How Can We Chat With Unknown Number On WhatsApp?? Is It Possible?

[Shivam adhvaryu]

So if i haven't saved my friend's number on my cell and he also haven't saved my number on his cell but if we both have each others number.. Can we chat with each other on WhatsApp without saving the number?? Thanks for help

[Choice]

For sending message on the Wats app it's important to save number on the contact list. But for receiving message, it is not necessary. The person who first want to initiate chat had to save the number, while the second person need not to..