Open Data Communication in Building Automation, Controls and Building Management - Control Network Protocol - Part 6: Application elements; English version prEN 14908-6:2021, only on CD-ROM
Edition 2021-10

Integrated Services Digital Network (ISDN) - Direct Dialling In (DDI) supplementary service - Digital Subscriber Signalling System No one (DSS1) protocol - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
Edition 2001-04-01

Integrated Services Digital Network (ISDN) - Direct Dialling In (DDI) supplementary service - Digital Subscriber Signalling System No one (DSS1) protocol - Part 1: protocol specification
Edition 2001-05-01

Integrated Services Digital Network (ISDN) - Direct Dialling In (DDI) supplementary service - Digital Subscriber Signalling System No one (DSS1) protocol - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user
Edition 2001-04-01

Integrated Services Digital Network (ISDN) - Direct Dialling In (DDI) supplementary service - Digital Subscriber Signalling System No one (DSS1) protocol - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user
Edition 2001-04-01

Integrated Services Digital Network (ISDN) - Direct Dialling In (DDI) supplementary service - Digital Subscriber Signalling System No one (DSS1) protocol - Part 5: Test Suite Structure and Test Purpose (TSS&TP) specification for the network
Edition 2001-04-01

Integrated Services Digital Network (ISDN) - Direct Dialling In (DDI) supplementary service - Digital Subscriber Signalling System No one (DSS1) protocol - Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network
Edition 2001-04-01

Integrated Services Digital Network (ISDN). Direct dialling (ddi) supplementary service. Functional capabilities and information flows
Edition 1994-12-01