What happens when you block a number on android?

Have you ever thought about what happens when you block any number from your android device? We are going to talk about it. Please keep reading to know everything about it.

Introduction

We take a lot of calls and SMS daily. The invention of the telecommunication devices makes the world smaller. They make our life easy and efficient. As the development took place, the technology behind telecommunication also changed. From the phone on the table to cell phones to smartphones. Telecom has seen many revolutions.

As everything has two parts, a good and a bad. As this technology made our life easy, this technology has also disturbed us some time. Spam calls or messages. We needed to sort them. Then came the option to block someone. We can block someone’s number so that they can stop annoying us. This is how we see in the front end, but have you ever wondered what happens in the back. How does this blocking system work? Today we are going to talk about it. But before going in detail, let us see the basics of blocking.

What is blocking?

We all know what locking is, however, for those who don’t know what blocking is let us talk about it. Blocking is a function that enables the user to block any number from their device so that the person who owns that number can’t annoy them. The blocking service was introduced in late 2005’s. There is a different kind of block. We will talk to them further. If you want to know how to block a text message, you can read it.

Benefits of blocking

  • The main benefit of blocking is that stop someone to annoy you.
  • You can also get rid of the calls from the spam callers and messengers who call you for credit card and all.
  • You can also get rid of the telecommunication company messages about their packs and plans.

 Disadvantages of blocking

  • We did not fount any disadvantages of blocking as such, and it was only made to get an advantage. However, the only issue or you can’t call it the issue is that you will not get any calls from the number you have blocked. If they need you in any situation, they can’t get to you.

Types of blocking

 There are mainly three kinds of blocks. 

  1. Call Blocking: If you want to block any number to stop calling you, you can use this method to block that number. There are several ways to block a number from calling. The first is from the device itself, second is the using the third-party apps, and the last is by the service provider. You can opt-out of any of the three methods to block a number. The first two methods are reversible; however, the last one is not.
  2. Message Blocking: If you want to block any number to stop message you, you can use this method to block that number. There are several ways to block a number from calling. The first is from the device itself, second is the using the third-party apps, and the last is by the service provider. You can opt-out any of the three methods to block a number. The first two methods are reversible; however, the last one is not.
  3. Blocking From IM services: The last one is blocking someone from the IM service you use. We use services likes Whatsapp, Telegram, and many more. There are some people over there who annoy you. They can also be blocked. You have to block from each of the IM service application to stop them from annoying you. The blocking settings are available in the settings of the application.

Now we have seen the basics of blocking. Now let us see what happens when you block a number on android.

What happens when you block a number on android?

In this section, we are going to know the backend of the blocking system. We will see all the types of blocking taking place in the backend.

In this section, we are going to know the backend of the blocking system. We will see all the types of blocking taking place in the backend.

What happens when you block a number
What happens when you block a number

Call Blocking

The first thing we are going to talk about is the call blocking. We will see what happens when we block a number for calling.

  • When we block a number using the inbuilt app provide by the android when the call reaches to our device, the device registers the number. Then search that number in the contact database; if it is found there, it checks for the name then check in the call blocking database that weather that number is present in that or not. If the number is present in the list, then the call automatically gets rejected.
  • When we block the call using the third-party apps, then when the calls come in, the device registers the number, checks for the contact database if found then collects the name for the contact. Checks for the blocked list if found the call gets rejected. If not, then the call is passed to the third-party app where the app check-in its database for the blocked contact if found, then the call gets rejected.
  • The last one is the call blocked by the service provider. When someone calls you, then a database in the service provider checks for that number verifies it’s detailing. Then the database checks for the number if it is blocked by the number which the number is trying to contact; if the number found in the data, the call gets dropped, and the caller receives a busy tone.
  • However, in the other two methods, you will get the notification, but in the last way, you will not get any notification.

SMS Blocking

The next thing is SMS Blocking. We will see what happens when you block any number for SMS. 

  • When you block any number for SMS using your in-built device settings then when any SMS arrives in your device the device registers the message and then it checks in the database for the sender’s contact details, if found then it caches the sender name and then checks for the blocking database and if the number is found in that database, then the message is saved to the spam folder. You can access the message anytime.
  • When we block any number for SMS using the third-party apps then, when the SMS comes to the device registers the message and then it checks in the database for the sender’s contact details, if found then it caches the sender name and then checks for the blocking database and if the number is found in that database, then the message is saved to the spam folder else if it is not found then the third-party app checks the sender details in the database if the details matches then the message is saved in the spam folder of the blocking app. Still, you can access the SMS.
  • The last thing is the SMS Blocked by the service provider. If you block the SMS from a specific number from the service provider, then whenever you get any message, the service provider database filter that sender from the blocking list. If the sender’s number is found in that database, the SMS will not be delivered to you. You will get no notification for that message.

IM service Blocking

There is not a lot to talk about IM service blocking. This is quite easy. We are taking the example of Whatsapp. When you block any number on WhatsApp, the same settings get updated in the Whatsapp’s central server for your account. 

Now the number you have blocked will not b able to see any of your display photos or story. They surrey bot be able to text or call you. You can unblock them again to get texts and calls from that user.

Whenever you block someone for SMS or Call, they surely won’t be able to contact you; however, you can contact them anytime you want.

Conclusion

We have talked about blocking a number on android. We have also seen what happens when we block a number on android. I hope you got all the information you needed about the blocking. I hope you liked the post.

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