For technical support after you buy:
HP Calculators – Australia 1300 551 664 begin_of_the_skype_highlighting 1300 551 664 end_of_the_skype_highlighting
Logitech (other than remotes) 1800 025 544 begin_of_the_skype_highlighting 1800 025 544 end_of_the_skype_highlighting
Logitech ( Harmony remotes only ) 1800 726 063 begin_of_the_skype_highlighting 1800 726 063 end_of_the_skype_highlighting
All other vendors – contact their Australian office.