ETR 149 : network aspects (NA): interworking between metropolitan area networks (MANs) and asynchronous transfer mode (ATM) networks for the connectionless broadband data service (CBDS) / European Telecommunications Standards Institute
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 300 133-3 : paging systems (PS): european radio message system (ERMES): part 3: network aspects: (annexes): ETS 300 133 -3 / 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