PABX - an intercom (intercommunication device), talkback or door phone is a stand-alone voice communications system for use within a building or small collection of buildings, functioning independently is a Voice managing system.
PABX is an intelligent cost-effective telecommunication system that packs affordability, efficiency, IP-telephony and ecology all into one, and is equipped with the capabilities to adapt to functions for immediate or emerging business needs of small and medium enterprises (SMEs), and small offices, home offices (SOHOs). It also has a scalable architecture, from minimum 4 trunk lines and 8 extensions to a maximum of 126 trunk ports or 128 extensions ports. This increases efficiency by tapping on the built-in features such as Conference, Automated attendant, Call Forwarding and much more in the system for a productive office communication atmosphere.
The latest technology of VoIP (Voice over Internet Protocol) is IP-enabled, and provides 24-Key IP terminal, having the same usage as digital key telephone in the IP environment, with its IP benefits.
A network operating system (NOS) is a computer operating system that is designed primarily to support workstation, personal computer, and, in some instances, older terminal that are connected on a local area network (LAN).
The network configuration available are Unmanaged Switches / Smart Switches / Managed L2 and L3 Switches.