informazioni su filtri adsl - links utili

http://assistenza.tiscali.it/adsl/fa...ogia_adsl.html
http://libero.iol.it/accesso_interne...cnologia.phtml
www.iuslex.it/adsl/faq2.html
www.2wire.com/products/dsl_fil.html
www.innerspan.com/phoneline.htm
www.sager.com/scripts/pulse_dsl.asp
http://www.isomatic.co.uk/ADSL.splitter.htm
www.excelsus-store.com/
www.dslreports.com/information/kb/filter
http://cable-dsl.home.att.net/#dsl_phone_problems
http://www.officedepot.com/shop/cata...=1803&LEVEL=CT