Probably a completely irrelevant question as the show isn't seen live overseas as far as I know...

But are voting telephone numbers restricted to UK / ROI?

As far as I'm aware, they are. You can't ring foreign 08/09 numbers from another country.

said in a stuffy posh old woman voice 'Who's The French Girl?'

said in a loud mouth Yank American Voice 'Come on Jennifer!!!'

said in a faint french voice 'Amelie!'