Postal services - Quality of services - Measurement of the transit time of end-to-end services for single piece priority mail and first class mail; German version EN 13850:2020
Edition 2020-10

Postal services - Quality of service - Measurement of the transit time of end-to-end services for single piece non-priority mail and second class mail; German version EN 14508:2016
Edition 2016-06

Integrated Services Digital Network (ISDN) - Application of the ISDN User Part (ISUP) of ITU-T Signalling System No. 7 (SS7) for international ISDN interconnections (ISUP version 1); Amendment 1: International Emergency Preference Scheme (IEPS) service [ITU-T Recommendation Q.767 Amendment 1 (2002), modified] (Endorsement of the English version EN 300121 V1.2.1 (2003-07) as German standard)
Edition 2004-07

Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7) - ISDN User Part (ISUP) version 4 for the international interface - Part 22: International Emergency Preference Scheme (IEPS) service [ITU-T Amendments (2002) to Q.761 - Q.764 (1999), modified] (Endorsement of the English version EN 300356-22 V1.1.1 (2003-07) as German standard)
Edition 2004-07

Digital cellular telecommunications system (Phase 2+) - Enhanced Multi-Level Precedence and Pre-emption service (eMLPP) - Stage 2 (Endorsement of the English version ETS 300932:1997-05 as German standard)
Edition 2001-06

Information technology - Open Systems Interconnection - Protocol for providing the connection-mode transport service; Amendment 1: Relaxation of class conformance requirements and expedited data service feature negotiation
Edition 1998-09

Postal services - Quality of services - Measurement of the transit time of end-to-end services for single piece priority mail and first class mail
Edition 2020-10-15

Postal services - Quality of service - Measurement of the transit time of end-to-end services for single piece non-priority mail and second class mail
Edition 2016-07-01

Postal services - Quality of services - Measurement of the transit time of end-to-end services for single piece priority mail and first class mail
Edition 2020-07

Postal services - Quality of service - Measurement of the transit time of end-to-end services for single piece non-priority mail and second class mail
Edition 2016-05