1. Go to 'Co-workers & Groups" page on the dashboard and the click on the "gear" icon right next to your (or whomever) name


        





  1. A popup opens up. Enter the device name and number. (Enter 0 followed by mobile number)




    Once you have entered these details you will find that your number is configured. Also you need to place an missed call from newly added number to 09223332233.


    Now you can turn on and off this number based on your availability.