8 Interactions with Customized Applications for Mobile network Enhanced Logic (CAMEL);

22.0723GPPCall Deflection (CD) service descriptionStage 1TS

The CD supplementary service shall, if invoked, take affect after the invocation of any terminating CAMEL based service. Any deflected call may cause invocation of any mobile originated CAMEL based services.

If the served subscriber is provided with a Translation Information Flag (TIF-CSI, see TS 22.078 [5]) and the VPLMN supports CAMEL phase 2, then when the CD supplementary service is invoked the network shall not check the validity of the deflected-to number and shall not apply the CD interactions with Barring of all Outgoing International Calls (BOIC) and Barring of all Outgoing International Calls except those direct to the Home PLMN Country (BOIC-exHC).

NOTE: This behaviour may be used to deflect a call to a destination violating the BOIC or BOIC-exHC supplementary service. The HPLMN operator should take care to avoid problems that may arise because of this interaction.