At the master socket is the prime one to go for. The extra benefit from removing it at extensions is relatively small.
Removing it at the master can add as much as 1.2Mbps to the connection speed - we have seen that figure on these forums. It isn't usually that much, but it is normally a significant gain.
The ring/bell wire is what made old type phones ring, the ring being generated within the master. Most modern phones can generate it within their own circuitry, though a tiny minority apparently can't. This doesn't normally matter, as the dangly filters also generate it.
My broadband basic info/help site - www.robertos.me.uk
| Domains,site and mail hosting - Tsohost
Connection - Plusnet
UnLim Fibre (FTTC). Sync ~ 56.6/14.1Mbps @ 600m. - BQM
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- Jean-Antoine Petit-Senn.
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Edited by RobertoS (Wed 13-Aug-14 14:13:41)