 I am trying to use FreePBX 13 (a GUI version of Asterisk) to create a mock VoLTE network with our cellphones (an iPhone 6S+ and an LG G3 VS985). FreePBX has been set up as such: FreePBXForums: Using FreePBX 13 with a Mock Cellular Network At the moment, we are able to register and make calls with computer clients, but the UEs (aka the cellphones) fail to register because of a "realm" mismatch among other things. Because of this I have a couple questions: If a client (even a UE) recieves a 401