How do I change a phone number of an extension with another with API?
I am able to lookup phone number assigned to extension but not able to make a change through API..
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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