blog.frankleonhardt.com
VoIP socket pinout on newer Draytek routers (2820Vn etc)
Pin-out for Draytek VoIP routers single RJ11 socket (Model Vigor 2820 and some later models). This isn’t in the manuals, and trying to get it out of Draytek is like pulling teeth because it …
Leonhardt, F. J.