Mocha Messenger, an over-the-top (OTT) service that provides free Internet-based calls and messaging for users, reached some 10 million of users by the end of October, two years after its launch.
Viettel Telecom, a member company of the Viettel Group, on April 20
launched its own over-the-top (OTT) service that provides free
Internet-based calls and messaging to users.
While a recent hike of 3G package costs was attributed to the rampant
growth of Over-The-Top (OTT) services, the Ministry of Information and
Communications has said it was in fact because 3G service fees were
falling under production costs.