Internet, Wi-Fi and phone
ACR
Abbreviation for Anonymous Call Rejection
In short and in plain language
ACR is a feature from your phone provider.
It blocks calls that do not show a number.
Depending on the provider, you can turn it on in the customer portal, for example.
Definition
ACR is a function offered by the phone provider that rejects calls without a displayed number. Depending on the provider, it can be switched on in the customer portal, for example.