PageOne's UK Network and Onsite Paging Services. PageOne owns and operates the UK’s only national paging network. We offer next-generation onsite paging systems and a range of pager device types. Delivering low cost and resilient broadcast alerting that’s independent of the public mobile networks, paging is the alerting channel of choice for critical messaging applications. Across the NHS, blue-light, government and major corporates, paging plays an important role in resilient, dependable broadcast alerting that can be relied upon during major incidents and events when mobile networks can become congested or disabled.