E.1 General

33.1273GPPLawful Interception (LI) architecture and functionsRelease 18TS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

This annex defines STIR (Secure Telephony Identity Revisited), SHAKEN (Secure Handling of Asserted information using toKENs), eCNAM (Enhanced Calling Name) and RCD (Rich Call Data) and their application to different call scenarios.