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troubleshooting Question

Faxes interrupt Internet traffic.

Avatar of Barthax
BarthaxFlag for United Kingdom of Great Britain and Northern Ireland asked on
BroadbandNetworking Hardware-Other
25 Comments1 Solution911 ViewsLast Modified:
We have a customer with a standard ADSL connection in the UK.  They are using a router which works happily & the line is shared with a fax machine.  There are two extensions to the phone line & the ADSL itself remains stable when no faxes are being sent or received.  Whenever there is fax traffic, the Internet access slows to a crawl, often breaking connections.  The router shows no sign of there being any drop in the connection rate nor is the Internet access ever dropped.  Both of the telephone extensions are filtered - one with BT's own ADSL filter at the socket and the other with a standard Belkin filter.

This isn't the first customer we've experienced this issue with, thankfully the other customer doesn't use the Internet very much at all, so they've elected to live with it.  I'd much appreciate any kind of solution to why this is occuring - this second customer relies on their Internet connection & we can't explain why the faxes interfere when the connections are filtered - we're 100% sure the filters are working.
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