[BC] Sine Systems

[Dana Puopolo]

Sure there is:

http://michigantelephone.wordpress.com/2008/04/23/review-of-ring-voltage-booster-ii%E2%84%A2-from-mike-sandman-enterprises/

-D

------ Original Message ------
Received: 01:47 PM EDT, 06/04/2012
From: wpio-fm <wpio at gate.net>

The Sine RC doesn't respond to the ring voltage of a Magic Jack.

I guess that has been discussed here before, and there's nothing that 
can be done about it.

Randy
wpio