Telephone exchanges have been used in corporate environments since the 1960s, and this tool has kept up with advances in technology and the internet, moving from manual to automatic distribution, as we will see in more detail below.
What is a virtual switchboard?
PBX (private branch exchange) is a manual telephone distribution system for usa phone number lists companies, a model that preceded automatic systems, known as PABX (Private Automatic Branch Exchange) or PPCA (Private Automatic Switching Post). More recent, PABXs are automatic private branch exchange systems, and function as a private switching center that makes calls over the internet.
In a PBX, a telephone operator must operate the platform and be responsible for controlling and redirecting calls. In a PABX , it is possible to receive and make calls to the external network or between internal phones, without manual intervention. The PABX can be hardware-based or software-based, with the possibility of being installed on various devices and making calls over the internet, with VoIP.
"Companies often have more extensions than telephone lines and require intelligent call management and distribution. PABX makes it possible to manage calls through a central point, centralizing the company's telephone system on a single platform, with authorizations, releases and access permissions in accordance with the predefined telephone policy.
Virtual PBX offers features such as distributed extensions, DDR (extension speed dialing), queue and standardization of services , URA, call recording and many others. Below we will list some of the most relevant advantages of PBX for companies' telephone systems.