How to send short messages cheaply on telecom cards?

Telecom card is a cheap way to send short messages, which uses telecom wing chat software to send free short messages. According to the public information about the query, Wing Chat is a completely free chat software. It can send all kinds of messages, such as short messages, voice messages, graffiti, rich expressions, photos or pictures, videos, DIY greeting cards and so on, to any mobile phone user (including mobile Unicom telecom users) with a small traffic fee. Wing Chat provides a powerful public address book function. When installing Wing Chat, users will find that old friends who have not seen each other for many years can also be found out through the public address book. When you need to contact, make a phone call or send a text message, just press a key, and the key messages and pictures are still free.