Major telecommunications carriers are phasing out “POTS” — the copper-wire, analog “plain old telephone system” many businesses still use. And with CDC data showing that only about 23 percent of U.S.

You are likely to encounter three main types of digital telephone systems in the world of business today. A fixed digital telephone system is connected to the main telephone network via cables.

Equipping your business with a phone system rather than a multitude of single-line phones can improve office communication and increase productivity. However, they can be confusing -- especially in ...