How to make a mobile phone short message platform ...

First of all, I registered and established an SP company with a registered capital of 654.38 million yuan. Then apply to the Ministry of Information Industry for a trans-regional telecom value-added service license at the price of # $%&; *; Next, you need to apply for SP code from the headquarters of major telecom operators such as China Mobile, that is, the code of SMS platform (you need to prepare more than N bills to feed the "lion"); Secondly, it needs to be filed with the communication administrations of all provinces, autonomous regions and municipalities directly under the Central Government (the relationship between banknotes is required). After the above three preparations are completed, you can start your business. Business needs to be done according to one's ability, which can be induced by media advertisements and text messages, but try to avoid violations. Otherwise, users will be punished or even dismissed by telecom operators if their complaints reach a certain number or fail to reach the business volume for several months in a row. At present, the share ratio of China Mobile is 5: 5, and the share ratio of 15: 85 is coming to an end. The basic principle of sending and receiving SMS: SMS provides a way of text communication. This kind of writing is characterized by short content, not exceeding 160 letters, numbers or other symbols. You can communicate with other types of users within the GSM network or outside the network. The method is to receive, store and transmit text messages in the form of SMS-C. SMS does not occupy voice equipment. It has two basic services: 1) and short messages sent to mobile stations. (MT)2) Short message from mobile station. (MO) Example: 1, SMS initiated by mobile1), and the user inputs the relevant address and short message content. The information content includes: SMS address, called number and content. Send to MSC. 2) The MSC where user A is located analyzes the short message address and finds SC. 3) After receiving the message (SMS content, called number, etc.). ) is sent by MSC, and SC stores it for further analysis and processing. 4) After SC receives the information correctly, it sends a confirmation message to MSC. At the same time, MSC will send confirmation information to Ms. 2), mobile terminal SMS 1), SC will send the called number to SMS-GMSC, and SMS-GMSC will analyze the called number to find HLR. 2) HLR sends the MS to SMS-GMSC according to the address of the MSC/VLR where the MS is currently located. 3) SMS-GMSC analyzes the address of MSC/VLR to find MSC/VLR and send the information to MSC. 4) MSC records and calls MS. If Ms responds, it will send a short message to Ms..5) If Ms receives a short message, it will send a confirmation signal back to MSC. 6) MSC sends the confirmation signal back to SC. SC deletes the information content. 7) If the MSC call is unsuccessful, MSC will tell SC that the call is unsuccessful, and SC will mark "1" on the relevant register and report it to HLR. 8) HLR puts the address and IMSI of SC in the waiting list. Once MSC reports the situation of MS to HLR, HLR will inform SC to send SMS to MS again. Clear register at the same time