ETSI EN 300 899-4 PDF

Published Date: 01/01/2002

Final draft Version 1.1.1Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); Interworking between ISDN User Part (ISUP) version 2 and Digital Subscriber Signalling System No. one (DSS1); Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for

Published Date: 06/01/2000

Integrated Services Digital Network (ISDN); Telephony 7 kHz, videotelephony, audiographic conference and videoconference teleservices; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PI

Published Date: 11/01/2020

Digital cellular telecommunications system (Phase 2+) (GSM); Half rate speech; Substitution and muting of lost frames for half rate speech traffic channels (3GPP TS 46.021 version 16.0.0 Release 16)

Published Date: 01/01/2021

5G; LTE; Common API Framework for 3GPP Northbound APIs (3GPP TS 29.222 version 16.5.0 Release 16)

Published Date: 08/01/2020

Systems and software engineering - Software life cycle processes - Part 2: Relation and mapping between ISO/IEC/IEEE 12207:2017 and ISO/IEC 12207:2008

Published Date: 08/01/2022

Software engineering - Software life cycle processes - Maintenance

Published Date: 08/01/2019

Systems and software engineering - Systems and software assurance - Part 1: Concepts and vocabulary

Published Date: 10/31/2022

Systems and software engineering - Systems and software assurance - Part 2: Assurance case

Published Date: 11/01/2023

Systems and software engineering - Systems and software assurance - Part 3: System integrity levels

Published Date: 08/01/2021

Systems and software engineering - Systems and software assurance - Part 4: Assurance in the life cycle