How can I retrieve all SMS Messages to/from a phone number from our entire account? I am only able to pull messages to/from a specific extension using the API test method.
You have to login your app as a super admin, read all extensions to get a list of extension ids, then call the user message-store endpoint to read each extension SMS message.
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:
6 People are following this question.