AT&T has released a new iPhone app, AT&T Video Link. The software is meant exclusively for iPhone 4 users, and connects deaf or otherwise hard-of-hearing people to AT&T's video relay service (VRS). This allows calls to people with regular hearing by way of an American Sign Language interpreter.
The app is free, as is the VRS service, through which unlimited calls can be made. Like the iPhone 4's built-in FaceTime function, however, calls can only be made over Wi-Fi, not 3G. Matching Mac and Windows clients have been available for some time.
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