a ( telephone switching system within an enterprise) that switch es calls between ( voice over Internet Protocol or ) users on local lines while allowing all users to share a certain number of external phone lines
IP PBX is a phone system on the customerâ€(tm)s site that manages telephones in the enterprise and acts as the â€œgatewayâ€ to external networks (the â€œswitchboardâ€). Unlike a conventional PBX that requires two separate networks, one each for data and voice, an IP PBX is based on both and can be used with IP phones, softphones and traditional phones connected to Ethernet adapters (an ATA/â€Lingo Boxâ€) or PCs.
(The Internet Protocol Private Branch eXchange)Telephone switching equipment that resides in a private business instead of the telephone company. An IP PBX delivers employees dial-tone, the ability to conference, transfer, and dial other employees by extension number as well as many other features. Voice transmissions are sent via data packets over a data network instead of the traditional phone network
Internet Protocol Public Branch exchange, an Internet version of a phone management system, most larger companies have a PBX. An IP PBX does the same job as a standard PBX system but often can be managed on a web page.