The Calling Card platform from Speedflow is a standalone solution for VoIP operators offering long-distance and international calls. Requiring no gateways due to DID support, VoIP services can be provided through a single software solution. Supporting PIN and PIN-less business, integrated billing, bulk user and top-up code generation, the platform is the envy of the VoIP industry. So, to make your services world class, use Speedflow’s Calling Card platform.
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