My question is, How to check my history of created call and SMS using the SDK?
you can take help from here - https://developers.ringcentral.com/guide/messaging/pager/sending-pager-messages
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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