Choosing the best VoIP solution is a real challenge. We all know that the Softswitch of a wholesale VoIP provider is essential. A variety of options makes it harder to pick the optimal choice. To get the most out of your business, you need to get the ideal carrier-grade platform. But how to choose a VoIP Softswitch? If you're looking for the top Class 4 Softswitch, you should keep qualities such as revenue assurance, routing, reports, and data visualizations, in mind.