I think this has more to do with advertising something with correct description , although if it received wide publicity Yale would be damaged and probably try to do CG
You need air time then it will get attention otherwise no one gives a monkey
Many panels can do 1&2 , 3 depends in who fits it and how well you maintain it, many don't bother with any maintenance and end up replacing the system again after a few years
For the dialler Connect the
+13v To +
- 0v to -
B to tr1 (b Aslong as it's the negative bell trigger)
This is simplest way
D BELL is the plus + hold off so don't get confused by that or AMP lol