PSTN termination is what connects VoIP with classic telephony. In fact, it is almost the same as usual wholesale termination in VoIP, the only difference is that such business model requires specific equipment (with TDM / ISDN protocol support) and termination is done right into PSTN network.
With today’s avalanche-like development of VoIP industry, the direct PSTN termination offers further VoIP market expansion and new business opportunities, such as provisioning of new digital services with drastically lowered prices for local and international calls. Surely, these possibilities can’t be ignored, and that’s why PSTN termination business model becomes more and more popular.
As mentioned above, this business type almost copies the general wholesale transit termination setup with addition of TDM / ISDN compliant termination equipment and, of course, a billing solution that supports it. Let’s take a brief look of what JeraSoft VCS offers:

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