03.313GPPFraud Information Gathering System (FIGS)Service descriptionStage 2TS
For the purposes of this specification the following definitions apply:
A subscriber: The calling mobile subscriber.
B subscriber: The mobile subscriber originally called by the A subscriber.
C subscriber: The subscriber to whom the B subscriber has requested that calls be forwarded. The C subscriber may be fixed or mobile.
call: connection-oriented service/event.
GSM Service Control Function (gsmSCF): A functional entity that contains the CAMEL service logic to implement OSS. It interfaces with the gsmSSF and the HLR.
GSM Service Switching Function (gsmSSF): A functional entity that interfaces the MSC/GMSC to the gsmSCF. The concept of the gsmSSF is derived from the IN gsmSSF, but uses different triggering mechanisms because of the nature of the mobile network.
Originating CAMEL Subscription Information (O-CSI): The O-CSI identifies the subscriber as having originating CAMEL services.
Supplementary Service Notification CAMEL Subscription Information (SS-CSI): The SS-CSI identifies the subscriber as having supplementary service invocation notification CAMEL services.
Terminating CAMEL Subscription Information (T-CSI): The T-CSI identifies the subscriber as having terminating CAMEL services.
VMSC: The serving MSC in the VPLMN.
Abbreviations used in this specification are listed in GSM 01.04.
For the purposes of this specification the following abbreviations apply:
CAMEL Customised Applications for Mobile network Enhanced Logic
CGI Cell Global Identifier
FIGS Fraud Information Gathering System
FDS Fraud Detection System
MO Mobile Originated
MT Mobile Terminated
O-CSI Originating CAMEL Subscription Information
OSS Operator Specific Services
SS-CSI Supplementary Service Notification CAMEL Subscription Information
T-CSI Terminating CAMEL Subscription Information
TAP Transferred Account Procedure