3 results for “What is the difference between UCaaS”
Telecommunications Remove filter PSTN Remove filterThe PSTN is the public, carrier-run network that connects phones worldwide; a PBX is a private switch that routes calls inside one organization and shares a few outside lines among many users. They are not rivals. A PBX plugs into the PSTN
POTS and the PSTN describe two layers of the same telephone system. Plain old telephone service is the basic analog voice product on a single copper line, while the PSTN is the whole switched network of exchanges and trunks that carries the
PSTN and VoIP both carry phone calls, but they use opposite methods. The PSTN reserves a dedicated circuit for each call over operator-owned copper and digital trunks, while VoIP splits speech into packets that ride an ordinary internet con