Datenvolumen Call&Surf im vis anzeigen Datenpunkte 

const request = require('request');
const link = 'http://pass.telekom.de/api/service/generic/v1/status';
    var options = {
        url: link, // korrekten Link erstellen
        headers: {
            'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.1'}
        };

createState('Telekom.Tarif', "", {
    desc: 'Tarif',
    type: 'string',
    role: 'value'
});

createState('Telekom.Verbrauch', "", {
    desc: 'verbrauchtes Volumen',
    type: 'string',
    role: 'value'
});

createState('Telekom.Restzeit', "", {
    desc: 'restliche Zeit',
    type: 'string',
    role: 'value'
});

createState('Telekom.Volumen', "", {
    desc: 'gesamt volumen',
    type: 'string',
    role: 'value'
});

createState('Telekom.Packet', "", {
    desc: 'Nachgeladen ?',
    type: 'string',
    role: 'value'
}); 

function telekom() {
    request(options, function(error,response, body) {
        if(error) log('Fehler request Telekom: ' + error, 'error');
        else {
            var start = body.indexOf('{');
            var json = body.slice(start);
            var obj = JSON.parse(json);
            //log(JSON.stringify(json));
            setState('Telekom.Tarif', obj.passName, true);
            setState('Telekom.Verbrauch', obj.usedVolumeStr, true);  
            setState('Telekom.Restzeit', obj.remainingTimeStr, true);
            setState('Telekom.Volumen', obj.initialVolumeStr, true);
            setState('Telekom.Packet', obj.passStage, true);
        }    
    });
}
schedule('10 * * * *', telekom);  // jede Stunde
// telekom();