In the latest Xcode 14.3 and iOS 16.4, we are using mobile phone information to prevent voice phishing. Is there a Class or Method in the Apple library that can check carrier information?,subscriberCellularProvider, serviceSubscriberCellularProviders ▿ Optional some : CTCarrier (0x161a71850) { Carrier name: [--] Mobile Country Code: [65535] Mobile Network Code:[65535] ISO Country Code:[--] Allows VOIP? [YES] } Carrier name, ISO Country Code code is displayed as "--" with this unknown information. Is there a way to check it normally?