up-country_sinclair Posted July 23, 2021 Share Posted July 23, 2021 (edited) Hi, Let me begin with the fact that this issue is not happening in Thailand. I'm in Ireland visiting elderly relatives, and their internet gets interrupted for a few minutes every time the phone rings or someone picks up the phone. Here's the situation: There are three phone jacks in the house, two are connected to cordless telephones and the the third is connected to the router. The router has an ADSL splitter between it and the phone jack (but again there's no phone connected on this splitter). It's just the wire from the router going into the splitter and then into the wall jack. This has to be at least part of the problem, right? I've put a phone call into their internet provider, but they don't seem in a rush to get back to me. I'm guessing / hoping this is an easy fix, and I'm asking the kind and knowledgeable members of this fine forum for sage advice. ???? Of course I can provide more information / details if needed. Thanks. ???? UCS Edited July 23, 2021 by up-country_sinclair Link to comment Share on other sites More sharing options...
ThaIrish Sean Posted July 23, 2021 Share Posted July 23, 2021 Do you have filters on the other extensions? Link to comment Share on other sites More sharing options...
up-country_sinclair Posted July 23, 2021 Author Share Posted July 23, 2021 44 minutes ago, ThaIrish Sean said: Do you have filters on the other extensions? No. Should I? Is that what the problem is? Link to comment Share on other sites More sharing options...
JayClay Posted July 23, 2021 Share Posted July 23, 2021 15 minutes ago, up-country_sinclair said: No. Should I? Is that what the problem is? Probably. Also is the router connected to the master socket. I remember once having problems when it was connected to anything but the master socket. Link to comment Share on other sites More sharing options...
Crossy Posted July 23, 2021 Share Posted July 23, 2021 If you plug a phone into the "phone" port of the splitter/filter does it mess up the internet in the same way? Link to comment Share on other sites More sharing options...
carlyai Posted July 23, 2021 Share Posted July 23, 2021 26 minutes ago, Crossy said: If you plug a phone into the "phone" port of the splitter/filter does it mess up the internet in the same way? Don't think he has filters. Link to comment Share on other sites More sharing options...
Crossy Posted July 24, 2021 Share Posted July 24, 2021 15 minutes ago, carlyai said: Don't think he has filters. 7 hours ago, up-country_sinclair said: The router has an ADSL splitter between it and the phone jack (but again there's no phone connected on this splitter). IIRC inside the filter/splitter the router connection is direct wired and there's a filter network to the "phone" port. I understand that the filter is actually to prevent the ADSL interfering with the phone but the other way round is certainly a possibility. 2 Link to comment Share on other sites More sharing options...
up-country_sinclair Posted July 24, 2021 Author Share Posted July 24, 2021 18 hours ago, Crossy said: If you plug a phone into the "phone" port of the splitter/filter does it mess up the internet in the same way? Thanks for your reply. I'll give that a try right now. Link to comment Share on other sites More sharing options...
up-country_sinclair Posted July 25, 2021 Author Share Posted July 25, 2021 I put a phone jack into the ADSL splitter and the problem remains. And I have a bit more accurate / specific information: The internet doesn't cut out when the phone rings, but when the phone is answered. The internet comes back after 2 minutes, even though the call continues When the phone is hung up, the internet cuts out again for two minutes. ???? Any ideas? Link to comment Share on other sites More sharing options...
FarangRimPing Posted July 26, 2021 Share Posted July 26, 2021 (edited) Some of the older cordless phones interfered with wi-fi. Can you check the frequency of the cordless? Is it 2.4 GHz? Maybe a solution is to turn off the 2.4GHz on the wi-fi and only use the 5.0 GHz. Edited July 26, 2021 by FarangRimPing Link to comment Share on other sites More sharing options...
Peterw42 Posted July 26, 2021 Share Posted July 26, 2021 9 hours ago, up-country_sinclair said: I put a phone jack into the ADSL splitter and the problem remains. And I have a bit more accurate / specific information: The internet doesn't cut out when the phone rings, but when the phone is answered. The internet comes back after 2 minutes, even though the call continues When the phone is hung up, the internet cuts out again for two minutes. ???? Any ideas? New splitters on every phone point (the ones that break-out a phone connection, not just filter the adsl), if you have an old non-wireless phone, use that for a day or so to see if its a cordless phone issue. You may want to look for a splitter that is hard wired at the lead in cable point. Link to comment Share on other sites More sharing options...
carlyai Posted July 26, 2021 Share Posted July 26, 2021 Sounds like it could be something programmed in the router because of the 2 minute timing. Maybe get a copy of the router handbook and look up telephone and internet setup. Link to comment Share on other sites More sharing options...
up-country_sinclair Posted July 26, 2021 Author Share Posted July 26, 2021 Gave up and called the ISP. They're sending someone out in the next 48 hours. We'll see. 1 Link to comment Share on other sites More sharing options...
up-country_sinclair Posted July 27, 2021 Author Share Posted July 27, 2021 (edited) ISP tech showed up today and sorted it out. I'm not sure what he did, but the issue is resolved. Sincere thanks to everyone who posted advice and suggestions. ???? Edited July 27, 2021 by up-country_sinclair 1 Link to comment Share on other sites More sharing options...
digbeth Posted July 27, 2021 Share Posted July 27, 2021 If the computers in the house is only connected via wifi, the cordless phone (near the router?) could be using the same frequencies leading to disconnections too Link to comment Share on other sites More sharing options...
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