For our new sandbox account we are getting Reg MSG-242", "message" : "The requested feature is not available".. can you please let us know the reason for this code? In my account it's showing active.
Can you check if you are able to send messages via softphone.
Same issue I can find here
Also check the phone number you are sending the sms request in api
I am also facing the same issue: RCRequestId: 4b53b64e-9d3c-11ea-82f2-005056bbcdd9 and number +14705025057
can you validate this number registered correctly?
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