180 - Caller ID & Block is an application for iPhone and Android that lets you filter calls and messages by their source. You can also set it to show you only the calls and messages that are from your contacts, family, or friends.

How to set it up

1. Install the application

2. Set it up as you like

3. If you want to show all unknown calls and messages, you can turn off the "Block unknown numbers" option.

4. If you want to show only telemarketing calls, you can turn off the "Block all sales and marketing numbers" option.

5. You can use the app to show you only calls and messages from your contacts, family, or friends.

To call or message a number, you need to enter the phone number you want to call, or send a message to. The application will then search for the number and show you the result.

If you want to add a contact to your list, you need to select "Add contact" and enter the phone number you want to add.