24B.2 Provide Subscriber Location procedure

29.0023GPPMobile Application Part (MAP) specificationRelease 17TS

24B.2.1 General

The message flow for successful retrieval of the location information of a target MS related to location services is shown in figure 24B.1/1.

Figure 24B.2/1: Message flow for retrieval of location information

The following MAP service is used to retrieve location information:

MAP_PROVIDE_SUBSCRIBER_LOCATION see clause 13A.2.

24B.2.2 Process in the GMLC

The MAP process in the GMLC to request location information from an MSC or an SGSN is shown in figure 24B.2/2. The MAP process invokes macros not defined in this clause; the definitions of these macros can be found as follows:

Receive_Open_Cnf see clause 25.1.2;

Check_Confirmation see clause 25.2.2.

24B.2.3 Process in the MSC

The MAP process in the MSC to handle a request for location information from a GMLC is shown in figure 24B.2/3. The MAP process invokes macros not defined in this clause; the definitions of these macros can be found as follows:

Receive_Open_Ind see clause 25.1.1;

Check_Indication see clause 25.2.1.

24B.2.4 Process in the SGSN

The MAP process in the SGSN to handle a request for location information from a GMLC is shown in figure 24B.2/4. The MAP process invokes macros not defined in this clause; the definitions of these macros can be found as follows:

Receive_Open_Ind see clause 25.1.1;

Check_Indication see clause 25.2.1.

Figure 24B.2/2: Process PSL_GMLC

Figure 24B.2/3: Process PSL_MSC

Figure 24B.2/4: Process PSL_SGSN