Numerous incidents of anomalous speaking are reported to have occurred during the 'Centrahoma Poltergeist' case that became widely known in 1995. In comparison there are fleeting incidents of phenomenal voices described by witnesses of the 1995 'Rochdale Poltergeist' case in England. A chronological list of 'talking poltergeist' cases described in articles at this blog (with one additional article link) shows the universality of the phenomena throughout the centuries.
http://metaphysicalarticles.blogspot.com/2015/12/list-of-talking-poltergeist-accounts.html
http://metaphysicalarticles.blogspot.com/2015/12/list-of-talking-poltergeist-accounts.html
