is an acronym for polymer bonded explosives.
It is also called private branch exchange.
It is a small telephone
system within a call center that switches calls between call center agents
on local lines allowing all users to share a certain number of external
phone lines. The main purpose of the PBX system is to save the cost of
requiring the number of telephone lines used in an enterprise.
- Telephone trunk (multiple phone) lines that terminate at the PBX
- A computer with memory that manages the switching of the calls within
the PBX and in and out of it
- The network of lines within the PBX
- Usually a console or switchboard for a human operator
Types of PBX
- Hardware Based PBX - The system usually require all
employees to be in a central business office
- Virtual PBX - The system enables call center agents
to work from a main office or branch office. They can set up home
Features of PBX
- Even load distribution
- Skill based call routing
- Self managed agent presence
- Queue optimization
- Overflow queues
- Protected queues
- Call waiting signals
- Custom on hold information
- Real time monitoring
- Queue logs
Functions of PBX
PBX performs three main functions :
- Establishing connections (circuits) between the telephone sets of two
- Maintaining such connections as long as the users require them.
- Providing information for accounting purposes