Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 17: Include Call (IC)
Edition 2002-04-01

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 18: Barring of Outgoing Calls (BOC)
Edition 2001-11-01

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 19: Barring of Incoming Calls (BIC)
Edition 2001-11-01

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 22: Dynamic Group Number Assignment (DGNA)
Edition 2005-08-01

Private Integrated Services Network (PISN) - Specification, functional model and information flows - Call intrusion supplementary service [ISO/IEC 14845 (1996) modified]
Edition 2003-09-01

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Call intrusion supplementary service [ISO/IEC 14846 (2003), modified]
Edition 2004-03-01

Integrated Services Digital Network (ISDN) - Message Waiting Indication (MWI) supplementary service - Service description
Edition 2001-08-01

Digital Enhanced Cordless Telecommunications (DECT) - Global System for Mobile communications (GSM) - DECT/GSM Interworking Profile (IWP) - GSM Phase 2 supplementary ...(abgekürzt)
Edition 1998-05-01

Integrated Services Digital Network (ISDN) - Message Waiting Indication (MWI) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1: Protocol specification (incl. Diskette!!!)
Edition 1998-10-01

Integrated Services Digital Network (ISDN) - Message Waiting Indication (MWI) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (incl. Diskette!!!)
Edition 1998-10-01