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Question

Error Code: CMN-405

  • 4 May 2022
  • 1 reply
  • 355 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

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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.

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