What is the telecom hang-up advertising SMS service?

In order to better serve the fixed-line users, Ningxia Telecom launched the on-hook advertising short message service. This service is an enterprise short message advertisement active push service. After applying for this service, the enterprise's telecom fixed telephone can easily publish advertising messages according to this number. When any mobile phone user (telecom, mobile, Unicom) dials the enterprise number and hangs up, according to the dialing situation, such as normal call, busy line, no answer, etc. , the on-hook advertising short message service system will extract different advertising short messages set by the enterprise number and send them to the mobile phone users who dial the enterprise number in real time. For more service benefits, click on "official website" customer service 220 below to answer your questions.