It would have been a good option if rate-limit configure option would have been provided to the users to configure on their API. Need an enhancement if possible, that will reduce complexity and empower user to put the rate-limit as per their use case without involving Dev support team in every case.
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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