DS EN 300392-10-4:2005
DS EN 300392-10-4:2005 Terrestrial Trunked Radio (Tetra) - Part 10: Supplementary Services Stage 1 - Sub-Part 4: Call Forwarding (Cf) Defines the supplementary services Call Forwarding Unconditional (CFU), Call Forwarding Busy (CFB), Call Forwarding on No Reply (CFNRy) and Call Forwarding on Not Reachable (CFNRc) which are applicabl