www.techopedia.com/definition/8807/private-branch-exchangeA private branch exchange (PBX) is a private telephone network used within an enterprise. It is a business-oriented phone system designed to supply efficient voice communications between the users of an organization. Acting as the phone company’s central office within an organization, a PBX works as the exchange point and point for routing calls.
searchunifiedcommunications.techtarget.com/.../private-branch-exchangeA private branch exchange (PBX) is a telephone system within an enterprise that switches calls between users on local lines, while enabling all users to share a certain number of external phone lines.
networkencyclopedia.com/private-branch-exchange-pbxPrivate Branch Exchange, also known as PBX, is a telephone switch at the customer premises that supports multiple independent telephone extensions. Private Branch Exchanges (PBXs), which are installed by a telco, save businesses the cost of supplying an individual local loop connection for each employee because employees can share external trunk line connections.
www.nfon.com/en/service/knowledge-base/.../private-branch-exchange-pbxPrivate Branch Exchange (PBX) is another term for a telephone system or an interphone network. It refers to a system connecting a specific number of communication devices such as phones or fax machines with each other and the public switched telephone network. One or several parallel lines can be used to connect to the telephone network.
www.techrepublic.com/article/understanding-ip-private-branch-exchange-pbxPrivate branch exchanges (PBXs) handle call switching and routing within an organization, and IP PBX systems are the next generation of Internet-based PBX communications. Deb Shinder gives an ...
www.webopedia.com/TERM/P/PBX.htmlPBX - private branch exchange. Short for private branch exchange, a private telephone network used within an enterprise. Users of the PBX share a certain number of outside lines for making telephone calls external to the PBX. Most medium-sized and larger companies use a PBX because it's much less expensive than connecting an external telephone line to every telephone in the organization.
watech.wa.gov/services/Private-Branch-Exchange-PBXPrivate Branch Exchange (PBX) WaTech installs, operates, and maintains shared Private Branch Exchange (PBX) systems that deliver voice telephone service to public organizations at economical rates. Private Branch Exchanges are large enterprise telephone switches used to deliver dial tone and other voice features.
www.lifewire.com/what-is-a-pbx-phone-system-3426315A PBX (private branch exchange) system allows an organization to manage incoming and outgoing phone calls, as well as internal communication. A PBX is made up of both hardware and software that connects to communication devices such as telephone adapters, hubs, switches, routers, and telephone sets.
en.wikipedia.org/wiki/Private_branch_exchangeA business telephone system is a multiline telephone system typically used in business environments, encompassing systems ranging in technology from the key telephone system ( KTS) to the private branch exchange ( PBX ). A business telephone system differs from an installation of several telephones with multiple central office (CO) lines in that the CO lines used are directly controllable in key telephone systems from multiple telephone stations, and that such a system often provides ...
www.3cx.com/pbx/pbx-phone-systemPBX stands for Private Branch Exchange, which is a private telephone network used within a company or organization. The users of the PBX phone system can communicate internally (within their company) and externally (with the outside world), using different communication channels like Voice over IP, ISDN or analog.