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cetecom advanced (cetecomadvanced.com) is a leading independent test laboratory for product testing and worldwide certification for devices from various branches like communication technologies, automotive, medical technology, payment & identification. The Rohde & Schwarz solution is based on the CMX500 radio communication tester with an updated eCall option to ensure compliance with the latest eCall regulations and standards.
The hybrid eCall test specification EN 18052 states that a hybrid system must combine different transmission paths and protocols to make sure an eCall reliably reaches its destination. In practice this means a vehicle will use NG eCall functions (IP/IMS-based voice and data over 4G/5G) but can automatically fall back to available classic CS eCall (2G/3G) transport paths when coverage or service quality degrades. Manufacturers need to validate hybrid implementations to ensure they can trigger calls, transmit the minimum set of data (MSD), maintain GNSS positioning, and deliver intelligible voice quality across multiple network scenarios, including voice over New Radio (VoNR), voice over LTE (VoLTE), and circuit-switched fallback. Tests must demonstrate that a system remains robust during handovers and under degraded radio conditions, while also complying with relevant CEN, ETSI, 3GPP, and national requirements.
Rohde & Schwarz has updated its eCall evaluation solution, CMX-KA09x, to support compliance with EN 18052:2025 and EN 17240:2024+A1:2026. The CMX-KA099 option successfully completed Public Safety Answering Point (PSAP) test scenarios in accordance with EN 18052:2025, while the CMX-KA098 option successfully completed PSAP test scenarios in accordance with EN 17240:2024+A1:2026. This marks an important step toward meeting European requirements for NG eCall test systems.
"We use the solution for functional tests and protocol conformity tests as well as for the type-approval of In-Vehicle Systems (IVS) that implement hybrid eCall and NG eCall," says Thomas Reschka, Senior Technical Consultant at cetecom advanced. "The test environment allows the simulation of real-world mobile network conditions and the emulation of various network scenarios. This is a significant advantage in preparing for certifications or the market launch of new vehicle models."
Through this collaboration, both companies aim to empower the automotive industry to ensure the rapid adoption of next-generation vehicle communications that prioritize safety.
About Rohde & Schwarz
Rohde & Schwarz (rohde-schwarz.com) is striving for a safer and connected world with its Test & Measurement, Technology Systems and Networks & Cybersecurity Divisions. For over 90 years, the global technology group has pushed technical boundaries with developments in cutting-edge technologies. The company's leading-edge products and solutions empower industrial, regulatory and government customers to attain technological and digital sovereignty. The privately owned, Munich based company can act independently, long-term and sustainably. Rohde & Schwarz generated net revenue of EUR 3.16 billion in the 2024/2025 fiscal year (July to June). On June 30, 2025, Rohde & Schwarz had more than 15,000 employees worldwide.
R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG.
Automotive test solutions Test it. Trust it.
As a global provider of innovative test and measurement instruments, software and systems, Rohde & Schwarz employs its technical expertise to advance the automotive industry’s vision of autonomous driving, electrification, and connectivity. OEMs, chip suppliers, tier1s and engineering service providers, as well as certification organizations around the world rely on the test solutions for radar, connectivity including antennas, infotainment, in-vehicle networks, electric drivetrain components and electromagnetic compatibility. Rohde & Schwarz supports its customers over the entire automotive lifecycle from R&D to production and beyond.
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