She answers the phone.
You read the events.

curl -X POST https://api.softknack.com/voice/v1/webhooks \
  -H "Authorization: Bearer sk_test_..." \
  -H "Content-Type: application/json" \
  -d '{
    "url": "https://yourapp.com/hooks/sk-voice",
    "events": ["call.completed", "call.escalated"]
  }'

// POST to your endpoint after every finished call
{
  "event": "call.completed",
  "call_id": "cal_01J9X...",
  "contact_id": "ctc_01J9X...",  // the same ID across the whole suite
  "duration_seconds": 166,
  "language": "ta-en",
  "sentiment": "positive",
  "outcome": "appointment_booked",
  "appointment_id": "apt_01J9X...",
  "recording_url": "https://...",   // expiring, scoped
  "transcript_url": "https://..."
}

import { verifySignature } from "@softknack/webhooks";

app.post("/hooks/sk-voice", (req, res) => {
  if (!verifySignature(req, process.env.SK_WEBHOOK_SECRET)) {
    return res.status(401).end();
  }
  const ev = req.body;
  if (ev.event === "call.escalated") notifyTeam(ev);  // your logic
  res.status(200).end();  // ack fast; process async
});