ETSI TS 102 471 PDF

Published Date: 04/01/1998

Terminal Equipment (TE); Narrowband networks (PSTN or ISDN); Access to interactive audio-visual retrieval services without datafacility; Access for ISDN or PSTN videophony terminals to audio-visual databases

Published Date: 01/01/2002

Telecommunications and Internet Protocol Harmonization Over Networks (TIPHON); Requirements Definition Study; Studies into the Impact of lawful interception

Published Date: 07/01/2020

LTE; Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Architecture description (3GPP TS 36.401 version 16.0.0 Release 16)

Published Date: 01/01/2021

LTE; 5G; Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Lawful Interception (LI) architecture and functions (3GPP TS 33.127 version 16.6.0 Release 16)

Published Date: 03/26/2009