A little over a year after launching its Push-To-Talk (PTT) service, Cingular Wireless, now part of the new AT&T, today gives customers the option of experiencing the service on a pay-per-use basis. Customers can now use the company's PTT service, as needed, for $.15 per minute. In addition, a customer can receive several enhanced PTT features unavailable on similar services offered by some other carriers including: - Availability - unique icons allow PTT users to see if other PTT customers ...

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