Processing method, switching method for policy and charging control, system and device
A technology of charging control and processing method, applied in the field of mobile communication, to achieve the effect of convenient strategy and charging control
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[0067] In the SAE system architecture, when users are assigned different IP addresses for an IMS service, which are used for SIP signaling transmission and media data transmission to optimize the routing of user media data, an AF session can be Multiple IP-CAN sessions correspond to it. One IP-CAN session is used for the transmission of SIP signaling data stream, or the SIP signaling data stream and part of the media data stream are transmitted together, and there are one or more IP-CAN sessions. Used for the transmission of media data streams. The embodiments of the present invention are not only applicable to roaming scenarios, but also applicable to scenarios where a mobile user changes location in a larger area in the same PLMN. In the embodiment of the present invention, only two IP addresses are assigned to users in a roaming scenario, one is used for the transmission of SIP signaling data stream, and the other is used for the transmission of media data stream. Other scenari...
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