This European Telecommunication Standard (ETS) gives the stage 2 description of the call forwarding supplementary services. The group of supplementary services call offering supplementary services is divided into 4 different supplementary services:-0.1 Call forwarding unconditional Call forwarding on mobile subscriber busy Call forwarding on no reply Call forwarding on mobile subscriber not reachable Normative references (CFU) (CFB) (CFNRy) (CFNRc) (clause 1); (clause 2); (clause 3); (clause 4).
PUBLISHED
SSH ETS 300 543:1997 ed.2
60.60
Standard published
11 sht 2025