Not to be disturbed by call centers on smartphones

By subscribing our number to various services and apps, we risk finding ourselves numerous advertising sales calls (the famous call centers), which make us waste time and patience so much that it is now almost impossible to politely decline every offer.

Blocking these types of calls has become increasingly difficultgiven that the phone numbers are generated randomly with each call: it is therefore not possible to use apps that filter calls, since the new numbers will pass through anyway.

In the following guide we will show you how to stop being called by call centers effectively, also giving up the possibility of being contacted by unknown but legitimate numbers. To avoid this scenario, we will also suggest how to proceed if we must necessarily receive calls from unknown numbers and we cannot apply a global filter for all incoming calls.

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1) Block call centers on Xiaomi

On many Android phones (such as the Xiaomi) have a programmable call filter, capable of block any calls from numbers not included in the phone book.

Although this system may seem excessive, it is currently the only effective and safe way to block call center callsincluding those that use random numbers on each call.

To activate this filter on Xiaomi phones, open the app Safetywe press on the menu Block listpress the bolt icon at the top right, press the Call block list menu and activate the switch next to the items Block calls from strangers e Block calls from numbers; returning to the previous menu, we advise you to change the item as well Blocklist notificationssetting this item to May.

From now on we will receive only calls from numbers in the directory, blocking any calls from call centers in the bud; opening the menu Block list we can check the blocked numbers during the filter action and, in case of error, press on the number and then on Unlock to unlock it.

Obviously this filter is very selective and will also block any legitimate unknown calls: it is therefore very important to add the numbers of trusted people or services from which we often receive calls in the address book before activating the filter.

2) Block call centers on other Android smartphones

If we don’t have a Xiaomi phone, we can still block calls from strangers by downloading the app Google phone ed installandola come new call dialer.

After downloading the app, start it, provide all the necessary permissions, press the three dots at the top right, press Settingswe open the menu Blocked numbers and activate the switch next to the entry Unknownso as to activate a filter very similar to the one seen on Xiaomi phones.

3) Block call centers from iPhone

On the iPhone, the procedure for blocking all unknown calls (and thus blocking call centers forever) is identical on any iPhone model still supported by Apple.

To proceed, open the app Settingsscroll down to the menu Telephonewe press on the item Mute unknown numbers and activate the switch on the screen, so as to activate a call filter that is very effective in blocking call centers and advertising calls.

4) New number reserved for real calls only

If we receive many calls from unknown numbers and/or we don’t want to lose the possibility of receiving calls from couriers and services to which we are registered, we will inevitably have to get a new phone number and pair it with a phone dedicated only to legitimate calls.

In this case it will be enough to choose any convenient phone operator (such as Iliad, Fastweb, Ho Mobile or similar), insert the SIM on a disused or old phone and use this number only for couriersfor banking services, for postal services or for work.

We carefully avoid entering this number for new discount cards or for new points cards (Conad, LIDL or similar). we avoid putting it on websiteson social networks, in apps and in any service where you can log in with your phone number.

This is necessary because the use of the number in the chosen service is subject to the associated privacy legislation and many times (without the user realizing it) it comes authorized to use the number for commercial purposesending up in ready-to-use lists for call centers.

The golden rule is: the less we use a phone number on the Internet or around the shops, the more likely we are not to receive advertising calls.

Conclusions

Defeating the new call center strategies has become very difficultsince older call filter apps (like TrueCaller) are no longer effective since the introduction of outgoing telephone number generators (active in all call centres).

The only truly effective way to stop being called by call centers is avoid entering the number in apps, services, sites and online and live shops; if our number is now “burned” and we receive too many calls we will necessarily have to activate the filter for all unknown numbersthe only really effective method to block commercial calls, even at the cost of missing some important calls.

To learn more, we can read our ai guides best modems with blocker of unwanted calls come on how to find out who owns the phone number that called us.