How to Block Unwanted Calls

If you’re trying to keep your cell phone number secret but still receive calls from unknown numbers, it can be frustrating, especially when you’re worried about your phone number being added to an unknown list. without even knowing it. Depending on the phone model you use, there are several ways to block or prevent unknown numbers from calling.

Table of Contents

Block Calls on Android Phones and Apple iPhones

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Download call blocking app on Play Store. Android users have a lot of tools to get rid of unwanted calls, which are the following apps:

Call Filter, an extremely popular and completely free call blocking application. ^{[1] X Research Source}
DroidBlock, another Android app that helps you to get rid of unwanted calls and is also free. ^{[2] X Research Source}
Always remember that call blocking apps work depends on many things, and not always effective.

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Disturb calls go directly to voicemail. Some Android phones have this option, which allows you to check your voicemail and identify the intruder or any unwanted calls to block. ^{[3] X Research Source} To directly block an intruder’s number: ^{[4] X Research Source}

Add the harasser’s number to the contact list.
Press the Menu button and select Options.
Enable “Incoming calls/Send calls directly to voicemail” option.
Add any disturbing numbers to your contacts and they’ll be sent directly to voicemail. After being ignored for a few calls, hopefully the annoying person will understand and stop calling.
If you want to block calls based on a phone number but don’t want to add that number to your contacts, you can install an intermediary app like Mr. Number. Mr. Number is a free Android app that you can download from the Play Store. ^{[5] X Research Sources}

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Jailbreak Apple iPhone to enable call blocker. Jailbreaking or hacking an iPhone ^{[6] X Source of research} is relatively easy and doesn’t break the law, but it does void Apple’s warranty. ^{[7] X Research Sources}

After jailbreaking your phone, you can download and install iBlacklist. With iBlacklist, you can select the phone number you want to block or manually add the number to be blocked to the blacklist.

Call Blocking on All Phone Models

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Use Google Voice. Blocking calls with Google Voice is quite simple because the program offers the option to direct annoying calls to voicemail, default all calls from that number as annoying calls, or block them permanently. To block calls on Google Voice do the following:

Sign in with your Google Voice account.
Find the call you want to block, or the voicemail from the disturbing phone number.
Check the box next to the call or voicemail list.
Click on “more” under the call.
Select “Block Caller”.
If you don’t have a Google Voice account but you live in the US, you can sign up via the following address: https://www.google.com/voice/b/0?pli=1#history.
You don’t need to change your phone number to set up your Google Voice account to block calls because you can set it up to work like voicemail. ^{[8] X Research Sources}

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Buy TrapCall. TrapCall is an inexpensive service to blacklist any annoying callers, view blocked calls so you always know who’s calling, this service is compatible with all phones. ^{[9] X Research Source}^{[10] X Research Source}

TrapCall also records and bans unsolicited call messages.
With only 100,000 VND a month, you can use TrapCall’s basic service to ensure that annoying calls will not continue.

Contact the Network Operator and the Department of Information and Communications

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Let your carrier know that you’re receiving a lot of annoying calls. Your carrier will be committed to keeping your mobile phone secure, preventing unwanted calls from continuing. ^{[11] X Research Source}

Your carrier may suggest you use a call barring service. Depending on the carrier, this call barring service may be considered Parental Controls .
Mobifone operator provides a pretty good Call Barring service with two modes of White list and Black list. The fee is only 9000 VND / 1 month and automatically renews every month.
VinaPhone operator provides Call Blocking service that allows all subscribers the right to Block, Transfer, Receive the calls they want anytime, anywhere. Service price is 10,000VND/month.
Viettel operator provides All Blocking Call Blocking service that allows mobile subscribers to block incoming calls and messages of 1 or more different phone numbers according to the Black List that the customer has registered. The price is also similar to other carriers and depends on the service you sign up for.
Vietnammobile operator provides Call Blocking service that allows to block incoming calls of 1 or more different phone numbers. Translation price: basic package (block up to 10 phone numbers): 6000 VND / 1 month, VIP package (unlimited phone numbers): 9000 VND / 1 month

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Complaints to the Department of Information and Communications. If the disturbing call becomes unpleasant and harassing, complain the number to the Department of Information and Communications. Government Decree 142/2004 states the following: ^{[12] X Reliable source Federal Communications Commission Go to source}

A fine ranging from VND 5,000,000 to VND 10,000,000 shall be imposed for using telecommunications services to threaten, harass, insult the honor and dignity of others or affect the operation of the agency. organizations and individuals but not to the extent of criminal prosecution.
The harassed person can report (directly or indirectly by phone, in writing or email) to the telecommunications enterprise of which he is a customer (subscriber) or send a complaint to the Department of Information and Communications. local communication to request settlement.
Telecommunications enterprises, when receiving complaints and denunciations from customers about phone harassment, need to monitor, check, verify and request the subscriber owner to immediately stop the harassment. If the tenant reports harassment intentionally violates, that business stops providing the service, and at the same time reports the results to the local Department of Information and Communications of the complainant, the harasser to handle violations according to regulations. determined.
If the harassed and harassed subscriber belongs to different networks, the settlement unit shall coordinate with the relevant telecommunications enterprises to handle it.

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Sign up for the “Please-Don’t-Call” service. In the US, the Federal Trade Commission (FTC) offers a free service called the National Please Don’t Call Directory. You can register for landlines, mobiles, and handsets. ^{[13] X Research Source}

You can register by phone or online. You need your email address to confirm when you register online.
Please refer to the online tutorials for more information on how to use the service.
After registering, if any object calls or texts harassing you, you can complain.
You need to prove that the person and you have no previous relationship, you are still receiving pre-recorded calls, paid text messages and 9pm star calls. All of the above cases will be carefully considered by the FTC, the person who calls you to disturb you without your permission will be responsible for their actions. ^{[14] X Research Source}
Be sure to note down the call time and phone number of the pester to complete the complaint.

Advice

Try to keep cell phone numbers secret.
Never answer calls or texts from unknown numbers. Once you confirm that your phone number is still in use, the harasser will continue to harass you and you may even have your phone tapped.

Warning

If you receive automated calls, refer to the articles online for details on how to report illegal automated and promotional calls.

Steps

Block Calls on Android Phones and Apple iPhones

Call Blocking on All Phone Models

Contact the Network Operator and the Department of Information and Communications

Advice

Warning

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