OTPay

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CellumPay (Bulgaria)

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MasterPass (Hungary)

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  • White Papers

    Cellum is not a pilot project, a test or slideware. We have an 18-year track record of successfully tested and operating solutions. Our case studies provide detailed insight into how our mobile payment services operate in the real world.

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    Watch Cellum’s solutions in action.

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  • FAQ

    New to mobile payments? Confused by all the technical language? Interested in the industry? Read our Beginners’ Guide.

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