Mission Critical Assurance

Service Assurance for Critical Communication Networks

Mission Critical Services rely on Mission Critical communications networks


Learn more about Mission Critical, Railway Telecoms, Signaling & Interlocking Systems Assurance


The new generation of Mission Critical Services (MCS) networks offers flexibility and local broadband access, which allows many sectors to improve their efficiency, reactivity and service
quality, thanks to new applications and usages. 

Emergency services, power plants, offshore platforms, factories, hospitals, mines, transportation (railways, airports, and harbors) are just some of the sectors that benefit from these new local private broadband networks.

As these services become more attractive and popular, people are more reliant on them, which means that any disruption to service can have a critical impact, not just on the business, but also on human life. That’s why Mission Critical Services availability must be monitored and tracked constantly, to allow Mission Critical Operators to investigate and quickly fix issues.

Formerly provided by legacy Private Mobile Radio network technologies (TETRA, GSM-R...), Mission Critical features such as push-to-talk, group calls, video and audio broadcasting, functional numbering (aliases) are now supported by standards over LTE and 5G networks. However, the technical complexity and multiplayer environment (e.g., core network provider, critical service provider, and sometimes radio optimization) require an independent solution to monitor and investigate the network service and performance, and ensure interoperability between components.

By providing end-to-end visibility on the quality of service and network performance, and by offering an open and fully customizable solution to fit the customers’ needs, VIAVI Solutions supports Critical Network Operators during all the network stages: deployment, qualification, acceptance and operation. Our solution also enables smooth migration from legacy to newer technologies.

VIAVI Solutions monitor and record all messages exchanged between the different network elements. By converting raw data into actionable insights for troubleshooting, network performance and service quality, it helps to reduce outages, to ensure best service quality, to avoid instabilities on Mission Critical Networks where services availability is crucial. (e.g., degraded voice quality, call or data sessions drops…)

By recording data over several years, our solutions can be used during legal investigations and prove that every critical network communication element behaved properly, and that communication was established between participants during a critical event.


Learn more about Mission Critical, Railway Telecoms, Signaling & Interlocking Systems Assurance


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Un service client qui émet les autorisations de retour de matériel (Return Material Authorization, RMA) pour les réparations et la calibration.

Des solutions de formation technique, une formation à l’utilisation des produits et un enseignement mixte pour les techniciens qui utilisent de nouveaux produits ou travaillent avec les outils existants

Le centre d’assistance technique de VIAVI peut vous aider à utiliser/configurer vos produits ou à résoudre des problèmes liés aux performances des produits

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