Hello, we're trying to send SMS through Ringcentral's API but we get the following error message:
Failed to send message: Client error: `POST https://platform.ringcentral.com/restapi/v1.0/account/~/extension/~/sms` resulted in a `403 Forbidden` response:
{
"errorCode" : "FeatureNotAvailable",
"message" : "The requested feature is not available",
"errors" : [ {
"e (truncated...)
The application was previously tested in sandbox and passed all the validation requirements and is now in production. We have also registered our company's campaign with TCR and we got approved 2 days ago, but we still get that "403 forbidden" error. We are using all the production environment credentials. The phone number used for this is: 18004674112