Please explain the point-to-point SMS service charge, which is Unicom card.

Peer-to-peer SMS is an ordinary SMS with a cost of 0. 1 yuan/message. There is also a service charge, which is generally served by Unicom's letter. "Liantong" is an information subscription and on-demand service based on SMS platform, which can be used by Unicom mobile phone users. "Unicom in the letter" allows Unicom mobile phone users to enjoy life, information, business, entertainment and other information anytime and anywhere through SMS. That is to say, Unicom's letter service is the floorboard of various value-added services. Unicom's letter service fee consists of communication fee and information service fee. The communication fee is charged when you give an order, each item is 0. 1 yuan; There is a monthly billing model for information fees, and the fees for each service are different. For specific services, please contact manual customer service for detailed inquiry.