Integrated Services Digital Network (ISDN). Signalling System No.7 (SS7). ISDN User Part (ISUP). Enhancement for support of Number Portability (NP) [ITU-T Recommendation Q.769.1 (2000), modified]

Standard published on 1.8.2001

Environmental Engineering (EE). Powering of equipment in access network

Standard published on 1.11.2002

Environmentálne inžinierstvo (EE). Napájanie zariadení v prístupovej sieti (Norma na priame používanie ako STN).

Standard published on 1.3.2015

Environmental Engineering (EE); Powering of equipment in access network

Standard published on 1.10.2021

Terrestrial Trunked Radio (TETRA); Security; Synchronization mechanism for end-to-end encryption

Standard published on 1.5.2004

Služby a protokoly zdokonalených sietí (SPAN). Využitie protokolu riadenia volania nezávislého od prenosu (BICC) so signalizačnou špecifikáciou SIG.4/PNNI1.0/AINI1 (Norma na priame používanie ako STN).

Standard published on 1.8.2003

Elektromagnetická kompatibilita a záležitosti rádiového spektra (ERM). Družicové majáky na individuálne vyhľadávanie (PLB) pracujúce vo frekvenčnom pásme od 406,0 MHz do 406,1 MHz. Časť 1: Technické charakteristiky a metódy merania (Norma na priame používanie ako STN).

Standard published on 1.7.2004

Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN). Emergency Location Protocols

Standard published on 1.2.2008

Electronic Signatures and Infrastructures (ESI). Algorithms and Parameters for Secure Electronic Signatures; Part 1: Hash functions and asymmetric algorithms

Standard published on 1.5.2010

Emergency Communications (EMTEL); Requirements for communications from authorities/organizations to individuals, groups or the general public during emergencies

Standard published on 1.7.2025