How to Block VoIP Calls on Android

Learn how to block VoIP and internet calls on your Android device with these easy steps. Prevent unwanted calls and spam.

What are VoIP Calls?

VoIP (Voice over Internet Protocol) calls are phone calls that are made over the internet, rather than traditional phone lines. Examples of VoIP services include Skype, WhatsApp calls, Facebook Messenger calls, Google Duo, etc.

While VoIP services provide a convenient way to make inexpensive calls, they can also be used for unwanted spam calls and robocalls. Blocking VoIP calls on your Android phone can help reduce these nuisance calls.

How to Block VoIP Calls on Android

Here are a few simple methods to block VoIP calls on your Android device:

Use a Call Blocking App

Install a call blocking app like Truecaller or Hiya to automatically detect and block spam calls. These apps maintain a database of known spammers and robocallers to prevent their calls from reaching you.

Block Calls from Specific Apps

Go to Settings > Apps & notifications > Advanced > App permissions > Phone > Blocked numbers. Here you can select apps like WhatsApp, Skype, etc. and block all calls from them.

Enable Do Not Disturb Mode

Activate Do Not Disturb mode on Android to mute all calls, except those from contacts you select. This prevents unwanted VoIP calls from disturbing you.

Block Calls from Unknown Numbers

Go to Settings > Blocked numbers > Block unknown callers to automatically block all calls from numbers not in your contacts.

Pros of Blocking VoIP Calls

  • Prevents spam and robocalls
  • Increases privacy and reduces interruptions
  • Better call screening
  • Saves time by reducing unwanted calls

Cons of Blocking VoIP Calls

  • May miss important calls if number is not properly configured
  • Blocking calls from apps prevents even wanted calls
  • Privacy settings require more management
  • Requires third party apps in some cases

Frequently Asked Questions

How do I unblock a number that was accidentally blocked?

Go to Settings > Blocked numbers and remove the number you want to unblock. You can also uninstall or disable the call blocking app blocking that number.

Will blocking VoIP calls also block my incoming calls?

Blocking all VoIP calls will block wanted incoming calls made to you as well. Enable blocking only for specific apps or numbers to still receive expected VoIP calls.

What happens when I block a phone number on Android?

Blocking a number on Android prevents any calls and messages from that number from reaching you. The caller will hear a disconnected tone or get a message that the number is unavailable.

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