ASTPP Open Source VoIP Billing Solutionastppplatform.hashnode.dev·Mar 22, 2023Class 4 SoftSwitch and Call Routing StrategiesThe VoIP world is made up of so many VoIP and telephony solutions, but some of them are still the backbone of the industry since its inception. Class 4 Softswitch is one of the solutions that has been acting as one of the top and most vital elements ...astpp
