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RingCentral Softphone SDK for TypeScript

Build headless RingCentral calling integrations in Node.js. The SDK supports inbound and outbound calls, audio streaming, DTMF, transfer, hold, and unhold without a browser or graphical interface.

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What you can build

  • Answer, decline, place, cancel, transfer, and hang up calls.
  • Receive decoded audio and stream audio to a remote participant.
  • Send and receive DTMF.
  • Run multiple headless softphones from a Node.js service.

Documentation policy

The repository README is the source of truth. This site organizes the same supported behavior into task-focused guides.

This project replaces the retired RingCentral Softphone SDK for JavaScript and is recommended for new integrations.

Start here

  1. Install the package and obtain SIP credentials.
  2. Answer or place a call.
  3. Add audio or DTMF.
  4. Start from a maintained demo.