Sansay session controllers help service providers worldwide maximize the performance and profitability of VoIP networks and services while minimizing capital and operating expenses. Used by more than 300 referenceable customers worldwide, our VSXi VoIP Session Controllers support multiple applications—wholesale, residential, prepaid, SIP trunking, and hosted business voice services – with the industry’s most extensive routing, peering, and security capabilities. 

The VSXi is the highest performing session control platform in the market today.

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