What is PBX?
PBX means Private Branch Exchange, which is a switch station for telephone systems. It's mainly
branches of telephone systems and it switches connections to and from them,
which dose the linking to the phone lines.
Why use PBX?
Mostly Companies use PBX to connect all the internal phones to an external line.
That way, you can lease one line and have however many people using it, with each
having a phone at the desk with a different number.
What types of PBX Systems are their?
Hosted
IP PBX - IP
PBX Systems - VOIP
Services - Audio
& Web Conferencing
Picture from CanadianTele
Corporation