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To: David Wiggins who wrote (5294)1/18/1999 9:06:00 PM
From: Sowbug  Read Replies (1) of 14778
 
Actually there is 'phone doubler' by Ericsson which will do this, but it is a software program that my ISP must (and does not) support.

Yes, that's quite likely, but what they're really talking about is a special setup that has a bank of telephones on the ISP's side that call whomever you ask them to. In all likelihood this program is just another one of those Net Phones that sort of work but mostly suck.

I don't see why it isn't possible as I listen to the radio on one internet channel, and surf to others simultaneously. Multiple signals can be sent over the same wire at the same time as long as there is a way of distinguishing and separating the signals.

Yes, multiple signals can be sent over the same wire, but that's not what's happening when you surf multiple channels and listen to Internet radio. TCP/IP, like virtually any network protocol, is a packet-based protocol that allows many transceivers to share the same network lines. So anyone speaking TCP/IP can speak to anyone else speaking TCP/IP. Internet radio is not radio in the traditional sense -- it's just another TCP/IP program, like a web browser or multiplayer network game. The modem connection is hogging the line as much as a voice call; it's just that it hogs it with a packet-based protocol so that all sorts of TCP/IP connections can happen simultaneously.

Your telephone is analog. A voice connection is entirely analog (with some digital transformations midway that aren't relevant here). The day the phone company switches all telephones to TCP/IP is the day (a) the phone company goes bankrupt; (b) ATHM stock zooms to $50,000/share; (c) the world as we know it ends.
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