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Originally Posted by Redjake
how far away are you from the ISP, physically? if you are on the outskirts of the coverage area, that could explain it.
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That's my thought. As a former ISP tech support dude (my credentials are in my other pants), I know that when the problem
isn't CPE, it's due to signal degradation. DSL has a maximum range and the rule of thumb is that the further you get from the CO the worse the signal gets. That's not set in stone, though; any number of factors could cause poor signal or high noise, either of which could potentially cause very slow speeds. I notice you're in Malaysia and I really, truly don't meant to stereotype, but how is the quality of the telecom grid in general? Are your phones clear, or is there static on the line?
On your end, there are a few basic things we can run down to see if they're causing the problem. Your router probably isn't causing the issue, but it is possible, so doing a basic test could help. When you disconnect everything from the line, make sure it's
everything, including any and all phones, fax machines or whatever else. While you're at it, make sure they all have filters installed; an unfiltered device can generate huge amounts of noise in the frequencies used by DSL, making the connection either incredibly slow or severing it entirely. At any rate, once we've narrowed it down to one computer connected directly to your DSL modem connected directly to an outlet, we can get the clearest possible picture. If you get acceptable speeds with that setup, you can begin re-introducing devices one by one until you find whatever's causing the issue.
Given that your ping time is in excess of 4 seconds, I'm inclined to believe that the problem here is noise on the line. The next step is to figure out whether it's coming from you (and can therefore be readily fixed) or if it's coming from somewhere...
out there.