kamailio_switch.js

const callControl = require('./node-kamailio-callcontrol')({socket: "/opt/callcontrol/socket", heartbeat: 60000, redis: { server: '127.0.0.1', port: 6379}});
const evapi = require('./node-kamailio-evapi/index')({hostname:"127.0.0.1", port: 8449});

evapi.connect();

evapi.on('connected', () => {
    console.log('server connected');
});

evapi.on('connecting', (msg) => {
    console.log(msg);
});


evapi.on('data', (request) => {

    console.log('received data', request);

    if(request.event !== 'sip-routing') {
        const response = JSON.stringify({version: "1.0", routing: "none"});
        return evapi.response(response);
    }

    const response = {
        version: "1.0",
        routing: "serial",
        xtra: {
            tindex: request.tindex,
            tlabel: request.tlabel
        },
        routes: [
            {
                uri: "sip:904@mouselike.org",
                headers: {
                    extra: "P-App-Name: abc\r\nP-App-Param: bcd\r\n"
                }

            },
        ]
    };

    evapi.response(JSON.stringify(response));

});


callControl.start();


callControl.on('init', (call) => {
    console.log('received init', call.callid);
});

callControl.on('start', (call) => {
    console.log('received start', call.callid);

    call.heartbeat.createEvent(1, function(count, last) {
        console.log(`call ${call.callid} ran for 1 minute...`);
        call.end();
    });

});

callControl.on('stop', (call) => {
    console.log('received stop', call.callid);
});


callControl.on('connection', () => {
    console.log(`received connection`);
});