So unfortunately I'm stuck on PHP 5.2.3 and cannot upgrade, thus cannot use the official PHP SDK. I need examples of how to set up the FaxOut after obtaining a valid Access Token. Been stuck for the past 3 days.
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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