hi, I would like to request MMS sent to be allowed from toll free numbers. Already we can receive MMS on 800 numbers but not send MMS. Please allow that.
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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