Build Your Own Chat-Cord
Mr. Blond writes "Here is a description of how to build your own chat-cord for only 7 euro.
This is a solder free version of the hack shown in this earlier Slashdot article.
Now you can use any plain old phone to make calls over the internet, using Skype MSN-audio or any other VoIP software. Even the software from chatcord works fine with it, to make and accept calls using the buttons of your phone."
Google Cache
I just want to warn everyone that he is in the Netherlands. I know it's not exactly revelant to this project, but telephone standards are fairly different in the USA and Canada.
We use 48v @ 20Hz to ring.
On Hook is 52v at 300 to 1800 ohms.
Off hook is 12v at 680 ohms (ideal).
FreeBSD: The Power to Serve!
The real chat-cord only costs $24.95 USD. This solution would cost $8.33USD by using raw Euro to USD conversion. For this little savings, I would just buy the chat cord and get the included software that works for windows and mac.