"This service for hassle-free international calling is a fusion between international SIM cards and MananaTalk application that is available for its users on Google play and Apple Store," the company said in a statement.
The service would enable calling at low rates and also a user's "friends and family back home can connect with him anytime" without having to bear international calling charges normally applicable, the statement said.
"This service has been designed to make international calling user-friendly wherein they just need to dial the number of the international traveller with the ISD code," it said.
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