What is the point-to-point SMS service of China Unicom?

Value-added service is a comprehensive service integrating voice, picture and text, with rich content and wide coverage. Value-added services provide a series of business combinations, bringing you a brand-new experience. "China Unicom" 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. Peer-to-peer short message service refers to the short message transmission from mobile phone to mobile phone. Among them, peer-to-peer SMS in the network refers to sending messages to each other between Unicom users, and peer-to-peer SMS outside the network refers to sending messages to each other between Unicom users and other network users. Not enough traffic? Half a year's traffic is easy to get! The flow is not cleared across months and is valid for half a year. Click /sAAGl to enjoy a 20% discount.