VivaCell-MTS, a subsidiary of “Mobile TeleSystems” OJSC, offers its prepaid subscribers New Minutes unprecedented service, which allows free of charge conversion of the card validity period into on-net airtime.
One can get 1 minute of on-net airtime for each 5 days of validity period by simply dialing *555*requested minutes#.
Before making the conversion, one can check the number of validity days he/she has by dialing *555*0#. And the on-net minutes, received by conversion, can be checked by dialing *555#.