The outcry over the Google Voice ban on the App Store is still going strong, with hundreds of news stories, developer posts , and complaints putting the story in and out of Twitter’s top trends for nearly three days running. Much of the blame has been directed at AT&T, over beliefs that the carrier forced Apple’s hand in its decision to ban the applications. Now it looks like AT&T believes it’s been wrongly accused, and it’s beginning to take a stand for itself.