Caller display service is a service that can automatically display the caller's number on the display screen of the phone, and can know the caller's phone number in advance. Caller display, also called caller number display, is generally divided into on-hook state and off-hook state. It has the advantages of clear incoming number, no answering number reservation, anonymous harassment and so on.
Different banks have different telephone numbers for notification and reminder. The specific telephone numbers are as follows: China Construction Bank: 95533 Credit Card: 8008200588 Bank of China: 95566 (call center).