![]() We recognised the potential and customer demand, but we did not regard it as a market where we should operate directly. “What we have implemented together with PrioCom is a virtual network slice, in which we have set up both the radio network and the core network for mission-critical communication for both data and speech.” But why didn’t T-Mobile opt to do this itself? Marijs: “As you know, at T-Mobile we strongly support working with partners. “Our network has a high data capacity and is very innovative,” Richard continues. A network that German researchers at P3 have now found to be the best mobile network in the Netherlands four times in a row. A few years ago he thought out how the new 4G network from T-Mobile should be set up to provide such a service. “You have to ensure that a mobile network is capable of distinguishing a critical communication service within the same mobile internet network,” says Richard Marijs. There are situations for example when a lot of people use mobile internet at the same time (in a stadium, at an event, etc.). ![]() The public mobile Internet service is often inadequate for such communication, simply because there is not enough control for the user. Mission critical means that a person’s safety or the direct continuity of a business process depends on the ability to communicate directly and effectively with another person or group. Richard Marijs of T-Mobile and Marja Dieben of PrioCom explain the ins and outs. But now critical voice communication – and therefore also data – can make use of 4G mobile and in the near future 5G. This was also used for C2000, the communications network for emergency services. Until recently, there was only one technology for mission-critical communication: handheld transceivers like TETRA.
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