The public switched telephone network (PSTN) is the aggregate of the world's circuit-switched telephone networks that are operated by national, regional, or local telephony operators, providing infrastructure and services for public telecommunication. The PSTN consists of telephone lines, fiber optic cables, microwave transmission links, cellular networks, communications satellites, and undersea telephone cables, all interconnected by switching centers, thus allowing any telephone in the world to communicate with any other.
Posts about Pstn
  • Choosing a VoIP Service

    … Voice Over Internet Protocol (VoIP) is growing in popularity among small businesses as many eliminate landlines due to the lower costs and ease of use of VoIP. However, before switching a small business over to the protocol, it is important to follow a few tips in order to be sure what you choose is suitable for your needs. How Does VoIP Work…

    Dana Davis/ Growmap- 3 readers -
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