On Tue, 22 Sep 2009 12:25:32 -0700 (PDT), fftt wrote:

my last wired phine work ~2005 polarity did matter, so if you try
red & green one way and oyur phone doenst work; swap them

Polarity only matters for Touch Tone dialing. If your phone is a rotary
either way is fine.

Don www.donwiss.com (e-mail link at home page bottom).