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Error Code: CMN-405

  • May 4, 2022
  • 1 reply
  • 364 views

Hi everyone, I get a CMN-405 error. Any ideas why this may be happening? Thanks! ![3316-image.png][1] [1]: https://uploads-us-west-2.insided.com/ringcentral-en/attachment/3316_image.png

1 reply

PhongVu
Community Manager
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  • Community Manager
  • May 4, 2022
It is clear that you have not authenticate your app to access the platform. Read these documentation to learn how to create and app, authenticate and call the APIs https://developers.ringcentral.com/guide/applications https://developers.ringcentral.com/guide/authentication https://developers.ringcentral.com/guide/messaging/fax/sending-faxes Ask in a different thread if and when you have a particular question.