Received an email that we have a large number of HTTP 4XX errors. I can see they come from Oauth/Token. But I have no idea how to fix this issue
Using the RingCentral Phone for Desktop, you can dial or receive test calls, send and receive test SMS or Fax messages in your sandbox environment.
Download RingCentral Phone for Desktop:
Tip: switch to the "sandbox mode" before logging in the app:
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