SP service includes plain text message (SMS), which is the simplest SP service with low entry threshold, but it is also the most important service type, with the largest user base and the largest market capacity. It also includes multimedia messages that users can obtain various personalized multimedia contents (MMS multimedia message service means multimedia short message service in Chinese, that is, mobile MMS and Unicom's color e). Compared with ordinary short messages, besides the basic text information, it is also equipped with rich multimedia content, such as color pictures, sounds, animations, vibrations and so on. In addition, games, color ring tones, dating communities, advertisements, etc. They are all profitable means of value-added services of the company, which can be roughly divided into two categories. One is to provide entertainment services directly, such as making friends, MMS, CRBT, games, ringtones, voice interaction, etc. The other is to provide information services, such as advertising, introduction of professional medical knowledge, weather forecast, etc.

At present, SP services mainly focus on e-mail, voice mail, electronic data exchange, online data processing and transaction processing, while online information base storage and retrieval, video teleconference services and other services still have great development potential. Although IVR is not specifically mentioned in the current regulations, with the development of IVR business, this regulation may be adjusted accordingly.