Is the SMS Sending Time Restricted? (Chinese Mainland SMS)
In actual service scenarios, a user may frequently obtain SMS verification codes to log in to an app or a website, or to retrieve a password. Platform SMSs may be maliciously invoked. A large number of SMS sending requests are sent within a short period of time. Too many SMSs are sent to the same mobile number, causing user complaints. To prevent these from happening, Huawei Cloud throttles requests for sending SMSs to the Chinese mainland as follows.
|
Item |
Maximum Frequency |
Description |
|---|---|---|
|
Maximum number of SMS messages sent to the same phone number |
15 SMS messages/minute |
A maximum of 15 SMS messages can be sent to the same phone number within one minute. Excessive SMS messages sent to the phone number are restricted. |
|
50 SMS messages/24 hours |
A maximum of 50 SMS messages can be sent to the same phone number within 24 hours. Excessive SMS messages sent to the phone number are restricted. |
|
|
Maximum number of times a same SMS message can be sent to the same phone number |
2 times/59 seconds |
A same SMS message can be sent to the same phone number for a maximum of two times within 59 seconds. Excessive SMS messages sent to the phone number are restricted. |
|
5 times/59 minutes |
A same SMS message can be sent to the same phone number for a maximum of five times within 59 minutes. Excessive SMS messages sent to the phone number are restricted. |
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