Maybe something like this [1] cell phone that looks like a traditional landline phone would do? [1] https://www.amazon.com/Opis-Technology-Cellphone-Push-Butto

Maybe something like this [1] cell phone that looks like a traditional landline phone would do? [1] https://www.amazon.com/Opis-Technology-Cellphone-Push-Button-Telephone/dp/B09VHC6YYQ/ https://www.amazon.com/Opis-Technology-Cellphone-Push-Button...