Continue to Ensure Emergency Call Coverage Following the 2G/3G Shutdown

Hybrid eCall Certification Continue to Ensure Emergency Call Coverage Following the 2G/3G Shutdown

2026-06-16 By Hendrik Härter | Translated by AI 2 min Reading Time

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If the 2G/3G network is shut down, the automotive industry will face a problem regarding in-vehicle emergency call functions. Certifications in accordance with EN 18052:2025 promise to provide a solution, ensuring that interoperability remains guaranteed in mixed network environments.

With its Hybrid eCall certification, Keysight is accelerating progress in emergency communications for the automotive industry.(Image: Keysight) — With its Hybrid eCall certification, Keysight is accelerating progress in emergency communications for the automotive industry.
(Image: Keysight)

The global phase-out of 2G and 3G infrastructure is jeopardizing traditional eCall functions in vehicles.If 2G and 3G are phased out, automakers must ensure that emergency call systems can communicate reliably via packet-switched 4G and 5G networks.

Hybrid eCall is Becoming Important

However, network modernization varies greatly from region to region. That is why the so-called hybrid eCall is now gaining importance. By dynamically switching between existing and modern networks, the eCall is ensured to function properly, depending on availability.

The measurement technology must be capable of validating seamless fallback behavior and data integrity in heterogeneous environments. Compliance with the new EN 18052:2025 standard plays a key role in this regard. Keysight Technologies is now one of the first measurement technology providers to receive corresponding certification from DEKRA.

For measurement technicians and test engineers, there are four key scenarios that must be covered by certified end-to-end test solutions:

Connection Establishment: Validation of latency and stability during the establishment of emergency calls in varying network configurations.
MSD Transmission: Ensuring that the “Minimum Set of Data” (vehicle location, telemetry) is transmitted to public safety answering points (PSAPs) accurately and without loss, even during network handoffs.
Voice Quality: Measurement of speech intelligibility under realistic load conditions in an IP-based network.
Network fallback: Verification of the failover mechanism when the system must switch from NG-eCall to older cellular standards.

Cross-Vendor Interoperability

“The automotive industry needs proven testing methods to avoid bottlenecks in compliance testing and delays in time-to-market,” explains Thomas Götzl of Keysight.

The certification of test solutions in accordance with EN 18052:2025, which builds on EN 17240, is intended to ensure that integration across the entire ecosystem—comprising ITS, mobile networks, and emergency call centers—functions smoothly.

To further promote cross-vendor interoperability, these technologies will also be put to the test at the upcoming ETSI NG-eCall plug tests in 2026, using commercial infrastructure. For developers, this means greater legal certainty and accelerated certification processes for connected vehicles. (heh)

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