According to the query, the setting steps of the SMS content of fixed-line telecom hang-up are as follows:
1. Send SMS and confirm the charge. Send SMS "enso" or "SMS signature" to the mobile terminal to confirm the current charging standard, such as "Reply to enso to confirm the opening of 0. 1 yuan/piece".
2. Send SMS and confirm the customized information. Send SMS "TD unsubscribe SMS signature" to the mobile terminal to confirm whether to continue unsubscribe, such as "reply TD unsubscribe SMS signature to confirm unsubscribe".
3. Check whether the SMS function is enabled. Send SMS "ATUS service instruction inquiry" to check whether the service instruction status is "not enabled".
4. Check whether there are other customized services. Send SMS "ATUS service inquiry" to see if there are any other customized services.