This Recommendation specifies the diversion supplementary services (SS-DIV)@ which comprise the services Call Forwarding Unconditional (SS-CFU)@ Call Forwarding Busy (SS-CFB)@ Call Forwarding No Reply (SS-CFNR) and Call Deflection (SS-CD)@ all of which are applicable to various basic services supported by H.323 endpoints. NOTE ?C The concept of basic services in the context of H.323 is for further study. SS-CFU@ SS-CFB@ SS-CFNR and SS-CD are supplementary services which apply during call establishment providing a diversion of an incoming call to another destination endpoint. SS-CFU@ SS-CFB@ SS-CFNR and SS-CD are supplementary services which apply to point-to-point calls. An incoming call via multicasting may be subject to call diversion. This Call diversion supplementary service is based on ISO/IEC 13872 and ISO/IEC 13873.