A USSD service trigger method and system based on IMS system
A service and service point technology, applied in transmission systems, electrical components, messages/mailboxes/announcements, etc., can solve the problem that USSD services cannot be triggered correctly, and achieve the effect of simplifying service triggering and reducing the number of configurations
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[0060] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0061] image 3 It is a schematic structural diagram of a USSD service triggering system in Embodiment 1 of the present invention. like image 3 As shown, the USSD service trigger system includes an HSS server, a terminal, an S-CSCF and an application server AS.
[0062] The HSS server configures the Request-URI parameter in the service point trigger SPT that triggers the filtering criterion iFC as a USSD service access code, processes it using regular expressions, configures it as a wild card, and sends the triggering filtering criterion iFC to the S-CSCF , where the service point triggers SPT in the HSS server are sorted by priority.
[0063] The terminal sends...
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