Which DECT phones are reliable?

Question

Telephony

I threw out three Panasonics recently, all the buttons die. Siemens, as I understand it, is also blown away. What manufacturers have not yet begun to hack?
And another question - which of the manufacturers of DECT phones support the Russian-language interface in all models, even those sold abroad?

Answer 1

I still vote for Siemens GIGASET

Answer 2

Cisco, probably