Switched Digital Video

- 700 service
- 800 service
- 900 service
- abbreviated-dialing service
- absent-subscriber service
- advanced communication service
- aeronautical telecommunication service
- aeronautical-fixed service
- aeronautical-mobile off-route service
- aeronautical-mobile route service
- aeronautical-mobile satellite service
- aeronautical-multicom service
- aeronautical-radionavigation satellite service
- aeronautical-radionavigation service
- air-ground radiotelephone service
- alerting service
- amateur-satellite service
- ancillary service
- application-free service
- asymmetrical interactive service
- attendant service
- audio-description service
- audiovisual multimedia service
- authorization control service
- automatic bank-reference service
- automatic connection service
- base services
- bearer service
- broadband service
- broadcasting service
- broadcasting-satellite service
- bulletin-board service
- Bureaufax service
- cable-TV service
- call service
- carrier service
- C-band fixed satellite service
- cellular service
- cellular-messaging service
- Centrex® service
- channel service
- circuit-switched data-transmission service
- citizen's radio service
- coin service
- communication-network service
- confravision service
- connectionless service
- connection-oriented service
- consolidated local-telecommunications service
- constant bit-rate service
- control service
- conversational service
- crytical service
- CTX service
- data-retrieval service
- data-transmission service
- data-transport service
- Datel service
- dedicated service
- demand service
- digital-terrestrial service
- direct-dialing service
- directory-inquiry service
- direct-to-home service
- distribution service
- district service
- document-communication service
- document-distribution service
- document-management service
- document-retrieval service
- domestic-fixed public service
- domestic-public radio service
- DTMF service
- Earth exploration-satellite service
- eight-hundred service
- electronic-mail service
- emergency service
- enhanced service
- enquiry service
- entertainment service
- essential service
- extended-area service
- five-hundred service
- fixed-satellite service
- flat-rate service
- foreign-exchange service
- fractional T1 service
- free-phone service
- FT1 service
- gated service
- general telegraph service
- global satellite multimedia services
- high resolution image communication service
- high speed data service
- image communication service
- in-building service
- information channel service
- interactive on-line services
- interactive-multimedia services
- internal communication service
- international telecommunication service
- international telephone service
- international television service
- interruption-free service
- intersatellite service
- isochronous service
- Kilostream service
- land mobile service
- land-mobile satellite service
- land-transportation radio service
- large-volume file-transfer service
- MAILbus service
- main service
- marine-mobile service
- maritime-mobile satellite service
- maritime-radionavigation satellite service
- Megastream service
- messaging service
- meteorological aids service
- meteorological satellite service
- mobile-air service
- mobile-data service
- mobile-phone service
- mobile-satellite service
- monochrome-television service
- multimedia-communication service
- multipoint-distribution service
- naming service
- national weather service
- Netbios name service
- Netbios session service service
- network information service
- nine-hundred service
- nondelay service
- nonreal-time service
- nonswitched service
- nonvoice service
- numeric service
- one-way audiovisual distribution service
- on-line service
- operational-fixed services
- opportunistic service
- packet-switched service
- personal multimedia services
- personal radio service
- person-to-person service
- port-operations service
- presentation service
- private NS/EP telecommunication services
- private-line service
- public data-transmission service
- public radio communication service
- public-message service
- public-switched digital service
- public-switched NS/EP telecommunication service
- radio broadcast service
- radio center annunciation service
- radio monitoring service
- radiocommunication service
- radiodetermination-satellite service
- radionavigation-satellite service
- radiopaging service
- real-time service
- recorded-information service
- reference service
- resale service
- reserved-circuit service
- retrieval service
- route aeronautical-mobile service
- rural-radio service
- safety service
- satellite television service
- seven-hundred service
- shared service
- short-message service
- short-time service
- signaling service
- single service
- space-operation service
- space-research service
- special-radio service
- SQL-service
- standard frequency-and-time signal satellite service
- subscriber access service
- subscriber trunk dialing service
- T1 service
- teleaction service
- telecommunication service
- telecommunication-service priority service
- telefax service
- teleinformatic services
- telematic service
- telemetering service
- telephoto service
- Teletail service
- teletex service
- teletypewriter exchange service
- terminal information service
- terrestrial mobile service
- thin-route service
- three-party service
- time-signal service
- toll service
- trunking service
- universal service
- Usenet-support service
- user-to-user service
- value-added service
- variable bit rate service
- video-audio information transmitting service
- videoconference service
- videophone service
- videotex service
- virtual service
- VISTA service
- voiceless communication service
- wide area telephone service
- wired subscription service
- wireless cable services

- acoustic alarm system
- acoustic image system
- acoustic systems
- actiontrack system
- active IR-system
- actuator system
- adaptive communication system
- adaptive teleinformation system
- adaptive telemetering system
- advanced information system
- Afsatcom system
- air system
- aircraft intercommunication system
- airfield communication system
- air-ground automatic system
- airline reservation system
- air-to-ground TV system
- alarm signal system
- alarm system
- all-channel signaling system
- ALL-IN-ONE system
- alphanumeric system
- amplified speaker system
- amplitude shift-keying system
- AMPS system
- analog cellular communication system
- analog cellular system
- analog component video system
- analog television system
- analog tropospheric system
- anisochronous system
- antenna system
- antitheft system
- AR system
- Arabsat system
- ASK system
- associated channel analog system
- asynchronous address communication system
- audio recording system
- Aurora system
- Aussat system
- automatic communication system
- automatic connection establishment system
- automatic control system
- automatic data acquisition system
- automatic telegraphy system
- automatic telephone system
- automatic tuning system
- automatized cellular system
- auxiliary alarm system
- balanced cable transmission system
- band sharing system
- base station system
- baseband system
- basic input/output system
- bass-reflex speaker system
- batch processing system
- batch transmission system
- batch-and-forward system
- batteryless system
- bilateral CTV system
- binary tariff system
- biocontrol system
- bit parallel interface system
- bit transport system
- bridge duplex system
- broadband mobile system
- broadcast satellite system
- broadcasting delivery media systems
- burglar alarm system
- byte-serial interface system
- cabinet system
- cabinetless system
- cable distribution system
- cable TV system
- call-accounting system
- call-answering system
- call-counting system
- call-distributing system
- call-processing system
- call-queueing system
- camp-on system
- CAPTAIN system
- car component audio system
- carrier reinsertion system
- carrier system
- carrier-communication system
- carrier-current communication system
- Cassegrain-Schmidt system
- cassette recording system
- cassette reproducing system
- CATRIN system
- caution system
- CD 900 system
- cellular system
- cellular-radio system
- central-battery system
- centralized control system
- chirp binary telegraph system
- cipher system
- circuit switched telecommunication system
- circuit switching telecommunication system
- circular telecontrol system
- clock system
- closed-circuit communication system
- closed-circuit telegraph system
- closed-numbering system
- code-dependent system
- code-division multiple access system
- code-independent system
- code-insensitive system
- code-sensitive system
- coding system
- coherent fiber-optic system
- collimating system
- collocated system
- color separating system
- combined numbering system
- combined power supply system
- combined satellite communication system
- common-battery system
- common-carrier system
- common-channel signaling system
- common-engineering communication system
- common-purpose cellular system
- common-using band system
- common-using cordless telephone system
- common-using paging system
- communication system
- communication traffic system
- communications system
- community antenna system
- community antenna television system
- community TV-system
- commununication switching system
- compact disk digital audio system
- compatible color television system
- compatible single sideband system
- compatible single-band system
- compatible TV-system
- complex radio communication system
- computer vision system
- computer-telephone system
- Comsar system
- Comsat system
- Conax system
- concentrated-insonation system
- conference system
- conference-communication system
- congested system
- congress-class system
- constant-current system
- control generating system
- conventional television system
- Conversant system
- cordless-communication system
- crossbar system
- crossed-coincident microphone system
- Crosspoint system
- CSE system
- C-system
- cubical video projecting system
- data processing system
- data system
- data transport system
- data-collection system
- data-compression system
- data-exchange system
- dataflow system
- data-gathering system
- data-handling system
- data-measuring system
- data-reduction system
- data-transmission system
- Decca Navigator system
- DECfax system
- decision-feedback system
- dedicated control channel system
- dedicated multimedia system
- delta-sigma system
- deluxe presentation system
- departmental communication system
- desktop-video system
- DFS/Copernicus system
- dial-telephone system
- differential phase shift-keying system
- differential-duplex system
- differential-magnetic system
- digital camera system
- digital hybrid-key telephone system
- digital mass storage system
- digital microwave radio transmission system
- digital telephone communication system
- digital transmission system
- digital TV-communication system
- Digital UNIX system
- digital-analog system
- digital-cellular system
- digital-data modulation system
- digital-effect system
- digital-message entry system
- digital-termination system
- direct-broadcasting satellite system
- directing system
- direct-modulation system
- direct-sequence system
- direct-telephone communication system
- discrete communication system
- discrete sound system
- discrete-addressing system
- disk-operating system
- DISOSS system
- dispatch telephone communication system
- dispatch-center system
- dispersed-insonation system
- distributed-insonation system
- distributed-processing system
- documental-type communication system
- Dolby systems
- domestic satellite communication system
- double-band telephone communication system
- double-channel transmission system
- double-current transmission system
- double-pole communication system
- double-sideband large carrier system
- DSCS system
- D-system
- dual-cable system
- dual-reflector system
- duplexed system
- Earth-to-space transmission system
- ECM system
- electric communication system
- electronic antishock system
- electronic data-gathering system
- electronic data-processing system
- electronic-message system
- electronic-scanning system
- electronic-switching system
- Ellipso system
- emergency telephone communication system
- emergency-broadcast system
- EMX system
- equidistant system
- error-correction system
- error-detection system
- Eutelsat system
- extensible system
- external paging system
- facsimile system
- fast-acting servicing system
- fault-tolerant system
- fax communication system
- fax transmitting system
- feed system
- fiber transmission system
- fiber-optic transmission system
- field-sequential system
- final mile system
- finishing system
- fire alarm system
- fire warning system
- first generation cellular system
- five-channel communication system
- fixed satellite system
- Flexcam system
- flexible access system
- Flitsatcom system
- focusing system
- four-channel sound system
- four-dimensional system
- four-wire telephone communication system
- frame-sequential system
- frequency shift-keying system
- frequency-carrier system
- frequency-control system
- front-bass reflex speaker system
- fully digital system
- gate system
- Gaussian system
- generalized system
- generating dynamic system
- generator-dc-motor system
- GIGASET radio system
- global positioning system
- Global system
- Gopher system
- grandfathered system
- group-alerting and dispatching system
- guide system
- hard-wired CCTV system
- hazard system
- helical-scan system
- HF-synchronizing system
- high-precision navigating system
- Hi-linear system
- home system
- home-telephone system
- home-type system
- homing-guidance system
- host system
- hydroacoustic system
- ideal communication system
- idealized system
- image informaion system
- image-forming system
- immedial servicing system
- incompatible system
- independent system
- information retrieval system
- information system radio system
- information system
- information-feedback system
- information-measuring system
- infrared alarm system
- Inmarsat system
- Inmarsat-A system
- Inmarsat-B system
- Inmarsat-C system
- Inmarsat-D system
- Inmarsat-M system
- Inmarsat-P system
- integrated telephone system
- integrated videographic teleconferencing system
- integrated-antenna system
- integrated-communication system
- integrated-modulation system
- integrated-office system
- Intelsat system
- interactive system
- intercarrier-sound system
- intercommunication system
- intercontinental tropospheric system
- interlock system
- intermachine exchange system
- intermediate system
- international communication system
- interphone system
- Intervision system
- intraband signaling system
- intruder alarm system
- inward-outward dialing system
- ionoscatter system
- ionosphere sounder system
- ionospheric system
- Iridium system
- isolated system
- Italsat system
- J-carrier system
- joint-multichannel trunking and switching system
- K-carrier system
- key system
- key-telephone system
- land satellite communication system
- large-grained communication system
- laser communication system
- L-band satellite system
- L-carrier system
- Leasat system
- lightning protection system
- limited distortion system
- line amplifiers system
- link system
- little-channel relay system
- local alarm system
- local battery system
- local communication system
- local radio paging system
- long-haul system
- long-range system
- loop system
- loud-speaking communication system
- low-traffic system
- magnetic tape recording system
- Mail system
- management-information system
- manual cellular system system
- manual telephone set system
- Marisat system
- master television system
- master-antenna television system
- matrix sound system
- message feedback system
- message procession system
- message registration system
- message-switched system
- meteor radio system
- Metrobus system
- micro component system
- Micro Press Cluster Printing system
- micro-lens system
- microprocessor system
- microwave relay system
- midi system
- mine radio telephone system
- mini system
- mixed media system
- mixed numbering system
- mobile cellular communication system
- mobile land communication system
- mobile radio system
- mobile relay system
- mobile system
- modulated system
- monetary mobile system
- MS-Mail system
- multiareal system
- multicassette system
- multichannel telephone system
- multicomputer system
- multidisk system
- multiformat recording system
- multifrequency tone signaling system
- multiguard system
- multilevel mixed system
- multimedia system
- multiple-channel system
- multiqueue system
- Multiscrypt system
- multistandard system
- multitrack editing system
- mutibeam antenna system
- muting system
- Nagravision system
- NAMTS system
- narrow-angle TV system
- national communication system
- navigation system
- n-channel communication system
- n-channel DPSK system
- n-channel transmission system
- network standalone system
- network system
- network-operation system
- networks numbering system
- neutral direct-current telegraph system
- n-head video system
- NMT system
- noise-reduction system
- nonhoming tuning system
- noninterlaced television system
- nonsegmented system
- Norsat system
- n-satellite system system
- n-tone DPSK system
- n-tone MFSK system
- NTSC system
- NTT system
- obligatory message system
- Odyssey system
- off-line system
- on-line computer system
- on-line secured system
- open numbering system
- open system
- operative-engineering communication system
- opposite signals system
- optical-communication system
- optical-information system
- optical-projection system
- optoelectronic system
- oscillating system
- oscillation system
- outband signaling system
- package-and-resource tracking system
- pagemaster system
- paging system
- PAL system
- parametric system
- PATHWORKS system
- pattern recognition system
- personal holding guard system
- phase shift-keying system
- phone system
- Piccolo system
- pilot-controller system
- polar direct-current telegraph system
- portable mobile system
- power control system
- power controlling system
- power-line carrier system
- power-supply system
- press-to-talk system
- Prestel system
- primary-supply system
- privacy system
- private branch paging system
- private movable system
- private videodata system
- private videotex system
- process-interface system
- PROFS system
- programmable cross-connect system
- programmable cross-connected system
- programmed radio system
- prompting system
- protected wireline distribution system
- protection system
- pseudoquadraphony system
- pseudotrunking system
- public videodata system
- public videotex system
- pulse-code system
- pulse-frequency system
- pulse-time system
- quadraphonic sound system
- quadruple-diversity system
- R1 system
- R2 system
- radio buoy system
- radio command system
- radio communication system
- Radio Data system
- radio facsimile system
- Radiocom 2000 system
- radio-control system
- radio-paging system
- radio-relay system
- radiosonde-radio-wind system
- radio-telemetering system
- real time pulse-echo system
- real time system
- receiver lockout system
- recording system
- recovery system
- redundant system
- reference-information system
- regional electronic payment system
- relay-radio system
- remote concentrating system
- remote control system
- remote diagnostic system
- remote information system
- remote semiconcentrating system
- remote sensing system
- remote signaling system
- rendering system
- rerecording system
- reserved servicing system
- RF/Transmission system
- rotary system
- safety alarm system
- safety system
- Satcom system
- satellite comminication system
- satellite marine comminication system
- Satellite Master Antenna Television system
- satellite radio system
- satellite-aircraft communication system
- SB-communication system
- SBL communication system
- scalable system
- scanning trunking system
- SCO UNIX system
- searchless identification system
- seat reservation system
- SECAM system
- second generation cellular system
- second room system
- secondary supply system
- secrecy system
- section communication system
- security system
- segmented system
- seismic system
- selective calling system
- selective frequency base station system
- selective protective system
- selective telephone system
- self-adjusting system
- self-balancing differential system
- self-contained system
- self-test system
- selsyn system
- semiautomatic-switching system
- semiautomatized cellular system
- sensory system
- servo system
- shadow-batch system
- short-haul microwave system
- Sicral system
- Sigma Servo system
- signal system
- simplex movable system
- single-band transmission system
- single-busbar system
- single-cable communication system
- single-cable system
- single-channel system
- single-current transmission system
- single-pulse tracking system
- Skynet system
- small-grained communication system
- SmarTrunk II radio communication system
- solid-state uninterruptible power battery system
- Sony bus system
- sound alarm system
- sound equalization system
- sound navigation system
- sound reinforcement system
- sound warning system
- space-division system
- space-switched system
- spark-safe system
- speaker system
- special communication system
- speech-processing system
- speech-recognition system
- split-speaker system
- spread-spectrum system
- stabilizing system
- stage monitoring system
- standalone double point system
- star-circuit system
- STAREX CMX system
- starting communication system
- start-stop system
- stationary satellite system
- step-by-step system
- stereo sound system
- stereophonic sound system
- storage system
- storage-and-retrieval system
- Strowger system
- submarine fiber-optic system
- subprimary digital transmission system
- subscriber carrier system
- subscriber switching system
- suffix system
- Supersat system
- supervisory control system
- surround sound system
- switched telecommunication system
- switching system
- sync communication system
- synchro system
- synchronous communication system
- synchronous digital system
- TAGS system
- tandem system
- tariffication system
- T-carrier system
- TDF system
- teleautomatic system
- Telecom system
- telecommunication system
- telecommunications system
- telecommunication-service priority system
- telecommunications-service priority system
- telecontrol system
- telemechanic system
- telemetering system
- telemetry system
- telephone system
- telephone-answering system
- telephone-communication system
- telephone-communications system
- teleprocessing system
- Telesat system
- teletex system
- teletypewriter system
- television-telephone system
- Tele-X system
- Telsar system
- terminal system
- terrestrial radio-relay system
- theft-prevention system
- thin-route system
- third generation communication system
- three-axle stabilizing system
- three-channel HF-telephone system
- three-channel transmission system
- three-color system
- three-lens optical system
- three-primary system
- three-wire system
- time-dissemination system
- time-frequency hopping system
- time-switched system
- total access communication system
- total area coverage system
- transmission system
- trichromatic system
- triple-interlace system
- triplex system
- trunk communication system
- TV-observation system
- twelve-channel transmission system
- two-arm system
- two-band system
- two-color system
- two-roller transfer system
- two-step control system
- two-way CATV system
- two-way system
- two-wire telephone communication system
- ultra-match system
- ULTRIX system
- unified radioaccess system
- unilateral-control system
- unilateral-synchronization system
- uninterruptible-power system
- Unisat system
- universal alarm system
- universal-battery system
- universal-electronic system
- universal-movable system
- Uniworks system
- vestigial-sideband system
- video editing system
- video home system
- video recording system
- videocom system
- videoteleconference system
- videotex system
- virtual studio system
- vision system
- vocoder system
- voice dialog system
- voice frequency carrier telegraph system
- voice modulation system
- voice post system
- volume control system
- waiting system
- warning system
- watch system
- watching system
- waterside facsimile communication system
- wave-propagating system
- wide-angle TV system
- Winfax Pro system
- wired broadcasting system
- wireless CCTV system
- wireless home system
- wireless infrared speaker system
- wire-radio communication system
- XY system
- zone-selective protection system
- zoning system

- active network
- adjustment network
- all-pass network
- analog cellular network
- asynchronous network
- automatic secure voice communication network
- automatic voice network
- average-capacity radio-relay network
- backbone network
- banyan network
- baseband network
- baseband-switched network
- baseline network
- branched network
- bridged-T network
- broadband integrated-service digital network
- building-out network
- bus network
- butterfly network
- cable telephone network
- cable-news network
- cable-television network
- carrier recovery network
- CATV network
- cellular paging network
- cellular radio network
- circuit-switched network
- circuit-switching network
- circular radiocommunication network
- closed cellular network
- combined distribution network
- commercial communication network
- common-telegraph network
- common-telephone network
- common-user network
- communication network
- compromise network
- computer network
- computerized transport communication network
- conferencing network
- coordinate network
- copy network
- core network
- corporate network
- corporative network
- corrective network
- coupling network
- cross-connect network
- customer network
- damaged network
- data-communication network
- data-computing network
- data-transmission network
- decoding network
- decoupling network
- deemphasis network
- Deep-Space network
- degraded network
- delay-line network
- democratic network
- democratically-synchronized network
- departmental communication network
- departmental data-transmission network
- departmental engineering communication network
- departmental facsimile network
- departmental radio network
- departmental telegraph network
- departmental telephone network
- derived-services network
- despotic network
- despotically-synchronized network
- dial network
- dial-up network
- differentiating network
- digital cellular network
- discrete communication network
- dispersed network
- district center telephone network
- district telephone network
- dual network
- electric communication networks
- electric switched network
- electrically switched network
- engineering subscribers network
- enhanced other networks
- equivalent network
- expansion network
- facsimile-communication network
- federal paging network
- fiber-hubbed network
- fiber-optical network
- flip network
- four-pole network
- four-wire distribution network
- full-service network
- gas-pipeline servicing relay network
- go-around radio network
- group channels network
- group network
- half-open cellular network
- hierarchic computer network
- hierarchical computer network
- hierarchically-synchronized network
- high-capacity radio relay network
- highly hierarchical network
- highly pipelined network
- H-network
- homogeneous network
- hybrid communication network
- hybrid fiber-and-coaxial network
- inductance network
- inductance-capacitance network
- inductance-resisitance network
- inductive cable network
- information network
- in-house network
- integrated digital communication network
- integrated digital network
- integrated transport network
- integrated-services backbone network
- integrated-services digital network
- intelligent network
- interactive network
- interbuilding network
- intercity network
- intercom network
- international communication network
- interoffice transit network
- interorganization network
- intraairport communication network
- intraareal network
- intrabuilding communication network
- intraindustrial communication network
- intraindustrial telephone network
- intraobject communication network
- intraoffice network
- joint-academic network
- landing radio network
- lead network
- leased-line network
- line communication network
- line radio communication network
- linear network
- line-building-out network
- local communication network
- local paging network
- local telephone network
- local transport network
- long distance communication network
- loop network
- loudspeaker dividing network
- main network
- managed-data network
- mesh network
- message switching network
- meteorological radio network
- metropolitan-area network
- microwave network
- mid-split network
- mine telephone network
- Ministry of Communication network
- mixed network
- modem-based network
- monochannel network
- multiaccess network
- multifrequency network
- multilayer network
- multipath network
- multiple-domain network
- multiple-switching network
- multiring network
- multistation network
- multisystem network
- mutually-synchronized network
- narrowband digital integrated-service network
- nation-wide network
- n-layer network
- NMT network
- nodeless network
- nonhomogeneous network
- nonintegrated network
- nonswitched network
- nonsynchronous network
- oil-pipeline servicing relay network
- oligarchically-synchronized network
- open cellular network
- optoelectronic network
- originating-switching network
- packet wireless communication network
- packet-radio network
- packet-switching network
- parallel-T network
- passenger train-chief radio network
- passenger train-master radio network
- passive network
- personal radio network
- phase-correcting network
- planetext network
- polled network
- port-annunciation network
- preemphasis network
- press-teletype network
- primary-trunk communication network
- private intercompany network
- private voice-band network
- private-business network
- proliferated network
- protected network
- provincial center telephone network
- public-data network
- public-switched telephone network
- public-telegraph network
- public-transport network
- pulse-delay network
- pulse-forming network
- queueing network
- radial paging network
- radio network
- radiotransmitters network
- railway center radio network
- railway communication network
- railway telephone network
- random-access network
- Raynet network
- RC network
- reconfigured network
- regional communication network
- regional paging network
- reserved radio network
- resistance-capacitance network
- ring network
- ring-radial network
- ring-star network
- road communication network
- routing network
- rural telephone network
- salvation radio network
- satellite network
- secondary computerized communication network
- selective network
- separate crossover network
- shaping network
- ship telephone network
- short-haul network
- shuffle-exchange network
- silent network
- simplex zonal radio network
- simulcast network
- single-frequency network
- slotted-envelope network
- slotted-ring network
- small-capacity radio relay network
- software-defined network
- space network
- space-time-space network
- special communication network
- spread of work radio communication network
- stage-controlled network
- star network
- star-shape network
- station communication network
- submarine cable network
- subscriber's telegraph network
- switched-message network
- switching network
- synchronous-data network
- take-off radio network
- talk-TV network
- taxi radio network
- telecode communication network
- telecommunication network
- telecommunication-management network
- telegraph communication network
- telephone network
- teleprocessing network
- teletex network
- teletype network
- teletypewriter network
- television network
- telex-communication network
- temporary line dispatch radio network
- terminating switching network
- token passing network
- token-bus network
- token-ring network
- token-sharing network
- toll-telephone network
- transit network
- transmission network
- trunk telephone network
- trunking channels network
- underground antenna network
- united automatized state communication network
- urban telephone network
- video area network
- virtual network
- voice network
- water-communication network
- waterside communication network
- wire-hanger network
- wireless network
- word processor network

- adapter circuit
- adjustment circuit
- alive circuit
- announcing circuit
- anode circuit
- antisidetone circuit
- asynchronous circuit
- automatic reset-data circuit
- automatic ringdown circuit
- automatic start circuit
- auxiliary circuit
- balanced circuit
- balanced-wire circuit
- balancing circuit
- band-switching circuit
- basic circuit
- black-level restoring circuit
- black-level stretch circuit
- bootstrap circuit
- branch circuit
- branched circuit
- bridge antisidetone circuit
- building-out circuit
- built-up circuit
- Buttler circuit
- bypass circuit
- cached circuit
- call circuit
- capacitor-coupled circuit
- capacitor-switched circuit
- capacitor-switching circuit
- central-battery circuit
- chain-type connection circuit
- character generator large-scale integration circuit
- charge-coupled device circuit
- check parity circuit
- checkout circuit
- chrominance matrix circuit
- chrominance separation circuit
- chrominance takeoff circuit
- clamp-on circuit
- closed circuit
- coarse phasing circuit
- coaxial circuit
- coincidence circuit
- color-balance circuit
- color-indexing circuit
- color-purity circuit
- combinational-circuit circuit
- combined-supply circuit
- common-base circuit
- common-battery circuit
- common-collector circuit
- common-drain circuit
- common-emitter circuit
- common-gate circuit
- common-source circuit
- common-user circuit
- communication circuit
- comparing circuit
- compensating antisidetone circuit
- complemental metal-oxide-semiconductor circuit
- composite circuit
- conductor-bundled static wire circuit
- conference circuit
- connecting circuit
- constant-closed circuit
- contactor-relay circuit
- continental circuit
- convergence circuit
- cord circuit
- correcting circuit
- Costas circuit
- counter-coupling circuit
- counting-down circuit
- coupled circuit
- cross-bus matrix circuit
- crossed-waveguide circuit
- cue circuit
- cutoff circuit
- Darlingtone circuit
- data circuit
- data-transmission circuit
- dc restoration circuit
- decoder circuit
- delay circuit
- demodulation circuit
- dial-up circuit
- diamond circuit
- differencing circuit
- differential-frequency circuit
- digital circuit
- digital-excitation circuit
- digital-leased circuit
- diode-clamping circuit
- diode-clipping circuit
- diode-stabilitron circuit
- direct international circuit
- direct-connection circuit
- direct-transit international circuit
- direct-wire circuit
- double half-wave circuit
- double-ended cord circuit
- double-loop circuit
- dual circuit
- earth circuit
- earthed circuit
- echo-absorption circuit
- edge derivation circuit
- electric circuit
- electronic circuit
- elementary circuit
- encoding circuit
- energized circuit
- engineering circuit
- equivalent circuit
- error-subtracting circuit
- external circuit
- fallback circuit
- feed circuit
- feedback circuit
- fiber-optic circuit
- fire-control circuit
- fixed-virtual circuit
- flexible circuit
- flexible-stage circuit
- flywheel circuit
- forked circuit
- four-wire circuit
- frame scanning circuit
- frequency-changing circuit
- frequency-protection circuit
- full-accessible circuit
- full-period allocated circuit
- functional-switching circuit
- gallium-arsenide integrated circuit
- gating circuit
- generating circuit
- Gilbert circuit
- Grets circuit
- grid circuit
- ground-return circuit
- grouping circuit
- half-bridge circuit
- half-wave circuit
- hardened circuit
- head circuit
- HF-correction circuit
- holding circuit
- horizontal deflection circuit
- hybrid circuit
- hypothetical reference circuit
- idle lighting limiting circuit
- inclined adjustment circuit
- incoming circuit
- independent circuit
- inductive circuit
- input circuit
- input-by-output matrix circuit
- inquiry circuit
- integrated circuit
- integrating circuit
- interchange circuit
- interface-integrated circuit
- interferenced circuit
- interferencing circuit
- international leased circuit
- interstage coupling circuit
- invertor circuit
- ISDN echo cancellation circuit
- isochronic circuit
- Jiakoletto circuit
- junction circuit
- Karp circuit
- keep-alive circuit
- key section power circuit
- killer circuit
- ladder circuit
- lamp circuit
- large-scale integration circuit
- latched circuit
- LCR circuit
- lead changeover circuit
- LF-correction circuit
- line circuit
- linear circuit
- link circuit
- live circuit
- local circuit
- lock-in circuit
- locking circuit
- lock-out circuit
- long circuit
- long-distance circuit
- longitudinal circuit
- loop circuit
- lossless resonant circuit
- L-shaped circuit
- magnetic convergence circuit
- main supply circuit
- make circuit
- Marx circuit
- match circuit
- matching circuit
- matrix circuit
- message circuit
- microelectronic circuit
- microphone supply circuit
- multidrop circuit
- multijunctor circuit
- multiloop circuit
- multipoint circuit
- muting circuit
- neodymium magnetic circuit
- neutral circuit
- neutralization circuit
- neutralizing circuit
- noise-rejecting circuit
- noise-suicide circuit
- nonlinear circuit
- NOT circuit
- on-call circuit
- open circuit
- optoelectronic integrated circuit
- OR circuit
- order wire circuits
- OR-ELSE circuit
- oscillating circuit
- oscillation circuit
- output circuit
- output voltage tracking circuit
- packaged circuit
- paging circuit
- parallel circuit
- partially accessible circuit
- peaking circuit
- periodic closed circuit
- phantom circuit
- phase comparating circuit
- phase compensating circuit
- phase-shift circuit
- phase-substitution circuit
- physical circuit
- pilot circuit
- pilot-make-busy circuit
- planar circuit
- point-to-point circuit
- polling circuit
- polyphase circuit
- power circuit
- power-supply circuit
- precision phasing circuit
- primary circuit
- printed circuit
- private leased circuit
- protection circuit
- pulse-phase control circuit
- push-to-talk circuit
- push-to-type circuit
- quenching circuit
- quiet-tuning circuit
- radial supply circuit
- radio circuit
- RC circuit
- reactance control circuit
- reading circuit
- rectification circuit
- reference circuit
- rejecting circuit
- relay cutout circuit
- remote control circuit
- remote-ring circuit
- repeat circuit
- reset circuit
- resonance circuit
- resonant circuit
- reverse circuit
- reverse diode circuit
- ring circuit
- ringing circuit
- sample-and-hold circuit
- scaling circuit
- Scott circuit
- secondary circuit
- section substitution circuit
- selecting circuit
- selective circuit
- self-locked circuit
- series circuit
- series-oscillating circuit
- series-parallel circuit
- series-peaking circuit
- series-tuned circuit
- shaping circuit
- shaved single frequency circuit
- short circuit
- shunt circuit
- shunting circuit
- shunt-peaking circuit
- side circuit
- signal circuit
- signal processing circuit
- signal recovery circuit
- single-current circuit
- single-ended push-pull circuit
- single-frequency resonance circuit
- single-phase bridge circuit
- single-phase circuit
- snap-acting circuit
- solving circuit
- sound-program circuit
- spark-safe circuit
- speech circuit
- speed regulating circuit
- squaring circuit
- stabilizer circuit
- stable circuit
- stage circuit
- stage control circuit
- standard cable circuit
- standard circuit
- standby circuit
- stenode circuit
- storage large-scale integration circuit
- storage locking circuit
- straightforward circuit
- strap magnetic circuit
- strip-line circuit
- super large scale integration circuit
- superimposed circuit
- superposed circuit
- supply circuit
- sweep circuit
- switched circuit
- switching circuit
- symistor control circuit
- synchronous circuit
- tail circuit
- talk-back circuit
- tandem data circuit
- tank circuit
- tapped magnetic circuit
- tapped stage circuit
- telecommunication circuit
- telecommunication-protection circuit
- telegraph circuit
- telegraph grade circuit
- telegraph signal generating circuit
- telephone circuit
- telephone signal generating circuit
- telesignaling receiving circuit
- telesignaling sending circuit
- television circuit
- terminal circuit
- test circuit
- testing circuit
- third circuit
- three-loop circuit
- three-phase input circuit
- three-wire circuit
- through circuit
- thyristor control circuit
- time protection circuit
- time-delay circuit
- time-interval protection circuit
- time-setting circuit
- timing circuit
- toll circuit
- touch sensing circuit
- touch tone dial circuit
- transformer substitution circuit
- transformer-coupled circuit
- transistor clipping circuit
- transistor collector circuit
- transistor control circuit
- transistor protection circuit
- tributary circuit
- triode clamp circuit
- trunk circuit
- T-shaped circuit
- tuned circuit
- twelve-pulse circuit
- two-frequency resonance circuit
- two-loop circuit
- two-wire-ground circuit
- uniform circuit
- unstable circuit
- untapped circuit
- untapped magnetic circuit
- U-shaped circuit
- variometer controlling circuit
- video circuit
- virtual circuit
- voice circuit
- voltage multiplying circuit
- voltage sensor circuit
- watching output circuit
- wideband circuit
- wire circuit
- wired circuit