The Node.js SDK re-exports the WAJS namespace for TypeScript. This reference describes types from WA-JS 4.8.0. For operations available on a connected Node.js client, see Whatsapp. For functions running inside WhatsApp Web, see the WA-JS browser API.
Send a signaling stanza produced by the VoIP engine.
xmlPayloadis the encoded inner child of the<call>stanza (offer, accept, terminate, mute_v2, ...)