Electronic boarding passes, which essentially turn the hand-held devices and mobile phones of travelers into their boarding passes.
Some of the companies that are involved in mobile ticketing.
At least half a dozen airlines in the United States currently allow customers to check in using their mobile devices, including American, Continental, Delta, Northwest, Southwest and Alaska.
But so far, Continental is the only carrier in the United States to begin testing the electronic passes, allowing those travelers to pass through security and board the plane without handling a piece of paper. Their boarding pass is an image of an encrypted bar code displayed on the phone’s screen, which can be scanned by gate agents and security personnel.
The technology being tested by Continental uses a two-dimensional encrypted bar code, which is much tougher to copy than the one-dimensional bar code used by many airlines for boarding passes printed online. And that is a major reason the T.S.A. is expected to embrace the technology.
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