function onPlayFile(s, type, obj, arg) { try { if (type == "dtmf") { console_log("info", "DTMF digit: " + s.name + " [" + obj.digit + "] len [" + obj.duration + "]\n\n"); } } catch (e) { console_log("err", e + "\n"); } return true; } session.answer(); while(session.ready()) { session.streamFile(argv[0], onPlayFile); }