Just wait 7 years. All gone :)

these mass sms/txt are originating from an organisation called Collection House.http://www.collectionhouse.com.au/

"Call back now on (07) 3017 3911" was the full message. Oops.

Yes, same here, I get sms saying to call back, quoting a reference number every couple of months .... I am ignoring them, though would love to know who the company is so I can do the same back!

me too... what is it?

i got similar msg as above.
has happened several times in the past
asks me to call (07) 3017 3911
and quote 48** **** **5
can we get back at these clowns - i have the mobile number the msg orignated from
0421 XXX XX4

If you have a debt with another company, they hire places like this to contact you, let you know what it is and work out how to clear it.usually the only ones that avoid these are the ones that dont pay bills on purpose.  Call them, if its wrong, they can fix it, if you owe it, deal with it!