What exactly do the communication fee and information fee of SMS mean?

(1) Communication fee: for information on demand, inquiry and other services initiated by the mobile phone, after the information is successfully received, the uplink communication fee (mobile phone sends business instructions) is charged at 0. 10 yuan/bar, and the downlink communication fee (mobile phone receives information) is free. Point-to-point mode (that is, mobile phone-to-mobile phone short message service), after successful transmission, 0. 10 yuan/message will be charged to the calling party; For system feedback messages generated in the use of wireless data services, communication fees are exempted. If the system message confirms that the operation is successful, the system fails or misoperation leads to unsuccessful operation, the uplink and downlink communication fees are exempted. (2) On-demand information fee: The charging principle of information fee is: set the upper price limit of information fee. SP charges a single business information fee per article, and the upper price limit is 2 yuan/article; SP single business information fee is charged monthly, and the upper price limit is 30 yuan/month. For monthly subscription to information services, you can cancel the subscription within 72 hours after opening, without paying any fees. Monthly subscription business registered after the 20th of each month will not be charged monthly subscription fee for that month. For more service benefits, click on "official website" customer service 324 below to answer your questions.