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Call Blocking & Blacklisting Numbers: Why should you do it more often?



Call Blocking and Blacklisting Numbers

You know how irritating it is when we constantly call from spam numbers or unknown people. It doesn’t matter how many times you reject such calls. They repeatedly call you and frustrate you. 

This unwanted hustle is too annoying! And at the end, it lets you add them to your device’s call blocking & blacklisting numbers section. 

However, call blocking and blacklisting numbers seem similar because of their functioning procedure, RIGHT?

They are different; call blocking lets a telephone user block incoming calls from telephone numbers. Conversely, a blacklisting number is an index to the phone number you want to receive incoming calls. 

To know more, stick till the end!

What is Call Blocking?

Call blocking is a free call service that allows users to control their name and telephone number from emerging on other sets equipped with call displays. 

You can stop bots, spam callers, telemarketers, and other unpleasant numbers from reaching you with call blocking. Call blocking lets you block unbid calls and increase agent productivity

A call blocking feature can help you avoid people you don’t want to hear from or are irritated with the telemarketers or block certain people from reaching you by phone. Its features are not limited to these. 

There are comprehensive pros of call blocking.

To know, go through our next section: What benefits can your business get from the call blocking feature? 

What Benefits Your Business Can Get from the Call Blocking Feature? 

The different benefits that your business can get from call blocking are:

Block Every Kind of Number

It blocks any number, either spam calls, robocalls, or pushy sales telemarketers. It helps you block those numbers whatever the type of numbers they call from, i.e., local, international, or toll-free

Say “No” to Hidden Charges

Call blocking is free of cost, and it is an in-built feature of any device, and also, in some scenarios, you can get help from telephony services providers like KrispCall. So, you don’t have to worry about any investment. You can click on the block button to block the number of your device. 

Concentrate on Priorities 

Call block features to make you avoid unpleasant contact. There are VoIP call blockers in the market like KrispCall to help you out and enable you to concentrate on priority and allow you to get a greater calling experience. 

Save your time

Call blocking prevents you from bots, unsolicited sales telemarketers,s and other anonymous callers from wasting your hectic precious time. It not only saves your time but helps you increase your productivity without being stressed. 

What is Call Blacklisting?

Call blacklisting works as both a call blocker and an SMS blocker for unsolicited calls. It helps block calls and messages from unknown default numbers and even private, i.e., hidden, anonymous, or unknown numbers. 

Call blacklisting also lets you clear blocked call logs, and various types with rooted smartphones with the “Pick up then hang-up” option for blocking calls.  

Call blacklisting has some other impressive characteristics that can enhance your business. 

What Benefits Your Business Can Get from the Call Blacklisting? 

The benefits of implementing call blacklisting that can help your business are: 

Spam Blocking

We know how irritating it is when we get annoying calls, messages from anyone we don’t want to hear, some telemarketing, spam, and robocalls; if you feel the same, then call blacklisting is your best solution. 

It is an easy-to-use, lightweight, but powerful way of call and messaging blocking and adding them to the blacklisting. 

SMS Messaging

Call blacklisting provides full functionality to built-in SMS messaging. Your business SMS is easier to send, receive, and manageable. You can also handle conversations and block SMS spam using call blacklisting. 

Once you enable the SMS blacklisting feature of the call blacklisting, the apps’ built-in SMS messaging becomes available. 

Manages Blacklisted Contacts 

It is easier and simpler to add blacklisted contact numbers to the files, bring them in on another device, manage all unwanted numbers, and even more, its stay-away functionality makes spammers not reach out to you even from text messages.  

Why should you do Call Blocking and Blacklisting Numbers more often?

There are various reasons to block incoming calls from certain phone numbers, and for that, we use call blocking or call blacklisting.

It is valid when frequent calls create aggravation or disruption; call blocking and call blacklisting may be the only option to gain some quiet. 

Call blocking or Call Blacklisting can locate the numbers, including the telephone provider’s network, the subscriber’s Internet connection, the phone system, and the end device. 

When it comes to blocking or blacklisting calls, there are two types of lists: negative and positive.

Negative lists only prevent calls from specific phone numbers while allowing calls from all other numbers, and positive lists only allow calls from specific phone numbers. 

Call blocking or blacklisting numbers are delicate balancing acts to keep your phone number safe from scammers and spammers. 

Again, if you want to be sure, you know who is calling you or if you receive a call from an unknown number. 

Call blocking and Call blacklisting can put the number on a list that puts you in the middle of even more unpleasant calls, and you’re also assuring yourself that you won’t be disturbed by an icky ring when you’re working on something more important.

Also check out👉: How to Make a Private Call With Your Number on Any Phone?

7 Best Call Blocking & Call Blacklisting Cloud Tools

Call blocking and call blacklisting are intertwined and appear as a single functionality in today’s applications, and their function and work principles are considered the same. 

Hence, here are our top 7 best tools for call blocking and call blacklisting. 

1. KrispCall

KrispCall is an exclusive wireless, VoIP, landlines, wireline, mobile, and business communication call blocking platform.

They are a great example of software that doesn’t have to be complicated to be effective for anyone. It allows you to obtain international phone numbers from the comfort of your own home.

It helps you effortlessly manage your call logs, has call blocking, and call blacklisting. Its unified callbox monitors and handles business calls, recorded conversations, texts, and voicemails.

Features and benefits of KrispCall

It captures audio and screen activity associated with phone calls. It retrieves and evaluates the recordings of a conversation between a customer and an agent. 

Incoming calls are answered and distributed to a particular group of terminals within an organization.

The agents communicate in a polite way in which customers intentionally get their presence known to each other and get their attention in their respective order. 

It hosts accurate data to give a complete picture of the business and customers. It supports customer interactions, including phone calls, video calls, email.

Some Other features of KrispCall are as follows :

KrispCall provides services such as:

  • Linked up callbox
  • Call blocking 
  • Unlimited spam Detection 
  • Identifying Robocalls 
  • Phone trees(IVR) 
  • Shared numbers
  • Group Ringin 
  • Sequential calls
  • Unlimited Blocklisting

KrispCall Pricing 

KrispCall is made for their client’s solution with enhancing the efficiency, analyzing the workflow, increasing productivity, and providing full protection.

It is an integrated app providing services beginning from cloud services to call blocking or blacklisting. 

It provides Schedule Free KrispCall demo now, and its starting price is $15 a month per user.

2. AT&T Call Protect

AT&T call protect a call protector that protects information, provides mobile security, call protection service, call blocking, and other platform provider features. It also has a strong support webpage with instructions for blocking calls on various phone kinds.

Features and benefits of AT&T Call Protect

Its “Call Protect” features to stop fraud and spam call blocking apps for iOS and Android. This app is also provided to the family known as AT&T secure family, also on iOS and Android. 

For AT&T Mobility users, the basic version of Call Protect is free, and the carrier will automatically roll it out to new customers and add it to existing customers’ accounts. 

You can boost call protection for better caller ID and reverse number lookup functions.

Some other features of AT&T Call Protect

AT&T provides services such as:

  • Device security 
  • Identity Monitoring
  • Breach Reports 
  • Public Wi-Fi Protection 
  • Theft Alerts 
  • Safe Browsing 

AT&T Pricing

It’s AT&T Plus version of call protect with a more detailed caller ID, more refined call controls (blocking or sending to voicemail by caller category), reverse number lookup tool with 200 queries every 24 hours features is available for $3,99 a month. 

3. Truecaller

Truecaller app seeks to block spam phone calls and text messages. It identifies each incoming call, especially those from unfamiliar numbers; you can differentiate if the number is legit or not. 

It can prevent unsolicited calls automatically based on known spammers and numbers you manually add and can seek individual names and contact numbers to know more about them, and you also can call friends and other contacts directly from the app.

Features and benefits of Truecaller

You’ll observe that this application is jam-packed with features. That is, in some ways, to its detriment.

Its premium service includes social media-like features such as seeing who has viewed your Truecaller profile and getting a gold-colored caller ID icon that only other Truecaller members may see.

Thankfully, the essential functions (call blocking and caller ID) are available for free and perform admirably. The premium packages remove advertisements if you don’t like the ad-supported approach. Premium also includes a call recording option, which you can obtain for free with other apps.

Some other features of Truecaller 

Truecaller provides services such as:

Free version features 

  • Caller ID
  • Spam Call Blocking
  • Profile Creation 
  • Extensive and detailed call history 

Additional features for premium

  • Contact requests 
  • Incognito mode 
  • Call recording
  • Who viewed my profile 

Truecaller Pricing 

The essential app is available for free. Suppose you are truly interested in it and don’t mind ads. This app is ideal for you. However, you can get all ads and access more features mentioned above, switch to the Truecaller premium version at just $4.49 per month or $29.99 per year.

4. RoboShield 

Roboshield, a new launch in the market among spam blocking apps for iPhone and Android, has quickly differentiated itself as a highly effective tool for blocking unwanted calls. 

RoboShield comes with unique features that overcome every business suspect’s desirable privacy and security tools.

Features and benefits to RoboShield 

This software easily meets the person’s criteria and makes a noteworthy customer experience. The effectiveness of its spam-blocking tools makes it more purposeful and extraneous. 

It’s a Premium subscription to Hotspot Shield VPN, the high-protected password management tools, identity Guard, and identity theft protection service.

Some other features of Robosheild

Robosheild provides services such as:

  • Automatic Call refining
  • Hourly-updated spam database
  • Caller ID 
  • Account Management ItsServices 
  • Blocking Option 
  • Direct Voice mail 
  • Number lookup tool 

RoboShield Pricing 

The pricing of RoboShield results in a higher price than its competitors; however, it also gives vital cost savings if you’re already in the market for the tools that are part of its exclusive package. 

Robo Shield costs $12.99 per month, but it’s one of the best options for privacy-conscious users. 

5. YouMail Voicemail & Spam Blocker 

YouMail voice mail & spam blocker provides robocall blocking with its visual voicemail so a person can view any blocked calls for which the caller left a message. 

Its unique feature, such as spam blocking, matches numbers calling your phone against the unpleasant number database, and messages to spam callers on your behalf distinguish it from the crowd. 

Features and benefits of YouMail Voicemail & Spam Blocker

It protects every individual, enterprise, and industry from harmful phones with call protection service, detecting and helping to find the imposter that can lead to financial or business damage. 

It also figures out the origin, traverse, or terminates on the bad traffic network and robust telephone sensor network in identifying and providing zero-hour against illegal calling campaigns and cyberattacks. 

Some other features of YouMail

YouMail provides services such as:

  • 100 voicemail inbox limit 
  • 10 voicemail-to-text transcripts 
  • Unlimited customized voicemail greeting for your contacts
  • Robocall blocking pulled 
  • Has estimated 100,000+ known spam numbers from its database
  • Unlimited blacklisting  

YouMail Voicemail & Spam Blocking Pricing 

You can sign up for free with limited features such as monitoring incoming calls and deciding that provides an option to permit or block the number. 

It is also available on the paid version. The YouMail voicemail & Spam Blocking paid version is available at $3.99 per user/ month for the essential plan; it costs $10.99 per user/per month for the professional plan. 

6. T-Mobile Name ID

T-mobile Name ID, a.k.a Scam Shield, is an application that provides free blocking for postpaid T-Mobile and Metro customers. It can identify scam calls to prevent them from reaching you in both iOs and Android.

Its unique supportive features for iOS and Android identify scam calls to prevent them from reaching you. Its advanced caller ID feature than its flagship gives you more information about a call so you can figure out if it’s spam. 

A Number identifies a legal call Verified tag, while a possible spam call is identified with a warning.

Features and Benefits of T-mobile Name ID

T-mobile Name ID or Scam Shield offers you an additional proxy phone number if you don’t want to reveal your regular phone number. 

You can change your phone number once a year for free if used for spam. A spam counter keeps track of how many spam calls have been blocked.

Some other features of T-mobile Name ID

T-mobile provides services such as:

  • Advanced Caller ID
  • Dangerous Caller Identification 
  • Scam Call Blocking 
  • Direct-to-voicemail 
  • Self-selected Caller Categories 
  • Reverse phone lookup 
  • Network-based Call Blocking and Blacklisting.

T-mobile Name ID Pricing 

Its premium package hits at $4 per month after a 10-day free trial together with voicemail-to-text, the ability to create a blocklist or blacklisting, and more advanced features. 

7. Nomorobo Robocall Blocking

Nomorobo is the most underrated app for blocking unpleasant calls, but it has an entirely different world, making it a bad option. 

It also provides tough competition to the applications, as mentioned earlier, and especially for iPhone, it is one of the recommended applications for call blocking and blacklisting. 

They provide an extreme impression and response to its users with quick and helpful responses. 

Features and Benefits of Nomorobo Robocall Blocking 

Nomorobo allows you to choose between automatically banning robocalls and forwarding them to voicemail or just flagging suspected numbers as “Robocallers” when they arrive.

While assessing its execution with iPhone, Nomorobo is one of the best top spam blockers. 

Some other features of Nomorobo Robocall Blocking 

Nomorobo provides services such as:

  • Spam message blocking 
  • Spam call blocker
  • Phone number view feature
  • Ad Blocker
  • Anti-tracking for web browsing 

Nomorobo Pricing

It provides a free trial for 14-days and a premium of just $1.99 per user per month with the bonus of a great customer experience. 

Also Read: Best Apps to Text Someone Who Blocked You on Android & iPhone


Usually, phone providers provide call blocking and blacklisting features to prevent unlawful and unwanted calls from reaching your phone, and they sometimes restrict calls associated with suspicious calling patterns.

To stop suspected unsolicited calls, customers can change certain settings on their phone, join up for a third-party service, or download a third-party app like KrispCall.

KrispCall offers every phone carrier the option of registering in service or downloading an app to block additional inconvenience calls.

It is also available for mobile devices that you can download for free or for a small fee to block or mark suspected spam calls. 

You can use it with your wireless device, landline, or built-in tools to prevent unwanted calls from certain numbers using the Krispcall settings, in addition to call-blocking and blacklisting services.

To learn more about the blocking and blacklisting solutions that may be available to protect you from unsolicited and unlawful calls, contact our telephony customer service providers. 


Are call blocking and call blacklisting the same?

Yes, there are the same and interchangeably across the email industry. Around the 2000s, they were used as separate terms. However, today’s they are indicated as one.

What is called blocking or blacklisting?

The Call blocking or blacklist is a collection of phone numbers you do not wish to receive calls. Add a phone number to the list to prevent a call.  Contacts who have been placed on the blacklist will no longer contact you. You can add numbers to the blacklist manually or through your phone’s contacts.

What happens when you put a phone number on blocking or blacklist?

Put, if you block a phone number, that caller will no longer be able to contact you. They can’t send you incoming texts from the number because you’ve blocked it. On the one hand, the spammer will receive your text messages but won’t respond.

Is it possible to track a phone that has been blacklisted?

The IMEI number gets blocked across the country once you report it stolen. Suppose a phone with an IMEI on the black list is used to call and will notify the police right away. If the phone is up for resale or reset, there’s a risk they’ll track it.

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Dinesh Silwal

Dinesh Silwal is the Co-Founder and Co-CEO of KrispCall. For the past few years, he has been advancing and innovating in the cloud telephony industry, using AI to enhance and improve telephony solutions, and driving KrispCall to the forefront of the field.

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