Product: Mobile > Cell Phones > AT&T Cell Phones > SGH-X427T
My SGH-x427m Beeps about Once Per Minute, How Can I Turn This Off?
The tone being heard during a call is most likely the Minute Beep feature. This feature is meant to serve as a reminder of the minutes you have used on a particular call. You can disable the Minute Beep by following the steps below:
more information on the SGH-x427m click