Red bean card is one of them, aiming at the main reason of the title of electric sales, the high-frequency dialing title mechanism. The red bean virtual business card realizes the call, and the call line used is different from the ordinary calling card, so it can not dial directly, which can avoid the high-frequency dialing detection of the basic operator system to some extent. In addition, it also has many functions and characteristics such as long call time, which is very helpful for telephone sales.

Dialing is the process of calling another computer or network with a modem and logging in. When a user connects his computer to a telephone line with a modem, he can establish a connection with the host by dialing the telephone number to the remote host.