What is the business of hanging up SMS? How to deal with it?

Hello, customers with fixed telephones and prepaid Tianyi mobile phones can pre-register through the number 10000. Postpaid Tianyi mobile phone customers: You can handle the on-hook SMS service through the number 10000, account manager and business hall.

On-hook SMS is a brand-new live broadcast media provided by China Telecom for fixed-line and Tianyi mobile phone users. When judging the call status of the called party, if the system meets the settings of the called party (such as connected, busy and no answer), it will selectively send the called party customized short messages to the calling customers belonging to mobile terminals (including Tianyi mobile phones, PHS and other mobile phones).