7.8 Change in subscription for MPS priority services

23.2033GPPPolicy and charging control architectureRelease 17TS

Once the PCRF receives a notification of a change in MPS EPS Priority, MPS Priority Level and/or IMS Signalling Priority from the SPR, the PCRF shall make the corresponding policy decisions (i.e. ARP and/or QCI change) and initiates the necessary IP-CAN session modification procedure(s) to apply the change.