In article
,
raypsi wrote:

another thing voip phone service can't be demodulated with anything
but a voip box. the modulation techniques they are using can't
demodulated except with a voip box. And when they are in RF form the
cable modem has to demodulate the cable signals.

BS... there are plenty of Computer Apps that can demod VoIP streams,
and None of those are VoIP Boxes......