CallDetect

1
import { SignalWire } from "@signalwire/realtime-api";
2
3
const client = await SignalWire({ project: "your-project-id", token: "your-api-token" });
4
5
const call = await client.voice.dialPhone({
6
  from: "+1xxxxxxxxxx",
7
  to: "+1yyyyyyyyyy",
8
  timeout: 30
9
});
10
11
// Start answering machine detection with event listeners
12
const detect = await call.detectAnsweringMachine({
13
  timeout: 30,
14
  initialTimeout: 4,
15
  endSilenceTimeout: 1,
16
  machineReadyTimeout: 3,
17
  waitForBeep: true,
18
  listen: {
19
    onStarted: () => console.log("AMD detection started"),
20
    onUpdated: (detect) => {
21
      console.log("Detection update:", detect.result);
22
23
      if (detect.result === "HUMAN") {
24
        console.log("Human answered - connecting to agent");
25
      } else if (detect.result === "MACHINE") {
26
        console.log("Machine detected - waiting for beep");
27
      } else if (detect.result === "READY") {
28
        console.log("Machine ready for message - leaving voicemail");
29
        call.playTTS({ text: "Hello, this is a message from SignalWire." });
30
      }
31
    },
32
    onEnded: (detect) => {
33
      console.log("Detection ended with result:", detect.result);
34
    }
35
  }
36
}).onStarted();
37
38
// Wait for detection to complete
39
await detect.ended();
40
console.log("Final result:", detect.result, "Type:", detect.type);

1
// Detect specific digits pressed during a call
2
const detect = await call.detectDigit({
3
  digits: "0123456789#*",
4
  timeout: 30,
5
  listen: {
6
    onUpdated: (detect) => {
7
      console.log("Digit detected:", detect.result);
8
    }
9
  }
10
}).onStarted();

1
// Detect if the call is a fax machine
2
const detect = await call.detectFax({
3
  tone: "CED",  // or "CNG"
4
  timeout: 30,
5
  listen: {
6
    onUpdated: (detect) => {
7
      console.log("Fax tone detected:", detect.result);
8
    }
9
  }
10
}).onStarted();

1
const detect = await call.detectDigit();
2
const result = await detect.ended();
3
4
console.log("Detect result:", result.type);

1
const detect = await call.detectDigit();
2
await detect.stop();