stop

import { RelayClient } from '@signalwire/sdk';
const client = new RelayClient({
  project: process.env.SIGNALWIRE_PROJECT_ID!,
  token: process.env.SIGNALWIRE_API_TOKEN!,
  contexts: ['default']
});
client.onCall(async (call) => {
  await call.answer();
  const action = await call.sendFax('https://example.com/invoice.pdf', {
    identity: '+15559876543',
  });
  // Stop the fax operation
  await action.stop();
});
await client.run();