I recieved the following SMS from 3810 on the 20th of July:
FreeMsg:WIN $1000 FREE in TODAYS BUMPER QUIZ. Question? Would Mel Gibson be seen on SCREEN or on a DONKEY? Text SCREEN or DONKEY to 3810
I rang Vodafone and they said it was a subscription service called C Tones and to call them to unsubscribe. They werent interested in making a complaint about the spam.
However I have never subscribed to their service and this looks like a scam to me. I bet that if you replied to their "Quiz" you would get subscribed to their service.
This raises a question of why Vodafone permit these services to operate on their network. Perhaps their share of the revenue (rumoured to be 50%) might have something to do with it.