you may be able to salvage and reuse some of your existing 2-pair wiring going to locations which will only require access to one or two lines. Just make sure that they only go to one jack and route them to the hub. If the cable will not reach the hub you will either have to rep...
These microfilters are commonly installed by telephone companies providing splitterless DSL service, and they are attached either at the wall jack or the telephony device to protect the telephony device from high-frequency interference. This would appear to be a feasible, if expensive, solution ...