You install a splitter and filter at the phone line nearest the dsl router.Then you check to make sure it's working.If it is you proceed to install filters at all the other phones.
Generally, it is the telephone that needs a DSL filter. Otherwise, static and high frequency noises from the DSL connection will enter into the voice channel and make the telephone harder to hear.
Copper telephone wires
Try to install the DSL filter coming out of your phone.
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If one already has a telephone service, they will not need any additional phone lines installed in their home. DSL connections use the same type of cables as telephones do, so they can share the same line. A home without telephone service will need to have a standalone DSL line installed which is identical to a phone line.
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Yes, usually all of them. DSL is sent on another frequency then a voice call so the filter just filters the DSL frequency out so you can hear the other person, other wise it sounds like a lot of static.
Does a DSL connection need to go through my telephone company?
Your telephone provider can usually get you DSL service however it is not necessary. You can choose from any provider that offers service in your area. DSL no longer requires telephone services, some providers may still require it though.
The Excelsus DSL MicroFilter Excelsus DSL filter Z-200SM is recommended as a good filter for single-line phones. This model plugs into any standard phone jack and blocks interference between voice and DSL/HPN.
to do that you will need the DSL filter first. The phone cord needs to plug into one end of the filter box, while a cable goes from the filter box to the DSL port in the wall.
You need a DSL line and a DSL modem for a home connection. Contact your local phone company or ISP for a connection.