If you need application development technical supports, you can post your question right here in this forum. If your questions contain sensitive information which you don't want to share in a public forum, you can send your questions on a support ticket for our developer support team to respond.
All application development supports and consultant services related to RingCentral platform are free of charge.
RingCentral does have a Development Professional Services team and you can contact them for consultation
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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