Integrated Services Digital Network (ISDN); Call Forwarding Unconditional (CFU) supplementary service; Service description
Document status: Active
Amendment 1 to - Integrated Services Digital Network (ISDN); Call Forwarding No Reply (CFNR) supplementary service; Service description
Document status: Active
Integrated Services Digital Network (ISDN); Call Forwarding No Reply (CFNR) supplementary service; Service description
Document status: Active
Amendment 1 to - Integrated Services Digital Network (ISDN); Call Deflection (CD) supplementary service; Service description
Document status: Active
Integrated Services Digital Network (ISDN); Call Deflection (CD) supplementary service; Service description
Document status: Active
Integrated Services Digital Network (ISDN); Call Forwarding Busy (CFB) supplementary service; Functional capabilities and information flows
Document status: Active
Integrated Services Digital Network (ISDN); Call Forwarding Unconditional (CFU) supplementary service; Functional capabilities and information flows
Document status: Active
Integrated Services Digital Network (ISDN); Call Forwarding No Reply (CFNR) supplementary service; Functional capabilities and information flows
Document status: Active
Integrated Services Digital Network (ISDN); Call Deflection (CD) supplementary service; Functional capabilities and information flows
Document status: Active
Corrigendum to - Integrated Services Digital Network (ISDN); Diversion supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification
Document status: Active
