7.2.4 Subscriber Data management procedure

23.1193GPPGateway Location Register (GLR)Release 17Stage 2TS

7.2.4.1 Insert Subscriber Data Procedure

The Insert Subscriber Data procedure is illustrated in figure 7.2/17. Each step is explained in the following list.

Figure 7.2/17: Insert Subscriber Data

Procedure:

1. The HLR sends Insert Subscriber Data message to the GLR in order to update with the certain subscriber data.

2. The GLR updates the subscriber data and transfer the received message to the VLR.

3. The GLR receives the response from the VLR. The response may indicate regional restriction or unsupported services. The detail procedures are described in clause 7.5.

4. The GLR transfers the received message to the HLR.

7.2.4.2 Delete Subscriber Data Procedure

The Delete Subscriber Data procedure is used by an HLR to remove certain subscriber data from a VLR and a SGSN if the subscription of one or more supplementary services or basic services is withdrawn. Note that this service is not used in case of erasure or deactivation of supplementary services. And the Delete Subscriber Data procedure is illustrated in figure 7.2/18. Each step is explained in the following list.

Figure 7.2/18: Delete Subscriber Data

Procedure:

1. The HLR sends a Delete Subscriber Data message to the GLR in order to remove with the certain subscriber data.

2. The GLR deletes the subscriber data indicated and transfers the received message to the VLR.

3. The GLR receives a Delete Subscriber Data ack message from the VLR.

4. The GLR transfers the received message to the HLR.