omg. you can't just fuzz the technical details? ::Huge dramatic sigh of doesn't-want-to-be-at-workness::
i don't know. it can probably go either way. they step through a portal and wind up where they're meant to be, or they can opt to be asleep for the transfer?
alt-comm return-to-canon threads would be ... wherever you want to play them from, but i'd think already at their destination would be the better place to start? Is just my opinion though.