First of all welcome smigs and what a great way to contribute with your great find.
You might have watched the several phone realted threads lately.
This is for reference only and has nothing against you

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I got an open box one plus an extra handset for $75, but probably will return it.
Being spoiled by the quality of Cybergenie, the handset seems (is) quite clumsy. It is much larger and thicker. It is also way heavier.
And it has a zillion units to do the functionality of the Siemens for instance.
One unit is just for caller ID, the other is just a transmitter, then there is the basephonestation, and the charging/resting station for the Handset .
All these have their own power supplies (4 in all!!) and must be connected sepeartely to the phone lines!
This is targeted at simple small office phone setups with much wiring space.
I'll probably give it to a friend of mine who has a small office, this would be the ideal late Xmas gift for him.
Thanks for the great find, smigs!