A.2 Mobile terminated circuit switched calls

3G security3GPP43.033Lawful InterceptionRelease 13Stage 2TS

Figure A.2 shows the interception of a basic mobile terminated circuit switched speech or data call where the terminating mobile (B) is the target for interception. A is not necessarily also a mobile subscriber and resides on a different exchange.

Figure A.2: Interception of mobile terminated circuit switched calls