Halo is a Microsoft Trademark.
Did BT even check this?
Halo is a Microsoft International Trademark, covering technological services.
Whether it happens or not, I doubt it will be called BT Halo.
Important to those decison makers out there looking at Boris Johnson's pledges:
Without the ubiquitous fibre backhaul in the ground, there is no such thing a ubiquitous 5G, people should remember that fundamental point, it's key.
Each 5G cell requires a fibre backhaul for handover/control and importantly, data throughput. The 5G part is just the radio connection between the device and cell.
People seem think we'll have this continuous 5G radio signal in the sky covering the whole of the UK that everything connects to, that's not how it works folks.