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by Animats 1356 days ago
Yes, I would have expected to replicate the standard user interface. That's what we did, here.[1] (at 00:08). That antique phone (actually a 1970s replica) produced a dial tone if lifted, and then you could dial calls. It's running over cellular, via a commercial box that interfaces landline phones to Bluetooth, comprehends dial pulses, and can generate ring voltage.

[1] https://vimeo.com/124065314