As a virtual telephone system, too Centrex or Hosted PBX called, refers to software that is operated on servers in the data center of the telecommunications provider and via which NGN provides all the functions of a classic telephone system.
As a virtual telephone system, too Centrex or Hosted PBX called, refers to software that is operated on servers in the data center of the telecommunications provider and via which NGN provides all the functions of a classic telephone system.