The Digital Private Network Signalling System (DPNSS) is a network protocol used on digital trunk lines for connecting to PABX. It supports a defined...

computer network is a set of computers sharing resources located on or provided by network nodes. Computers use common communication protocols over digital interconnections...

The Digital Collection System Network (DCSNet) is the Federal Bureau of Investigation (FBI)'s point-and-click surveillance system that can perform instant...

each other. Originally a network of fixed-line analog telephone systems, the PSTN is now predominantly digital in its core network and includes terrestrial...

Digital Subscriber Signalling System No. 1 (DSS1) is a digital signalling protocol (D channel protocol) used for the ISDN. It is defined by ITU-T I.411...

An intranet is a computer network for sharing information, easier communication, collaboration tools, operational systems, and other computing services...

technology from the key telephone system (KTS) to the private branch exchange (PBX). A business telephone system differs from an installation of several telephones...

the 4.9G/LTE private wireless network to support the ETCS L2 signalling for the RRTS. This is a "world-first application" of an LTE network integrated with...

most common CCS signaling methods in use are Integrated Services Digital Network (ISDN) and Signalling System No. 7 (SS7). ISDN signaling is used primarily...

end-to-end analog telephone networks to be modified and upgraded to transmission networks with Digital Signal 1 (DS1/T1) carrier systems date back to the early...

digital broadcasts; viewers must either purchase new digital TVs, or digital converter boxes which have a digital tuner and change the digital signal...

Monitoring System technology, and its predictive and condition-based monitoring features. The trainset is equipped with a new signalling technology called...

dPMR or digital private mobile radio, is a common air interface for digital mobile communications. dPMR is an open, non-proprietary standard that was...

(MOS transistor) wireless technology enabled the development of digital wireless networks. The wide adoption of RF CMOS (radio frequency CMOS), power MOSFET...

other wireless digital communication systems that have a sharp "digital cliff", where the signal rapidly becomes unusable if the signal strength drops...

exchange between systems – Private Integrated Services Network – Inter-exchange signalling protocol – Call Interception additional network feature ISO/IEC...

office is a central component of a telecommunications system in the public switched telephone network (PSTN) or in large enterprises. It facilitates the...

signals Heliograph International Code of Signals International maritime signal flags Railway signalling Aircraft marshalling Optical landing system Optical...

delivered over private networks, and those delivered as over-the-top streaming television services over the public internet). Digital terrestrial television...

starting in 1973. In later decades, the analog cellular system evolved into digital networks with greater capability and lower cost. Convergence in communication...

an optical virtual private network for each client signal. ITU-T defines an optical transport network as a set of optical network elements (ONE) connected...

encoded as analogue or digital signals, which may in turn be carried by analogue or digital communication systems. Analogue signals vary continuously with...

telephony board. Digital lines cannot be recorded unless the call recording system can capture and decode the proprietary digital signalling, which some modern...

Telecommunications System (UMTS), Digital Enhanced Cordless Telecommunications (DECT), Digital AMPS (IS-136/TDMA), and Integrated Digital Enhanced Network (iDEN)...

during 1980 Dialcom was the creator, designer, developer, computing and network engine of "The Source". Robert Ryan developed and executed a structured...

Synchronous Optical Networking (SONET) and Synchronous Digital Hierarchy (SDH) are standardized protocols that transfer multiple digital bit streams synchronously...

information security. It consists of the protection of computer software, systems and networks from threats that can lead to unauthorized information disclosure...

Services Digital Network (ISDN) is a set of communication standards for simultaneous digital transmission of voice, video, data, and other network services...

German Bundeswehr with its SOVERON digital radio system. With its three Test & Measurement, Technology Systems and Networks & Cybersecurity divisions the company...

out a system called Advanced Mobile Phone System (AMPS), which became the first cellular network standard in the United States. The Bell system deployed...