i can no longer video chat with my friends using the google talk app on my phone. i have no idea why. the video camera icon is no longer showing up. it does show up online, using laptop on gmail but no longer on the app on my phone. whats the deal? ive checked all the settings on my camera and in google talk app and no avail. please help. i have software, 2.3.6 muc 6.2.0.3_b016_4, last updated on may, 2012