I dont understand the phone call thing as when I spoke to them today HR said they they are only doing the invitations to interviews by mail.
I was told they were only doing phone calls, so... god knows what's going at Metro HQ.
Unfortunate that you didn't get an interview, but at least you have a bit more knowledge of their recruitment process now!
I also must agree with the application form, the application form I've seen for the CSA roles is terribly designed, with not much asking about what you can actually do and more just wanting to know what qualifications etc you have. To me, recruitment should be about the person and their skills, not about their education history or even work history to a certain extent.
Keep an eye out though, as their should be quite a few vacancies opening up elsewhere in the company. Mostly CSA roles as they are currently extremely understaffed - their advert where they said they hired 30% more staff is a joke to say the least, I've spoken about that in the main Metro thread though.
For those with interviews, Good Luck (!) and do let us know how it goes.