I am able to send SMS using sandbox number "+12679304013”.
When I try to send it shows
{
"errorCode": "FeatureNotAvailable",
"message": "The requested feature is not available",
"errors": e
{
"errorCode": "MSG-242",
"message": "The requested feature is not available"
}
]
}
reference
"errorCode": "MSG-242", "message": "The requested feature is not available"
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Sandbox phone numbers do not support SMS out of the box anymore.
You should try directly on your production phone number.
Or, submit a dev support ticket to ask for enabling it. This will take a longer time to process and not be recommendable because it’s just a temporary solution.
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