03.723GPPCall Deflection stage 2TS
The functions of the serving VLR are specified in GSM 03.18. The procedure specific to the CD supplementary service is specified in this subclause.
7.1 Procedure CD_Authorization
This procedure examines the authorization related to Call Deflection.
The procedure CAMEL_Check_CD_Interaction is specific to CAMEL phase 2. If CAMEL phase 2 is not supported in the VLR, processing continues from the "No" exit of the test "Result=Pass?".
7.2 Procedure CAMEL_Check_CD_Interaction
This procedure examines whether a Translation Interaction Flag (TIF-CSI) is provided for the served subscriber.
Figure 7.1 (sheet 1): Procedure CD_Authorization
Figure 7.1 (sheet 2): Procedure CD_Authorization
Figure 7.2: Procedure CAMEL_Check_CD_Interaction