12 Transfer of information from HLR to VLR

23.0723GPPCall Deflection (CD) supplementary serviceRelease 17Stage 2TS

If the provisioning state for the Call Deflection service is "Provisioned" then when the subscriber registers on a VLR the HLR shall send that VLR information about the logical state of the Call Deflection service In this case the following additional information shall be sent to the VLR:

– subscription options "notification to the calling party" and "MSISDN of the served subscriber can be presented to the forwarded-to subscriber".

– Translation Information Flag (TIF-CSI) if contained in the CAMEL subscriber data of the served subscriber (refer to TS 23.078 for further details).

If the logical state of the Call Deflection service or the value of the subscription options "notification to the calling party" or "MSISDN of the served subscriber can be presented to the forwarded-to subscriber" or the presence of the Translation Information Flag (TIF-CSI) is changed while a subscriber is registered on a VLR then the HLR shall inform the VLR of the new logical state or the new value of the subscription option or the presence of the Translation Information Flag (TIF-CSI).