Virtual Office WAN

I'm helping to setup a 'virtual office' for 3 people working remotely on broadband connections on windows environment.

I need to setup a common shared network folder accross the internet aswell as share outlook calendar, appointments and possibly voip(this can be peer to peer) etc. I have looked into hotoffice.com like services but would like to integrate these fetaures with windows. Can someone please advise me on what's best to do. Is this going to require a dedicated host?

Thanks

 

 

 

 

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