It is an exchange which is used to connect one trunk to another trunk
Tax-----trunk automatic exchange
Tax-----trunk automatic exchange
The abbreviation for Private Automatic Branch Exchange is PABX.
Tandem exchange is for call processing in National area (whole of country) Trunk exchange is for call processing in same area (one island)
EPBAX - Electronic Private Branch Automatic Exchange
PABX stands for Private Automatic Branch eXchange and refers to an automatic telephone switching system within a private enterprise. The system handles internal phone calls for businesses, and also provides a means of providing access to outside or 'trunk' calls.
Mine doesn't have automatic trunk release. I use the key to unlock my doors to open the trunk.
local exchange are those which handle area communic ation
Ebay , about $15-$50
If not there, try looking in the trunk. On the trunk arm.
Axe ----automatic cross exchange. It is mainly used as tax exchange.
1. private branch exchange 2. private manual branch exchange 3. private automatic branch exchange 4. computerized branch exchange 5. automatic call distribution 6. auto attendant switchboard 7. centrex