I'm pretty sure that the Bus option is in the plans, maybe it'll be drive your own car in reality... They techs will take at least 2 days to convert the gear anyway, so what's the rush...
The Business Continuity is simply a we've lost all hope of recovering one centre; then only very limited services would be provided at the other end, certainly not back to normal... You might find that entire groups get allocated a single console or none at all, perhaps one to share.