Thanks for the input. I don't have any Callmasters, but I did find a unit that worked. It was a very old 2500 unit! Must be back in the day when things were "carbon" dated. :)
Mark Belcher
I just pulled a 302B console off the shelf and turned on a second attendant console. I'm not sure of the history of the unit, but the handset packaged with it doesn't work. I have swapped plugs, cables, and handsets with my working console and it appears that the 302B requires a particular...
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