Feature not available error

Hi ,
we are trying to update the call solution but facing the issue in API response . Because of this error Freshwroks Dinesh blocked in testing the app and we are also waiting for app approval. please find the request below

{ method: 'POST',
   { authorization: 'Token token=XXXXXXXXXXXXX',
     'content-type': 'multipart/form-data;' },
   { phone_call:
      '{"call_direction":true,"targetable_type":"contact","targetable":{"last_name":"Knowlarity_Authentication_Test","mobile_number":"+910000000001"},"note":{"description":"Authentication ticket from knowlarity"}}' },
  json: true }
{ errors: { code: 403, message: [ 'feature_not_available' ] } }

Hello all,
Any one knows about it.

Is it possible for you to share the request method code snippet that got you this response?

Also sharing this here just in case it helps,