What text message do I send to buy an ticket or day ticket via sms? Can I purchase an ticket or day ticket via sms through a foreign mobile phone operator? What should I do if my ticket via sms available time has expired? Which mobile operators offer tickets and day tickets via sms? Can I buy an ticket or day ticket via sms after I have boarded the bus or tram? Can I use free text messages to purchase an ticket or day ticket via sms? What if my smartphone battery is empty or there is a malfunction during the check of my SMS ticket? What if the mobile phone network is temporarily not working or is disrupted when you purchase an ticket via SMS? Can an ticket of day ticket via sms be forwarded? What happens if I don’t have enough credit to purchase an ticket or day ticket via sms? What’s the difference in the way SMS purchasing works between prepaid and postpaid mobile phone users? Can I purchase tickets or day tickets via sms if I have a business contract for my mobile phone?