Virtual Phone Numbers: How does it Work?
A virtual (DEF) number is an opportunity to reduce telephony costs by several times and stay connected anywhere in the world without roaming. All you need to use this service is a stable Internet connection. If you buy virtual phone number, you will be able to communicate through software and analog communications, paying only for Internet traffic at the internal rate of your provider. How do Virtual Numbers work? Depending on the region, a DEF number can have different formats (+1, +44), be mobile or city, intercity and international, etc. It differs from ordinary numbers only in the connection method. The chain is the following: calls are received by the provider; the provider addresses them to the server; and from there, they are redirected to the specified devices. This service is based on the transmission of data over the Internet. SIP (Session Initiation Protocol) is the most common and universal protocol for data transfer. This protocol processes and distributes calls according ...
