If you don't want people to know you're calling, you can hide caller ID by blocking your own number on both landlines and ...

WhatsApp has introduced a new feature that lets you make calls without saving the number in your contacts. If you often need to call someone just once or don’t want to clutter your contact list, this ...

You can't know for sure if someone has blocked you on an Android without asking the person, but there is a method you can use ...