Making phone calls using mobile number is free in India now, as all the telecom service providers are…
Google Duo is a one-to-one video calling application with simple design and functionality. Download from Playstore or Appstore and make video call with your android or ios smartphone.
WhatsApp added call back and voice mailing feature to its android application. Now user can send voice mail directly if the call was not picked up.
Make free call to US Phone Numbers from India and any part of the world using Google Hangout. Also make cheap calls to other countries using hangout dialer.
BSNL introduced free unlimited calls to any number on sundays. BSNL Freedom offer let you to make 24 hrs free calling to any network on sundays without any additional cost.