Digital cellular telecommunications system (Phase 2). Closed User Group (CUG) supplementary services. Stage 3. (GSM 04.85)
Edition 1998-04-01

Digital cellular telecommunications system (Phase 2). Call barring (CB) supplementary services. Stage 3. (GSM 04.88)
Edition 1998-04-01

Digital cellular telecommunications system (Phase 2). Advice of Charge (AoC) supplementary services. Stage 3. (GSM 04.86)
Edition 1998-04-01

Integrated services digital network (ISDN) - Message Waiting Indication (MWI) supplementary service - Digital Subscriber Signalling System no. one (DSS1) protocol - Part 1: protocol specification
Edition 2000-07-01

Integrated Services Digital Network (ISDN). Terminal portability (tp) supplementary service. Digital subscriber signaling system no.one (DSS1) protocol. Part 1: protocol specification
Edition 1994-09-01

Integrated Services Digital Network (ISDN). Generic keypad protocol for the support of supplementary services. Digital subscriber signalling system no one (DSS1) protocol
Edition 1995-07-01

Integrated Services Digital Network (ISDN). Calling line identification presentation (CLIP) supplementary service. Digital subscriber signalling system number one (DSS1) protocol. Part 1: protocol specification
Edition 1995-09-01

Integrated Services Digital Network (ISDN). Advice of charge : charging information at call set-up time (AOC-S) supplementary service. Service description
Edition 1994-12-01

Integrated Services Digital Network (ISDN). Advice of charge : charging information at the end of the call (AOC-E) supplementary service. Service description
Edition 1996-11-01

Integrated Services Digital Network (ISDN). Advice of charge : charging information during the call (AOC-D) supplementary service. Service description
Edition 1996-11-01