T9-R4 quiz
What does the W3C WebRTC Recommendation define? Answer: APIs to send and receive media between browsers or devices. The abstract is about sending and receiving media.
Does Wikipedia's WebRTC page say the API includes signaling? Answer: No. Applications supply signaling, and SIP is one option it names.. The page says the API includes no signaling of its own.
Does this lab place a phone call? Answer: No. The room stops at the diagram.
Sources and go deeper
- W3C, WebRTC Recommendation, 13 March 2025 spec last checked 2026-10
- WebRTC — Wikipedia wikipedia last checked 2026-10
- RFC 3261, SIP: Session Initiation Protocol spec last checked 2026-10
- Speech to Speech, docs.x.ai vendor The page title is Speech to Speech. The body names the Grok Speech to Speech API and also calls the site SpaceXSI Docs. last checked 2026-10