I cannot send sms by the sandbox account. The status of the message is "SendingFailed".
I also try using the production account to send SMS. It successfully.
Is there an issue with the sandbox account? Please advise. Thanks
I cannot send sms by the sandbox account. The status of the message is "SendingFailed".
I also try using the production account to send SMS. It successfully.
Is there an issue with the sandbox account? Please advise. Thanks
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