We are getting an error when a non-US user tries to authorize against our client.
Error message is OAU-233: The client doesn't support user's brand
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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