How to charge for China Telecom's converged SMS?

3 yuan/Monthly Telecom Integrated Short Message Service. Converged short message service is a voice short message service for fixed network users. Through the integrated SMS platform, fixed-line users and mobile phone users or other fixed-line users can send and receive voice messages to each other; At the same time, the short messages sent by mobile phone users to fixed-line users can be automatically converted through the integrated short message service platform and sent to fixed-line users in the form of voice messages, which solves the problem that fixed-line users cannot receive mobile phone short messages. For more preferential service information, users can click on official website below, and customer service 16 is the answer.