DRAFT prETS 300 138 -2 : integrated services digital network (ISDN): closed user group (CUG) supplementary digital subscriber signalling system No. one (DSS1) protocol: part 2: protocol implementation conformance statement (PICS) proforma / European Telecommunications Standards Institute
ETS 300 086 : radio equipment and systems land mobile service: technical characteristics and test conditions for radio equipment with an internal or external RF connector intended primarily for analogue speech / European Telecommunications Standards Institute
ETS 300 133-6 : paging systems (PS): european radio message system (ERMES): part 6: base station conformance specification: ETS 300 133-6 / European Telecommunications Standards Institute
ETS 300 133-7 : paging systems (PS): european radio message system (ERMES): part 7: operation and maintenance aspects / European Telecommunications Standards Institute