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With an ever-increasing adoption of digital transformation, access to personal data is easier than ever. One of the cons of this approach is easy access to your personal phone numbers. It can be used by individuals for annoying marketing phone calls, potentially cause scam processes, and just disturb the peace of your daily life.

This article explores the methods to selectively block incoming calls. It helps you solve problems like blocking a call from a specific number, blocking all the calls except contacts, or blocking incoming calls except from the selected contacts.

Quick View: Methods to Block Unwanted Incoming Calls

For personal usage

For personal setups, you can make use of the following methods:

• Use phone settings – It helps block all the unknown incoming calls.
• Use Do Not Disturb mode – It helps block all incoming calls except from those of the contacts or selective contacts.
• Use third-party apps – They help define selective area codes and phone extensions to define the list of blocked numbers.

For business usage

To make selective blocking of calls in a business environment, utilizing a Mobile Device Management (MDM) solution is an effective choice. This allows you to define the set of rules to ensure the abidance of the organization's security infrastructure. And enterpise can configure incoming call settings based on need.

For both personal and businesses?

If your usage expands over business and personal, reaching out to a mobile carrier to block certain numbers is the key.

Block Incoming Calls Through Phone Settings

This section covers the steps of blocking calls from a certain number(s) and blocking all unknown incoming calls. Note, that the steps are mentioned considering Redmi as an example. However, the options and steps remain almost similar for other devices as well.

To block incoming calls from certain numbers, follow the steps below:

Additionally, to block all incoming calls from unknown numbers, follow the steps below:

How to Block all Incoming Calls Through Do Not Disturb

The Do Not Disturb (DND) mode is another effective way of blocking all incoming calls. In addition, you can also set a list of contacts to except from the blocking.

The steps are as follows:

How to Block Incoming Calls for Business Purposes?

Android mobile device management (MDM) is another good option to block incoming calls on Android devices. Due to its ability to make devices compliant, the call blocking feature will be enforced on devices and required IT admins to remove it. Moreover, Android MDM is available for these configurations:

• SIM Card Binding Settings: assign ICCID; and when the device SIM card does not match, the calling function will be disable.
• Allowed Numbers: customize phone allowlist for each device or bulk devices; configure blocklist for incoming calls or outcoming calls.
• Contacts: add contacts or upload files.

So, how to use MDM to block incoming calls on Android? To do so, follow the steps below:

Block Incoming Calls Through Mobile Carrier

If you intend to block incoming calls from a specific number, reaching out to a mobile carrier is also an option. Certain popular mobile carriers are already taking measures to block fraud and spam calls. On top of these are Verizon and T-Mobile whereas the Google phone application also does the same.

While opting for blocking calls via mobile carrier, here are some things to consider:

1. Don't worry about any sort of message or alert being sent to the user about number blocking. Mobile carriers do not generate any alerts in such scenarios.
2. Mobile carriers are open to consider your requests as it helps them offer better customer service. Therefore, don't be reluctant to make a request.
3. You can also request the blocking of numbers for a set time period as some mobile carriers allow this service.

Related Questions

This section covers the answers to some of the common questions when it comes to blocking incoming calls.