sendDigits | SignalWire

Send DTMF tones on the call. Use this to navigate IVR menus on outbound calls or to send tone signals.

This method emits calling.call.send_digits events. See Call Events for payload details.

Parameters

digits

stringRequired

The DTMF digit string to send. Valid characters: 0-9, *, #, A-D, W (0.5s pause), w (1s pause).

controlId

string | undefined

Custom control ID. Auto-generated if not provided.

Returns

Promise<Record<string, unknown>> — Server response confirming the sendDigits operation.

Example

1 import { RelayClient } from '@signalwire/sdk';
2 
3 const client = new RelayClient({
4   project: process.env.SIGNALWIRE_PROJECT_ID!,
5   token: process.env.SIGNALWIRE_TOKEN!,
6   contexts: ['default']
7 });
8 
9 client.onCall(async (call) => {
10   await call.answer();
11 
12   const result = await call.sendDigits('1w2');
13   console.log(`Digits sent: ${JSON.stringify(result)}`);
14 });
15 
16 await client.run();