There is a page about access on the walkhighlands site which also has a link to the Hill Phone service
http://www.walkhighlands.co.uk/info/Info/AccessInScotlandYou can also pick up the small green and brown leaflet about the Hill Phone service. This is useful to carry with you as it has all the phone numbers for the different estates. The leaflet is updated each year and can be found in tourist info centres, shops, hostels etc.
Deer stalking season finishes on 20 October this year.
Enjoy the hills!