Is it necessary to use traffic when sending text messages by Fetion? Or what?

Fetion, like QQ, is also a platform for chatting and making friends. The difference is that Fetion was developed by China Mobile and can only be used by mobile users. The incoming signal is also the mobile phone number. And add friends. If a friend is not online, the message will be sent to the other party's mobile phone in the form of SMS. Want traffic, the more you send, the more traffic! There is no need to pay other fees.