Only the Sandbox RingOut API is affected. Other Sandbox API calls and dialing options using the softphone and WebRTC are functioning.
Please stay tuned as our team works to resolve 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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