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|  OFCS  |  OCS  |

 

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specified from  Rel-6/7  in
TS 32.240, clause 4.3.1
TS 23.203, clause 6.2.6 

The Offline Charging System (OFCS) is a grouping of charging functions used for Offline Charging. It collects and processes charging events from one or more CTFs, and it generates CDRs for subsequent offline downstream billing processes.


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specified from  Rel-6/7  in
TS 32.240, clause 4.3.2
TS 23.203, clause 6.2.5
TS 32.296 

The Online Charging System (OCS) performs online credit control functions. The OCS may trigger the PCEF to initiate an IP-CAN bearer service termination at any point in time. There may be several OCSs in a PLMN.



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