On developer portal, when i am looking into the Analytics - API Calls its showing me below graph. so my concern is how can i know what errors occurs so i can check it ?
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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