Here is a phone system that combines with Bluetooth headphones for wireless calls. The Panasonic KX-TGF892B Phone system comes with smart call block function. It has 2 handsets but you can expand that to 6 cordless handsets. This phone also has a bilingual talking caller ID.
You can pair up to 4 of your headphones to this phone system. You can block up to 1k phones with 1-touch call block function.