WebRTC Calling API
WebRTC Calling API
Enable in-browser voice calling with QuestBlue WebRTC Calling API backed by the our network
Build an integrated experience with in-browser calling
Our WebRTC Calling API (Web Real-Time Communication) enables you to quickly add voice calling to your web-based applications without the need for any telecom infrastructure.
Seamless in-browser calling and PSTN connectivity
To truly power voice calling in your web application, you need flexible SDKs that deliver SIP and PSTN connectivity. Our WebRTC Calling API allows you to integrate both, eliminating the need for complex, expensive telecom server components.
High-quality & cost-effective WebRTC calling
Access direct-to-carrier network quality to ensure the clearest conversations for your end-users. Plus, we bill in 6-second increments, allowing you to save money and scale easily by paying only for what you use.
Feature-rich voice calling with our WebRTC Calling API
Enable the in-browser calling functionality that your app needs, without the hassle of deploying expensive telecom infrastructure.
- Multi-browser, conference-ready inbound & outbound calling
- Connect to PSTN, SIP, & browser-based endpoints
- Fast deployment with Browser & Server SDKs
- Supports listen-in, barge, & whisper mode for managers
- Call transfer with warm or cold handoff options
- Support for local & toll-free numbers
- Detailed call records available in the dashboard & APIs
