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Blacklist (SMS)

In telephony, a blacklist is a list of recipients that users can create to block those senders from whom they do not want to receive calls and/or SMS and whom they consider to be SPAM.

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It is a feature included in all devices that allows you not to have to deal with unwanted calls and SMS that you have not authorised or that you do not want to receive. Although the sender will be able to send the message or make the call normally, the recipient's device will block its reception and the call or message will go directly into the SPAM folder without the recipient being notified.