drachtio-srf snippets

gistfile1.txt

/**
* How to cancel an outbound call
*
* Note: example below illustrates using srf.createUAC, but the same logic and callback is available
* for srf.createB2BUA
*
* For another example, see https://drachtio.org/api#srf-create-uac and the last example there
*/

let dlg, reqSent, timer;

srf.createUAC(uri, {
  localSdp: mySdp
}, (err, r) => {
  // we get this callback when the request has been sent
  // save the request object because we may want to cancel it later
  reqSent = r;
})
  .then((uac) => {
     console.log('call is answered');
     if (timer) clearTimeout(timer);
     dlg = uac;
     dlg.on('destroy', () => console.log('call ended'));
  .catch((err) => {
     if (timer) clearTimeout(timer);
     if (err.status === 487) console.log('call canceled by us');
     else console.log(`call rejected with status ${err.status}`);
   });
 
 // give 15 seconds to answer
 timer = setTimeout(() => {
  // see https://drachtio.org/api#sip-request-cancel
  reqSent.cancel();
 }, 15000);