India, May 5 -- Skype will officially shut down on Monday, May 5. Microsoft had announced the old-time video-calling portal's retirement in February and said that its services will be replaced with Microsoft Teams.

A group of engineers in Estonia's Tallinn in 2003 found Skype, a pioneer in internet-based telephone calls instead of landline calls. The platform was run with the help of VOIP (voice over internet protocol), a technology that converts audio into a digital signal which gets transmitted online.

In 2005, online retailer eBay bought the service and added video calling feature to Skype.

In 2011, the baton passed over to Microsoft when the tech giant bought Skype for $8.5 billion from eBay. At the time, Skype had about 170 millio...