Yet another DS game with voice chat... come on Nintendo, let's get the Wii caught up to the DS!
More info:
http://www.dsfanboy.com/2007/10/15/advance-wars-days-of-ruin-to-support-online-voice-chat-and-ma/
More info:
http://www.dsfanboy.com/2007/10/15/advance-wars-days-of-ruin-to-support-online-voice-chat-and-ma/