caller id
In Italian, 'identificatore del chiamante' refers to the feature on a telephone or mobile device that displays the phone number or name of the person calling. It is commonly used in everyday communication to help the recipient identify who is trying to reach them before answering the call.
To know who is calling, check the caller ID.
This phrase suggests checking the caller ID to identify the person making the call.
The caller ID can help you avoid unwanted calls.
This sentence indicates that the caller ID can be a useful tool in screening calls and avoiding spam or unwanted communications.
I recognized the number thanks to the caller ID.
In this example, the speaker mentions that they were able to identify the caller based on the number that appeared on their caller ID.