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Railway operators’ mission-critical core network infrastructure must be constantly available and fully compliant with GSM-R standards to ensure the smooth running of services and to allow for interoperability as trains cross borders. The solution is ready for integration in an evolved architecture.

Kapsch CarrierCom was the first organisation to successfully deploy an 3GPP Release 4 core network in the railway environment, making us a uniquely safe pair of hands for your own core network project.

Our RDN.core solution powers railway communications for some of the largest operators in the world including Network Rail in the UK and Deutsche Bahn in Germany. It is fully integrated with our entire RDN portfolio, including our RDN.access, RDN.transmission solutions and tools.

Exceeding GSM-R standards, RDN.core is built on the 3GPP R4 architecture, which offers the highest levels of reliability and security. Because it is an all-IP solution, railway operators can also adopt emerging network technologies more simply and cost-effectively as their needs change.

RDN.core offers a highly stable, mature and feature-rich application suite for railway operators. This includes EIRENE services, enhanced Multi-Level Precedence and Pre-emption (eMLPP) for prioritising users and calls, and Voice Broadcast Services (VBS) and Voice Group Call Services (VGCS) for efficient communication amongst groups of subscribers.

Key benefits of RDN.core include:


Future proof
The RDN.core solution paves the way to all-IP networking based on open standards and innovative software configurations. The solution is ready for evolved architecture today.


Cost efficient
The solution helps to reduce network footprint and power consumption by 40% compared to TDM infrastructure, dramatically lowering operational and support costs.


Tried and trusted
Ours was the first R4 core architecture to be successfully deployed in the railway environment, and it is the industry’s most proven solution.


Standards based
The RDN.core solution is fully compliant with current and emerging GSM-R standards, including ETSI TS 103 066 Rel-4 Core Network requirements for GSM-R.


Our services teams provide a single point of contact for railway operators’ core networking projects, ensuring that they can retain control and ease management workloads. We also offer technical guidance and 24-hour software support to ensure optimal operations and maximise operators’ returns on investment.


Always available
RDN.core delivers more than ‘five-nines’ redundancy based on carrier grade hardware, using ATCA technology and providing redundancy, fault-tolerant software architecture and geographical redundancy.





Kapsch CarrierCom RDN.core in action
Kapsch CarrierCom is delivering and managing RDN.core network infrastructure for 14 railway operators around the world, including the networks of Deutsche Bahn, Germany, SCNF Réséau/Synerail in France and Network Rail in the United Kingdom.