What is Internet Protocol Private Branch Exchange (IP PBX)?
Internet Protocol Private Branch Exchange (IP PBX) is a Private Branch Exchange (PBX) service provided over the LAN or WAN networks.
How Internet Protocol Private Branch Exchange (IP PBX) does works?
Private Branch Exchange (PBX) is a service used to transmit calls over the circuit switched networks.
Internet Protocol Private Branch Exchange (IP PBX) is that type of