To answer 2)
Requests for FIS at non-radar units:
'Revised air traffic services outside controlled airspace have come into effect, Basic Service'.
Requests for FIS at surveillance equipped Air Traffic Control Units:
'Revised air traffic services outside controlled airspace have come into effect, confirm you require basic service'.
Requests for RIS:
'Revised air traffic services outside controlled airspace have come into effect, confirm you require Traffic Service'.
Requests for RAS:
'Revised air traffic services outside controlled airspace have come into effect, confirm you require Deconfliction Service'.