Technical Standards & Architecture

ETSI deep-dives (TS 102 232, TS 103 120, TS 103 707), HI1/HI2/HI3, X1/X2/X3, IRI vs CC, SIPREC vs ETSI, mediation function explainers. Anything standard- or protocol-first.

HI1 HI2 HI3 - lawful interception compliance illustration

HI1 vs HI2 vs HI3: Understanding the Three Lawful Interception Interfaces

May 20, 2026

Understanding HI1 HI2 HI3 interfaces is fundamental to implementing lawful interception correctly. At the heart of every lawful interception system […]

HI1 vs HI2 vs HI3: Understanding the Three Lawful Interception Interfaces Read Post »

ETSI TS 103 120 - lawful interception compliance illustration

ETSI TS 103 120 Explained: Handover Interfaces for Modern IP Networks

May 13, 2026

As telecommunications networks have migrated from circuit-switched to packet-switched architectures, the standards governing lawful interception have had to evolve in

ETSI TS 103 120 Explained: Handover Interfaces for Modern IP Networks Read Post »

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