Can you explain what SMS means?

[Bunglie]

I went to order some tickets from the Trainline yesterday and normally I have time for them to post them to me, however as this was so close to my travel date and not enough time for them to post, the form said "send SMS", can someone explain what this means?

Message withdrawn

A text message onto your mobile phone, i think it means short message service.

you can also do them from some ISPs

I could from TISCALI for free!!!!

The one good thing they did but you cant get a reply

Thank you.
I am a bit surprised as I would have thought it would have been easier to confirm by email, and I did fill in the bit saying I would collect them from the station. I don't remember giving them my mobile number, but thank you anyway.

short messaging service