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IP PBX. An IP PBX (" Internet Protocol private branch exchange ") is a system that connects telephone extensions to the public switched telephone network (PSTN) and provides internal communication for a business. An IP PBX is a PBX system with IP connectivity and may provide additional audio, video, or instant messaging communication utilizing ...
Asterisk (PBX) Asterisk is a software implementation of a private branch exchange (PBX). In conjunction with suitable telephony hardware interfaces and network applications, Asterisk is used to establish and control telephone calls between telecommunication endpoints such as customary telephone sets, destinations on the public switched ...
Polymer-bonded explosive. Polymer-bonded explosives, also called PBX or plastic-bonded explosives, are explosive materials in which explosive powder is bound together in a matrix using small quantities (typically 5–10% by weight) of a synthetic polymer. PBXs are normally used for explosive materials that are not easily melted into a casting ...
FreePBX is a web-based open-source graphical user interface (GUI) that manages Asterisk, a voice over IP (VoIP) and telephony server. [2] FreePBX is licensed under the GNU General Public License version 3, [3] with commercial modules available under their own licenses. FreePBX is a component of the now discontinued FreePBX Distro, released by ...
Nursing credentials and certifications are the various credentials and certifications that a person must have to practice nursing legally. Nurses' postnominal letters (abbreviations listed after the name) reflect their credentials—that is, their achievements in nursing education, licensure, certification, and fellowship.
A business telephone system is a telephone system typically used in business environments, encompassing the range of 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 ...
Nortel Meridian. A Meridian 1 at Parkway North High School. Nortel Meridian is a private branch exchange telephone switching system. It provides advanced voice features, data connectivity, LAN communications, computer telephony integration (CTI), and information services for communication applications ranging from 60 to 80,000 lines. [1]
Consolidated PBY Catalina. The Consolidated Model 28, more commonly known as the PBY Catalina (US Navy designation), is a flying boat and amphibious aircraft designed by Consolidated Aircraft in the 1930s and 1940s. In US Army service it was designated the OA-10, in Canadian service as the Canso and it later received the NATO reporting name Mop ...