21.2.4 Procedure in the HLR

29.0023GPPMobile Application Part (MAP) specificationRelease 17TS

The MAP process in the HLR to retrieve routeing information for a mobile terminating call is shown in figure 21.2/7. 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;

Receive_Open_Cnf see clause 25.1.2;

Check_Confirmation see clause 25.2.2.

Sheet 3: if the MAP_PROVIDE_ROAMING_NUMBER request included the OR Interrogation parameter, the test "OR interrogation?" takes the "Yes" exit; otherwise the test takes the "No" exit.