said by FiL 
:True... I've been doing this since my AIM days...
Even Messenger and Yahoo...
A friend of mine used to call me using one of these IM proggies wayyyy back, before 6meg DL's... It was laggy, but it also was a free long distance phone call.
I remember back in '95 when they had TCP/IP clients (some windows 3.11 program, don't remember the name now) to do this as well. It worked great over a 14.4 modem connection, no long distance bills. I use to talk to friends over it to save money when long distance rates were insane. Back when a lot of those mom and pop dial up ISP were around.
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