How to Stop Spam and Unknown Callers on Messaging Apps

5 min read Learn how to stop spam and unknown callers on WhatsApp and Telegram using native privacy settings to filter out robocalls and junk messages. July 24, 2026 07:34 Stop Spam and Unknown Callers on WhatsApp and Telegram Easily

Unsolicited automated calls, crypto investment scams, and persistent marketing bots have transformed instant messaging platforms into a battlefield for user attention. If your phone vibrates constantly from unfamiliar international country codes or random group invites, you are far from alone. Fortunately, reclaiming your peace of mind does not require deleting these essential communication tools. Both major platforms offer powerful native defenses designed to silence unwanted interruptions automatically. Here is a practical guide on how to stop spam and unknown callers on WhatsApp and Telegram using built-in privacy controls.

  • Silence ringers from unfamiliar numbers without missing actual messages.
  • Restrict who can add your account to random promotional groups.
  • Block automated chat requests on Telegram using advanced privacy filters.

Silencing Unknown Callers on WhatsApp

WhatsApp includes a dedicated setting designed specifically to eliminate noise from unfamiliar contacts. Instead of ringing your device, incoming calls from numbers not saved in your address book are routed directly to your call log silently.

How to Enable the Silence Feature

  • Open WhatsApp and navigate to Settings.
  • Tap Privacy and select Calls.
  • Toggle on Silence Unknown Callers.

Silenced calls will still appear in your Call tab and notifications, ensuring you never miss a legitimate communication from a delivery driver or business contact.

Stopping Unwanted Group Invites and Spam Messages

Spammers frequently harvest phone numbers from data breaches and add thousands of users into mass promotional groups. You can easily shut down this vector by tightening your group permission settings.

Restricting Group Additions

In your WhatsApp privacy settings, select Groups and change the access permission from 'Everyone' to 'My Contacts' or 'My Contacts Except...'. This prevents automated accounts from pulling you into junk group chats without explicit permission.

Filtering Unknown Calls and Bots on Telegram

Telegram operates differently due to its public handle system, making users prone to targeted messages from random users. However, its privacy architecture provides granular control over who can ring your account or send direct media.

Securing Telegram Voice and Video Calls

  • Go to Settings and tap Privacy and Security.
  • Select Calls.
  • Set 'Who can call me' to My Contacts or Nobody.

Additionally, navigate to the Groups & Channels section within Privacy settings and restrict invite permissions strictly to your saved contacts. This stops unknown accounts from adding you to crypto trading channels and fake giveaway groups.

Reporting and Blocking Persistent Spammers

While preventative settings block notifications, reporting offender accounts helps platforms ban spam networks faster. Whenever a suspicious message bypasses your filters, avoid clicking links. Tap the user profile, select Report, and check the box to block the contact permanently. Taking these simple steps ensures you effectively stop spam and unknown callers on WhatsApp and Telegram while keeping your daily digital communications quiet and secure.

Have you noticed an increase in automated spam calls lately? Which privacy settings worked best for you? Share your experience in the comments below!

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