What are the free SMS softwares for telecom mobile phones?

Yixin Yixin is an instant messaging software jointly developed by Netease and China Telecom, which can really chat for free. Its unique functions such as free telephone calls, high-definition chat voice, free massive expression mapping, free short messages, telephone messages and so on make communication more interesting. E-mail supports cross-communication operators and cross-mobile operating system platforms. It can make free phone calls and send free text messages to contacts, send phone messages to mobile phones or fixed telephones, and send voice, video, pictures, expressions and texts to friends. In addition, you can take photos to record your life, upload words and pictures, and share your current situation with your friends through "friends circle". Click on "official website" Customer Service 2 17 below for more service offers.