Internet, Wi-Fi and phone
Third-party block
In short and in plain language
The third-party block is a block set by your phone provider.
Other firms then should not charge things to your phone bill.
This covers things you buy or sign up for.
Often you can set it up in the customer portal.
Definition
The third-party block is a setting with the mobile provider. It is meant to stop other companies from charging purchases or subscriptions to the phone bill. Depending on the provider, it can be set up in the customer portal, for example.