currently there is no way to transition between servers from within the Fugue Plane while on the Guldorand server
moreover, the default respawn location seems to be located in the city port district, which is fairly inconvenient if you're an underdarker, exiled from the settlement, or if you just happened to die somewhere within the city itself and do not wish to break immersion for other players
adding the same kind of server transition as the ones between the Surface/Underdark/Cordor & Planes servers, even just one-way from Guldorand to Surface, would resolve this issue