European digital cellular telecommunications system (Phase 2) - Teleservices supported by a GSM Public Land Mobile Network (PLMN); English version ETS 300502:1994
Digital Enhanced Cordless Telecommunications (DECT) - Global System for Mobile communications (GSM) - DECT/GSM Interworking Profile (IWP) - General description of service requirements - Functional capabilities and information flows
Digital cellular telecommunications system (Phase 2) - Attachment requirements for Global System for Mobile communications (GSM) - Part 1: Mobile stations in the GSM 900 and DCS 1 800 bands - Access (GSM 13.01 version 4.1.1)
