[MLB-WIRELESS] Free P2P phones will pressure telcos
jalovick at doof.org
Wed Nov 12 15:51:33 EST 2003
On Wed, 12 Nov 2003, Tony Langdon wrote:
> > I was thinking recently how nice it'd be to use a normal
> > phone for VoIP.
> > I have an old FM analogue cordless phone at home which I'll
> > see if I
> > can hotwire the soundcard to the internals, bypassing the transhybrid
> > circuit and gyrator and hook the lineout and mic directly to
> > the audio
> > lines on the radio section. You could possibly hotwire a pin
> > from the
> > parallel port to activate the ring logic too.... Hrmmmmm.....
> > Anyone done this, BTW?
> No, but very doable, and of dubious legality, because the phone is
> also a type approved radio transmitter, and the mods would most
> likely void that type approval. Still, an interesting idea.
Yeah, the device would fall under a class licence.
> The way around that issue would be to interface the PC to a phone
> line simulator, which the phone plugs into. Hmm, how easily could
> we simulate a phone line using a PC and some add on hardware? Gee,
> you could have busy signalling and all, if the software supported
> it. :) This approach would also allow the use of unmodified
> landline handsets.
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