ETSI EN 301 490-2 PDF

Published Date: 01/01/2002

Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call transfer supplementary service for the VPN b service entry point; Part 2: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma

Published Date: 12/01/2000

Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call transfer supplementary service for the VPN b service entry point; Part 2: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification

Published Date: 07/01/2001

Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 6: Connected Line Identification Restriction (COLR) supplementary service [ITU-T Recommendation Q.731, clause 6 (1993) modified]

Published Date: 12/01/2020

Radiotelephone transmitters and receivers for the maritime mobile service operating in VHF bands; Technical characteristics and methods of measurement

Published Date: 09/01/2018

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Alphabets and language-specific information (3GPP TS 23.038 version 15.0.0 Release 15)

Published Date: 01/01/1997