Ah well. They should have said that years ago and people wouldn't have hoped for it at every firmware update.'
"Once a game gets RAM we never give it back, its not possible to retrofit something like that after the fact The game has to use its own memory to do [in-game voice chat]. Theres always voice chat in the game. But its a part of a game feature. Its not a part of an OS feature. Thats the reason in terms of the ability to have voice chat across different games."
http://www.thesixthaxis.com/2011/08/19/cross-game-chat-for-ps3-not-possible/comment-page-4/
"Once a game gets RAM we never give it back, its not possible to retrofit something like that after the fact The game has to use its own memory to do [in-game voice chat]. Theres always voice chat in the game. But its a part of a game feature. Its not a part of an OS feature. Thats the reason in terms of the ability to have voice chat across different games."
http://www.thesixthaxis.com/2011/08/19/cross-game-chat-for-ps3-not-possible/comment-page-4/