[MLB-WIRELESS] Free P2P phones will pressure telcos
tlangdon at atctraining.com.au
Wed Nov 12 15:30:23 EST 2003
> 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.
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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