Additional procedures in network entities

03.973GPPMultiple subscriber Profile (MSP)Stage 2TS

6.1 OCB_flag

The OCB_flag shall be set in the HLR if Call Barrings are provided in the gsmSCF.

If the OCB_flag is set then

– When the subscriber roams to a VLR which supports CAMEL Phase 2, the HLR shall not send any outgoing call barring supplementary services data to the VLR;

– When the subscriber roams to a VLR which does not support CAMEL Phase 2, the HLR shall send to the VLR outgoing call barring supplementary services data as stored in the HLR.

  • The subscriber shall not be allowed to alter the Call Barring data in the HLR

6.2 ODB flags

The ODB flag for the relevant category shall be set in the HLR if ODB is provisioned in the gsmSCF for that category.

If the ODB flag is set for that category, then

  • When the subscriber roams to a VLR which supports CAMEL Phase 2, the HLR shall not send any ODB data for that category to the VLR;
  • When the subscriber roams to a VLR which does not support CAMEL Phase 2, the HLR shall send to the VLR ODB data for that category to the VLR as stored in the HLR.