title: Is P-KISS-SBC a voip softswitch description: P-KISS-SBC is a class 4 softswitch, it interconnects VoIP networks, carriers and IPBX.
Is P-KISS-SBC a VoIP softswitch ?¶
A softswitch is a software component of a telecoms network used to connect calls between subscribers or other telecoms equipment.
There are 2 categories of softswitch: class 4 systems and class 5 systems. This classification is an analogy with switched telephone networks.
A class 4 softswitch is used to transport VoIP flows between operators; it is an interconnection solution. A class 5 softswitch, on the other hand, is designed to provide a telephony service to end subscribers, like an IPBX for example.
And to answer the question, yes, P-KISS-SBC is a class 4 softswitch.