Different types of telephone exchange
While the general operation of telephone exchange is in principle the same, but its individual models little different from each other, giving the additional options to its users. Among the types of telephone exchange can be distinguished
It is a kind of telephone exchange, that allows to install additional programs used to hold conversations by using the IP protocol. As a result, with the help of telephone exchange, you can arrange a video conference or video telephony IP.
Virtual PBX is centrals enabling realization of functions of traditional telephone exchange (PBX) by using the software.