Prepaid Indoor Solutions This offers an alternative service option and thereby gives the market a wider choice. Prepaid Service is operated through a unique in-house developed PIN Platform and caters to a niche market segment which represents bulk users who provide communication facilities to the public as re-sellers. The use of innovative PIN based technology for a telecommunication application is one of the many firsts Trite could take pride in, in terms of achievement and contribution to local market. This is a direct result of the inventive endeavours of the gifted team of research and development engineers who work tirelessly in pursuit of technological excellence. Of the many service features available, facilities to obtain call details, unutilized portion of card balances etc have proved to be highly customer friendly features.