Answer:
AT&T phone payments is process through a secure internal AT&T system called "PaymentPro".
Option (D) is true.
Step-by-step explanation:
AT&T's PaymentPro is a secure internal system used to process phone payments for AT&T customers.
The system is not accessible to the public, and only authorized AT&T employees have access to it.
PaymentPro is a secure system that encrypts all data, including credit card information, to protect against fraud.
Customers can make payments through PaymentPro in a variety of ways, including:
Online: Customers can make payments online through the AT&T website or the MyAT&T app.
Phone: Customers can make payments over the phone by calling AT&T customer service.
Mail: Customers can mail their payments to AT&T.
PaymentPro is a reliable and secure system that helps to ensure that AT&T customers' payments are processed quickly and accurately.
Thus,
Option (D) is true.