Airtel had been launching VoLTE based services in parts of the country in the recent months.
Customers can make calls to any mobile or landline network using Airtel VoLTE. Presently, most of the new 4G handsets are VoLTE compatible.
There will be no additional data charges for VoLTE and calls will be billed as per existing plan or packs benefits.
(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)
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