I am developing SMS Application using RingCental API.
I've been using the sandbox account so far without any problems.
But, I suddenly found the message below today.
"The selected sandbox account doesn’t support SMS feature. Contact Customer Support if needed!"
My sandbox account: +14242994816#101
Your sandbox phone number is provisioned for SMS incorrectly. Let me notify the service team to fix that. Will let you know as soon as it's fixed.
BTW, they found out that you were sending a request to provision that number to support High Volume SMS? The number is provisioned based on your request but surely you cannot use it under your sandbox account. We will de-provision it and if you still need a High Volume SMS number, you have to choose a number from your production account.
Thank you. I can send SMS from sandbox again.
Hello @Phong Vu ! Could you please help me with the same issue
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