Unified Solutions
What Is Lawful Interception?
Lawful interception is the legally authorised surveillance of telecommunications — including voice calls, messaging, email and internet traffic — carried out by law enforcement and intelligence agencies under judicial or governmental oversight. Operators and service providers are required by national and international legislation to build technical capabilities into their networks that allow authorised authorities to access specific communications in real time or retrospectively while protecting the privacy of all other users.
The interception process typically involves three functional elements: an internal interception function inside the operator’s network that isolates the target traffic, a mediation and delivery function that formats the intercepted data according to standardised handover interfaces, and a law enforcement monitoring facility that receives and processes the delivered information. In Europe, these interfaces are defined by the European Telecommunications Standards Institute (ETSI) in standards such as ETSI TS 102 232 for IP-based services and ETSI TS 103 707 for over-the-top (OTT) communication services.
The Regulatory Landscape for Lawful Interception
Telecommunications providers across the European Union and beyond operate within a complex and evolving regulatory framework that mandates lawful interception capabilities. In the EU, the European Electronic Communications Code (Directive 2018/1972) requires all providers of electronic communication services — including traditional telecoms, VoIP operators and, increasingly, OTT messaging platforms — to enable authorised interception. National laws such as Germany’s Telekommunikationsgesetz (TKG) and the Technische Richtlinie TR TKÜV translate these obligations into precise technical and operational requirements.
Alongside interception, the EU e-Evidence Regulation (EU) 2023/1543 now enables cross-border access to electronic evidence through European Production and Preservation Orders, while national data retention laws — such as the German Vorratsdatenspeicherung and Quick-Freeze legislation — impose additional obligations around the storage and disclosure of communications metadata. Standards from ETSI, including TS 102 232, TS 102 657, TS 103 707 and TR 103 854, define the technical handover interfaces that ensure interoperability between operator networks and law enforcement systems across jurisdictions.
ETSI TS 102 232
The core handover standard for IP-based lawful interception, defining how intercepted content and metadata from fixed-line, mobile and broadband services are delivered to law enforcement agencies.
ETSI TS 103 707
Extends the interception framework to OTT communication services such as WhatsApp, Microsoft Teams and Telegram, addressing the unique challenges of end-to-end encrypted messaging platforms.
EU e-Evidence Regulation
Regulation (EU) 2023/1543 enables cross-border access to electronic evidence through European Production Orders and Preservation Orders, with mandatory compliance deadlines starting August 2026.
Why Service Providers Choose ICS
ICS — International Carrier Services GmbH — is a specialist lawful interception and compliance technology company headquartered in Germany. For over two decades, our team has designed, deployed and operated interception and data retention platforms for telecommunications operators, internet service providers, regulatory authorities and law enforcement agencies across Europe. We combine deep domain expertise with a modular product portfolio that scales from single-operator deployments to pan-European managed services.
Our solutions are certified by the German Bundesnetzagentur and built on ETSI-compliant architectures. Whether you need a turnkey lawful interception management system, a temporary interception appliance for short-term projects, e-Evidence compliance under the new EU regulation, or a fully managed LI operations service, ICS delivers the technology, the expertise and the operational support to keep you compliant. Our team holds all necessary security clearances for sensitive deployments, including Auslandskopfüberwachung (foreign communication surveillance) in Germany.
Why Choose Us?
