What is a telecom mobile phone business card?

Hello, telecom telephone/mobile phone business card is a new business card service based on fixed telephone or mobile phone launched by Anhui Telecom. After handling this service, any mobile phone user will receive a pre-set short message from the merchant after dialing the merchant's fixed telephone or mobile phone, and the short message content can include the merchant's publicity and product promotion information. It has the characteristics of concreteness, convenience, timeliness, low cost and strong timeliness.