PSTN, or Packet-Switched Telecommunications Network, is an efficient and reliable way to transmit data over long distances. It has become increasingly popular as a means of communication in today’s digital world. The PSTN utilizes packet-switching technology to transmit voice and multimedia information over publicly switched telephone networks (PSTNs).

PSTN’s main advantage is its ability to provide high-quality connections with minimal latency between two points on the network. This makes it ideal for applications such as teleconferencing, video conferencing, VoIP calling services, and more. Additionally, since all calls are routed through a central switchboard system rather than individual lines like traditional landlines do, users can access multiple phone numbers without having additional hardware installed at their premises or paying extra fees for each number they use.

Another benefit of PSTN is its low cost compared to other telecommunications, such as fiber optics or satellite systems. It can be costly in terms of installation costs, not including monthly service fees charged by some providers. Since most businesses rely heavily on communications both internally and externally, this form provides them with a cost-effective solution while still providing excellent call quality regardless if you’re making local calls across town or international ones around the globe.

Finally, one last key feature associated with utilizing packet-switched telecommunications networks would be increased security due to how data transmissions are encrypted before being sent out from the origin point, thus reducing the chances of malicious actors gaining access to private conversations/transactions taking place within the company’s infrastructure. As a result, many organizations opt to go down the route when setting up internal communication systems to ensure confidential information remains secure even during the transit process itself.