Implementation method of USSD service based on ussd AGW
A network element and request message technology, applied in electrical components, wireless communication, message/mail/announcement, etc., can solve the problem of high interface access threshold, and achieve the effect of lowering the technical threshold, complete business functions, and rich functions
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[0193] The following describes a typical uplink call USSD business process. The business scenario of this process is that the end user sends a message to the ASP to order a certain service. The ASP asks the end user to select the service type. After the user returns the service type, the ASP replies that the order is successful. message; the process includes:
[0194] Step 1. The terminal sends a USSD message to the USSD GW, and the content of the message is "#124*1#";
[0195] Step 2. The USSD GW sends a data_sm request message to the USSD AGW. The key fields are as follows:
[0196] ussd_servcie_op=0 (PSSR indication)
[0197] message_payload="#124*order#"
[0198] received_message_id="%LOT? SI, 755#PP+C$S, #, U+C
[0199] Step 3, USSD AGW returns a successful data sm reply message to USSD GW;
[0200] Step 4. The USSD AGW matches the access code "124" in the USSD message content, finds the URL address of the corresponding ASP, and sends an uplink handleUssd reque...
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