PROTECTION

March 5, 20263 min read

Block Unwanted Calls: 7 Proven Methods to Stop Phone Spam

HUHU.frHUHU.fr Editor

Tired of constant spam calls? Learn 7 proven methods to block unwanted calls on any phone, from built-in settings to powerful apps. Take back control of your phone today.

Block Unwanted Calls: 7 Proven Methods to Stop Phone Spam

Your phone rings for the third time today, and once again it's an unknown number. You're not alone: billions of unwanted calls are made each year. The good news? Effective solutions exist to block unwanted calls and reclaim your peace.

Why Do You Receive So Many Unwanted Calls?

Types of Phone Spam

Telemarketing – Sales calls
Wangiri scams – One-ring callbacks to premium numbers
Vishing – Voice phishing
Robocalls – Automated messages

How They Get Your Number

Online forms
Purchased databases
Data breaches
Public directories
Random generation

Do-Not-Call Lists

Block Calls on Your Smartphone

iPhone

Settings > Phone > Silence Unknown Callers

Android/Samsung

Phone app > long press > Block/Report spam

Best Free Spam-Blocking Apps

Orange Téléphone – Works for all carriers
Truecaller – 400M users worldwide
Hiya, Should I Answer – Privacy-focused alternatives

Landline Protection

Contact your carrier for anti-spam options. Hardware blockers cost €50-150.

Report and Take Action

Report spam to official platforms. Companies face fines up to €375,000.

FAQ

Is it legal to block unknown callers?

Yes, completely legal.

Can mobile numbers be spam?

Yes, increasingly common.

About the Author

HUHU.fr

HUHU.fr Editor

Everything you need to know about telephony for your sales teams. We strive to provide as many articles as possible to support your commercial growth.

Articles in Protection

Protection

Successful vishing or credible attempt: what alert order between 33700, PHAROS, your operator and 17Cyber?

The right response depends on the channel, the loss and the evidence available. Here is the alert order to use after a fraudulent call.

Sep 13, 20265 min

Protection

Voice OTP, security callback, two-factor authentication: how to tell a legitimate call from vishing

A real OTP does not prove a call is legitimate. Here is how to separate a normal security flow from vishing before you approve anything.

Aug 11, 20265 min

Protection

Fake bank advisor: 8 checks before you call back or approve a transaction

With a fake bank advisor, the right move is not speed but control. Here are 8 practical checks before any callback, SMS code, or transaction approval.

Jul 9, 20267 min

Protection

33700 and voice spam: how to report a fraudulent call through the right channel

33700 is useful for reporting some suspicious calls and text messages, but not every case. Here is when to use it, when Bloctel is more appropriate, and when to escalate to your carrier, PHAROS, or a police report.

Jul 5, 20265 min

Protection

Voice cloning: 8 checks to verify a call is really human

With voice cloning, a familiar voice is no longer enough. Here are 8 practical checks to verify a call, break urgency, and avoid fraud.

Jun 5, 20267 min

Protection

J'alerte l'Arcep, 33700, Bloctel: which reporting channel fits which kind of spam?

Bloctel, 33700, and J'alerte l'Arcep do not serve the same purpose. Here is which channel to use for telemarketing, smishing, or a broader operator issue.

Jun 1, 20266 min

Recommended Articles

Tools

Truecaller, Hiya, Orange: Which Anti-Spam to Choose?

Which phone anti-spam to choose? Complete comparison of Truecaller, Hiya and Orange with pros, cons and recommendations for your needs.

Jan 16, 20265 min

Trends

SMS Spam: Why Scams Are Moving from Phone Calls to Text Messages

Phone spam is declining, but a new threat is emerging: SMS spam. With a 2534% increase in 2025, smishing has become scammers' preferred channel. Here's why.

Mar 27, 20265 min

Tools

Top 10 Tools to Check If a Number Is Spam in 2026

Truecaller, Hiya, Tellows, reverse directories... Discover the best free and paid tools to identify spam numbers in 2026.

Jan 7, 20264 min

Case studies

International callback, French number, travelling customer: how to avoid a spam false positive

A customer can travel with a French number without making an international callback suspicious by default. Here is how to separate a real travel context from a fraud or spam signal.

Aug 25, 20266 min

leads

How to Build a Lead Provider Scorecard That Procurement, Marketing, and Sales Actually Accept

A strong lead provider scorecard does not compare price alone. It aligns compliance, traceability, delivery, CRM integration, and sales performance so procurement, marketing, and sales can make the same decision.

Aug 26, 20266 min

Regulations

Legal Telemarketing Hours in France 2026: Complete Compliance Guide

Legal telemarketing hours in France: 10am-1pm & 2pm-8pm slots, 4-call rule, and penalties up to €375,000. Stay compliant in 2026.

Jan 22, 20262 min

Protect your numbers now

Monitor your number reputation and anticipate blocks before they impact your conversions