Offering merchants with Point of Sale terminals to ability to Top Up customers'' phones with prepaid VOIP.
Installing a software of merchant terminals that allows them to Top Up customers'' phones with prepaid minutes through a VOIP network.
Citel PBXgateways are installed at the central PBX location, and EXTenders are deployed at branch offices, call centers, or at home offices over managed IP connections, DSL, cable, or analog circuits
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