(I work for a company that provides guest WiFi services in public spaces.)
It's usually not that those specific services are whitelisted, but that a number of hostnames have to be whitelisted for the user experience. Sometimes, those hostnames include those types of services, depending on the phone, OS, carrier, etc.
It's usually not that those specific services are whitelisted, but that a number of hostnames have to be whitelisted for the user experience. Sometimes, those hostnames include those types of services, depending on the phone, OS, carrier, etc.