First got the runnaround on their helpdesk about a month ago give or take. If the TDR say the 6 weeks thing then it just proves it a total farce IMO, but when I emailed to ask they said that it was a case by case thing so I have hope that something will happen. Im just not looking foward to trying to find another ISP if SS dont pull finger and get it working as it should since it will mean downtime and costing more since most make you buy an archaic landline.
If you lodge a complaint with the TDR, you need to make sure you have made ample attempts to get it resolved- ie: a call to lodge a complaint with Slingshot so they are aware of it, following any troubleshooting tips they ask you to complete, as most faults are resolved in the customer-end troubleshooting. Trust me, you DON'T want them booking a tech out to investigate and have him then show you that it's your cable or filter that's faulty, and charging you the $80-$100 call out fee for wasting his time.
Once that's done, you follow up or wait for them to follow up, and if there's still no result after a few weeks of these being done, lay a formal complaint with the ISP (ie: a manager).
If the ISP refuses to help you after this, that's what the TDR is for.
I've had to deal with customers who moved house, didn't notify us, then had massive toll charges when family moved in and used the phone to call satellite phones in Samoa. We sent them a bill, they refused to pay, we Baycorped them, they went to the TDR.
That's not what the TDR is for, and the customer was politely told by all where he could stick his complaint.
The TDR is for when it has become obvious that no amount of dealing with the Telco is going to resolve your issue.
Contrary to many people's beliefs, they are not like Fair Go, and not there to police the Telcos, they are a peace keeper.
I hope this helps. It sounds like you may have a case, but I'd suggest giving it another go at getting a result from Slingshot first.
Just FYI there are plenty of people confirming the throttling, this is a very widespread issue that slingshot definitely knows about, no doubt about that. Check GP forums + Slingshot forums if you want to know what im talking about.