Phone calls from laptop

JD jd1008 at
Fri Jul 16 20:14:00 UTC 2010

  On 07/16/2010 12:53 PM, Roberto Ragusa wrote:
> Frank Murphy wrote:
>> On 15/07/10 19:24, JD wrote:
>>> That's not what the user wants.
>>> He just wants an app that will use the regular standard phone line
>>> to make person to person calls using the local telco service.
>> Not sure it's possible currently,
>> aside from asterisk which may be overkill.
> It should be technically feasible.
> Modern modems are not modems anymore; they are just sound cards
> attached to telephone jacks, so if you want to exchange data with
> another modem you need a softmodem driver which is a DSP-like software
> mathematically creating the correct sound waveform to play into
> the line.
> With this kind of hardware, sending audio captured by a mic to
> the they-call-me-modem-but-i-m-a-soundcard component should be
> quite easy to do.
> But I don't know if such a software exists.
Isn't that accomplished by this windows app?

Also, what about this free linux app?

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