What is the SMS blacklist and how to view it?

SMS sending failed for the following reasons:

1. SMS center number is not set correctly. Is the SMS center number set correctly? (The number of SMS centers varies from province to province. For details, please contact Unicom's manual customer service. )。

2, mobile phone arrears downtime, mobile phone arrears downtime, pay arrears can be restored.

3. SMS blacklist is included in SMS blacklist because the information sent by mobile phone contains illegal wording in telecom industry. If you need to use it again, the owner must bring his valid ID card to the business hall to cancel the SMS blacklist.

4. At the same time, you can check whether the mobile phone is back to normal or try to replace the mobile phone card.

If you have any questions, please click /qA5yV for consultation.