1 Scope
24.0723GPPCall Deflection (CD) supplementary serviceRelease 17Stage 3TS
This Global System for Mobile communications Technical Specification specifies the procedures used at the radio interface (reference point Um as defined in 3GPP TS 24.002) for normal operation of Call Deflection (CD) supplementary service. Provision and withdrawal of supplementary services is an administrative matter between the mobile subscriber and the service provider and cause no signalling on the radio interface.