What is virtual number?

What is virtual number?

Virtual numbers are the phone numbers which are also known as cloud-based numbers that allow businesses to reach customers. The traditional phone numbers used by the businesses were tied to the PSTN public switched network connected through copper wiring to get connected with the users across the world. The traditional phone system used analog technology where the calls or signals are carried over the copper wires through the public switched networks and the circuit remains open till the customers are on the line.