Using the desktop SMS app and the API send SMS if the text has the number 667 the message errors out. Why is that ? We text case counts to drivers so this is an 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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