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| ADSL dropouts and phone filters Posted: 30 Oct 2010 11:24 PM PDT This seemed like a common problem at first: Customer purchased a new cordless phone, plugged it in, and now, whenever the phone rings (or a call is made), his ADSL internet connection drops out for a few minutes. In most cases this just means the new phone is connected to a new outlet that doesn’t have an ADSL filter connected. So I go to plug in a line filter, but find that the phone doesn’t work… no dial tone, nothing. Next step is to try a normal “corded” phone… these are getting rare nowadays… Well, I get the same problem… no dial tone… the phone line is dead. So I ask: have you ever used a phone on this outlet before (I’m starting to think that the phone plug either goes nowhere, or it was for a second phone line). But the customer is sure it was used for a phone a few years ago. OK, maybe some corrosion on the contacts… this is one of those old-fashioned Australian plugs from 20 or 40 years ago… about 1 inch square. So I insert and remove the plug about 5 times… and the phone now has a faint dial tone… but the line quality is very noisy. I try another 5 “in and outs” to remove some more corrosion, and the phone line now sound good. Now I plugin the filter and the phone goes dead again… hmmm, maybe a faulty filter… some filters are more problematic than others… I try a different filter, and the phone is now working again. I now plugin the cordless phone, and it too is working. Next, I make a call while watching the ADSL modem, and it maintains an internet connection while I call. All fixed! (but with a few minor hiccups along the way!). Related posts:
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