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i need a little central circuit?


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    I bought a Phone at Radioshack that can do that. I can dial on both lines, but one on hold and talk on the other. Or haha but them both on hold and walk away. Neat the phone only cost about 20 bucks
                                      have fun

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Yeah, if you get two phones that have hold buttons on them, you can connect buzzers/buttons on the spare pair of the wire between the phones, to alert the other phone that a call is for them.

I got a cheap phone with a hold button. It plays awful Chinese music on hold that repeats over and over and over and over and over. :'(

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