private NS EP telecommunication services

- 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

- 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

- networks of limited equivalence
- network of microcomputer
- abstract semantic network
- active network
- activity network
- adaptive network
- adaptive resonance theory network
- additive Grossberg network - aperiodic network
- ART network
- artificial mains network - asynchronous neural network - back propagation network
- back-up radio network
- balanced network
- balanced Feistel network
- balancing network
- BAM network
- banner network
- baseband network
- basic network
- Bayes network
- beam-forming network - biconjugate network
- bidirectional associative memory network
- bilateral network
- biological neural network
- Boltzman machine neural network
- Boolean network
- brain-state-in-a-box network
- bridge network
- bridged-T network - bus network
- butterfly network
- C-network
- cellular neural network
- cellular radio network
- channel-switching network
- chaotic neural network - circuit-switching network
- class A-network
- class B-network
- class C-network
- client-server network
- closed private network - common-user network
- communications network
- company network
- compromise network
- computer network - connected network
- connectionist network
- connectionless network
- connection-oriented network
- constant-K network
- constant-M network
- continuous Hopfield network
- corrective network
- countable network - coupling network
- crossover network
- customer-access network
- data network
- data transmission network
- decoding network
- decoupling network
- dedicated network
- deemphasis network
- deep-space network
- delta network
- demand-assigned network
- dial-up network
- difference network
- differentiated network
- differentiating network
- digipeater network
- digital communication network
- digital satellite network
- digital switching network - discrete Hopfield network
- dislocation network
- dissymmetrical network
- distributed network
- distributed operating multi-access interactive-network
- distributed parameter network
- dividing network
- Doba's network
- dual network
- edge-dislocation network
- eight-pole network
- eight-terminal network
- electric network - equivalent networks - extensional semantic network
- extensive network - feedback network
- feedforward network
- Feistel network - fixer network
- four-pole network
- four-terminal network
- fractal network
- frequency-dependent negative-resistance network
- fully connected network
- fully connected neural network
- full mesh network
- full meshed network
- fuzzy neural network
- generalized additive network - ground-station network - Hamiltonian neural network
- Hamming's neural network
- Hebb network
- Hecht-Nielsen network
- Hecht-Nielsen neural network
- heterogeneous network
- heterogeneous neural network
- high-capacity network - higher-order neural network
- homogeneous network
- homogeneous neural network
- Hopfield's neural network
- Hopfield-Tank network
- Hopfield-Tank neural network
- hybrid network
- inductance network
- inductance-capacitance network
- inductance-resistance network
- industrial district network
- information network
- in-office network of links - Internet relay chat network
- inter-organizational network
- interstage network
- inverse networks
- IRC network
- irredundant network
- isolation network
- L-network
- ladder network - lattice network
- lead network
- leased-line network
- linear network - load-matching network - long-distance network
- long-haul network
- loop network
- loudspeaker dividing network
- lumped network
- lumped-constant network
- lumped-distributed network
- Kohonen network
- Kohonen self-organizing network
- Kosko network
- Kosko neural network
- learning vector quantization network
- LVQ network
- Markovian network
- matching network
- McCulloch-Pitts network
- merging network
- mesh network
- meshed network
- message-switched network
- metropolitan area network
- mid-level network
- minimum-phase network
- MPLS network
- multiaccess network
- multi-attractor network
- multidimensional network
- multidrop network
- multifractal network
- multiinput-multioutput network
- multilayer neuron network
- multiple-access network
- multiply-connected network
- multipoint network
- multiport network
- multiprotocol label switching network - multistage switching network
- multistar network
- multistation network
- multisystem network
- multiterminal network
- multiterminal-pair network
- municipal area network - neural network with local connections
- neural-like network
- nodal network
- nonlinear network
- nonplanar network
- nonreciprocal network
- nonuniformly distributed network
- notch network
- n-pole network
- n-port network
- n-terminal network
- n-terminal pair network
- O-network
- one-port network
- optical network
- optical fiber network
- optical neural network
- originating switching network
- packet commutation network - packet satellite network
- packet switch network
- packet switching network
- paging network
- parallel network
- parallel-T network
- parallel two-terminal pair networks
- partial mesh network
- partial meshed network
- passive network
- peaking network
- peer-to-peer network
- perceptron-type network
- percolation network
- personal communication network
- phase-advance network
- phase-shifting network
- phase-splitting network
- phasing network
- pi-network
- piece-linear network
- pilot wire controlled network
- planar network
- polarization matching network
- power distribution network
- preassigned network
- preemphasis network
- private network
- private-line intercity network - quadrupole network - radar network
- radio network
- radio access network
- radio intercom network
- radio-relay network
- rearrangeable network
- reciprocal network
- recognition network
- recurrent neural network
- regression neural network
- repeater network
- replicative neural network
- research network
- resistance-capacitance network
- resistive network
- resource-sharing computer-communication-network
- ring-switched computer network
- routing network
- satellite-earth stations network - second-order network
- selective network
- semantic network
- semiconductor network
- series network
- series-peaking network
- series-shunt network
- series-shunt peaking network
- shaping network
- short-haul network
- shuffle network
- shunt network
- shunt-peaking network
- signal-shaping network
- single-layer neural network
- singly terminated network - sorting network
- speaker dividing network
- stabilization network
- star network
- statistical Hopfield's network
- statistical Hopfield's neural network
- steering network - strategic network
- structurally dual networks
- structurally symmetrical networks
- stub network
- summation network
- summing network
- support network
- switched network
- switched message network
- switched telecommunications network
- switching network
- synchronous network
- synchronous neural network - T-network
- tapered distribution network
- technologies support network
- telecommunication network - terminating switching network - token bus network
- Token Ring network
- token ring network
- transit network
- transmission network
- transputer network
- tree network - trusted network
- twin-T network
- two-pole network
- two-port network
- two-terminal network
- two-terminal-pair network
- unbalanced Feistel network
- undersea network
- uniformly distributed network
- unilateral network
- universal network
- untrained neural network - world-wide communication network
- WS network
- X-network
- Y-network
- π-network

- abstract semantic network
- active network
- activity network
- adaptive network
- adaptive resonance theory network
- additive Grossberg network
- advanced intelligent network
- advertiser network
- aeronautical fixed telecommunications network
- all-pass network
- aperiodic network
- ART network
- artificial mains network
- artificial neural network
- asynchronous network
- asynchronous neural network
- attached resource computer network
- attenuation network
- automatic digital network
- automatic voice network
- back propagation network
- backbone network
- back-up radio network
- balanced Feistel network
- balanced network
- balancing network
- BAM network
- banner network
- baseband network
- basic network
- Bayes network
- beam-forming network
- because it's time network
- Benetton network
- biconjugate network
- bidirectional associative memory network
- bilateral network
- biological neural network
- Boltzman machine neural network
- Boolean network
- brain-state-in-a-box network
- bridge network
- bridged-T network
- broadband communication network
- broadband integrated services digital network
- building-out network
- bus network
- butterfly network
- C network
- cellular neural network
- cellular radio network
- channel-switching network
- chaotic neural network
- charge-routing network
- circuit-switched data network
- circuit-switched public data network
- circuit-switching network
- class A network
- class B network
- class C network
- client-server network
- closed private network
- combinatorial network
- commercial network
- common-user network
- communications network
- company network
- compromise network
- computer + science network
- computer network
- concatenated network
- conferencing network
- connected network
- connectionist network
- connectionless network
- connection-oriented network
- constant-K network
- constant-M network
- continuous Hopfield network
- corrective network
- countable network
- counterpropagation network
- coupled-line network
- coupling network
- crossover network
- customer-access network
- data network
- data transmission network
- decoding network
- decoupling network
- dedicated network
- deemphasis network
- deep-space network
- delta network
- demand-assigned network
- dial-up network
- difference network
- differentiated network
- differentiating network
- digipeater network
- digital communication network
- digital satellite network
- digital switching network
- digital time-division network
- directed network
- discrete Hopfield network
- dislocation network
- dissymmetrical network
- distributed network
- distributed operating multi-access interactive network
- distributed parameter network
- dividing network
- Doba's network
- dual network
- edge-dislocation network
- eight-pole network
- eight-terminal network
- electric network
- electronic space-division analog network
- elementary digital network
- equalizing network
- equivalent networks
- European academic and research network
- European Unix network
- exponential network
- extensional semantic network
- extensive network
- fast neural network
- FDNR network
- feedback network
- feedforward network
- Feistel network
- FIDO technology network
- firm network
- fixer network
- four-pole network
- four-terminal network
- fractal network
- frequency-dependent negative-resistance network
- full mesh network
- full meshed network
- fully connected network
- fully connected neural network
- fuzzy neural network
- general regression neural network
- generalized additive network
- global area network
- ground-station network
- ground-wave emergency network
- H network
- Hamiltonian neural network
- Hamming's neural network
- Hebb network
- Hecht-Nielsen network
- Hecht-Nielsen neural network
- heterogeneous network
- heterogeneous neural network
- high energy physics network
- high-capacity network
- higher-order network
- higher-order neural network
- homogeneous network
- homogeneous neural network
- Hopfield's neural network
- Hopfield-Tank network
- Hopfield-Tank neural network
- hybrid network
- inductance network
- inductance-capacitance network
- inductance-resistance network
- industrial district network
- information network
- in-office network of links
- integrated broadband communication network
- integrated business network
- integrated digital network
- integrated enterprise network
- integrated services digital network
- integrating network
- intelligent network
- intelligent optical network
- intercom network
- Internet relay chat network
- inter-organizational network
- interstage network
- inverse networks
- IRC network
- irredundant network
- isolation network
- Kohonen network
- Kohonen self-organizing network
- Kosko network
- Kosko neural network
- L network
- ladder network
- LAN outer network
- land network
- lattice network
- lead network
- learning vector quantization network
- leased-line network
- linear integrated network
- linear network
- linear varying parameter network
- load-matching network
- local area network
- local computer network
- long-distance network
- long-haul network
- loop network
- loudspeaker dividing network
- lumped network
- lumped-constant network
- lumped-distributed network
- LVQ network
- Markovian network
- matching network
- McCulloch-Pitts network
- merging network
- mesh network
- meshed network
- message-switched network
- metropolitan area network
- mid-level network
- minimum-phase network
- MPLS network
- multiaccess network
- multi-attractor network
- multidimensional network
- multidrop network
- multifractal network
- multiinput-multioutput network
- multilayer neuron network
- multiple-access network
- multiply-connected network
- multipoint network
- multiport network
- multiprotocol label switching network
- multiprotocol transport network
- multiservice network
- multistage switching network
- multistar network
- multistation network
- multisystem network
- multiterminal network
- multiterminal-pair network
- municipal area network
- national information network
- network of microcomputer
- networks of limited equivalence
- networks ot general equivalence
- neural network with local connections
- neural network
- neural-like network
- nodal network
- nonlinear network
- nonplanar network
- nonreciprocal network
- nonuniformly distributed network
- notch network
- n-pole network
- n-port network
- n-terminal network
- n-terminal pair network
- one-port network
- O-network
- optical fiber network
- optical network
- optical neural network
- originating switching network
- packet commutation network
- packet data network
- packet radio network
- packet satellite network
- packet switch network
- packet switching network
- paging network
- parallel network
- parallel two-terminal pair networks
- parallel-T network
- partial mesh network
- partial meshed network
- passive network
- peaking network
- peer-to-peer network
- perceptron-type network
- percolation network
- personal communication network
- phase-advance network
- phase-shifting network
- phase-splitting network
- phasing network
- piece-linear network
- pilot wire controlled network
- pi-network
- planar network
- polarization matching network
- power distribution network
- preassigned network
- preemphasis network
- private network
- private-line intercity network
- probabilistic neural network
- projection pursuit network
- public data network
- public land mobile network
- public switched network
- public switched telephone network
- public telegraph network
- public telephone network
- pulse-forming network
- quadripole network
- quadrupole network
- quantum neural network
- queuing network
- radar network
- radio access network
- radio intercom network
- radio network
- radio-relay network
- rearrangeable network
- reciprocal network
- recognition network
- recurrent neural network
- regression neural network
- repeater network
- replicative neural network
- research network
- resistance-capacitance network
- resistive network
- resource-sharing computer-communication network
- ring-switched computer network
- routing network
- satellite tracking and data acquisition network
- satellite-earth stations network
- screw-dislocation network
- second-order network
- selective network
- semantic network
- semiconductor network
- series network
- series-peaking network
- series-shunt network
- series-shunt peaking network
- shaping network
- short-haul network
- shuffle network
- shunt network
- shunt-peaking network
- signal-shaping network
- single-layer neural network
- singly terminated network
- small business network
- social network
- software defined network
- solid-state network
- sorting network
- speaker dividing network
- stabilization network
- star network
- statistical Hopfield's network
- statistical Hopfield's neural network
- steering network
- storage area network
- store-and-forward network
- strategic network
- structurally dual networks
- structurally symmetrical networks
- stub network
- summation network
- summing network
- support network
- switched message network
- switched network
- switched telecommunications network
- switching network
- synchronous network
- synchronous neural network
- synchronous optical network
- systolic network
- tapered distribution network
- technologies support network
- telecommunication network
- telecommunications management network
- teletype network
- terminating switching network
- time delay neural network
- time-division analog network
- time-invariant network
- T-network
- token bus network
- Token Ring network
- token ring network
- transit network
- transmission network
- transputer network
- tree network
- trimming resistive network
- trunk network
- trusted network
- twin-T network
- two-pole network
- two-port network
- two-terminal network
- two-terminal-pair network
- unbalanced Feistel network
- undersea network
- uniformly distributed network
- unilateral network
- universal network
- untrained neural network
- user network
- value-added network
- virtual private network
- weighting network
- wide area network
- wireless intelligent network
- wireless local area network
- wireless wide area network
- work station network
- world-wide communication network
- WS network
- X-network
- Y-network

- absent-subscriber service
- address service
- advanced mobile phone service
- advanced mobile phone service/digital
- aeronautical service
- aeronautical broadcasting service
- aeronautical fixed service
- aeronautical mobile service
- aeronautical radionavigation service
- aeronautical telecommunication service
- aircraft control and warning service
- alternative line service
- amateur service
- analog communication service
- answering service
- around-the-clock service
- beacon service
- bibliographic retrieval service
- BIOS services
- British Forces broadcasting service
- broadcasting service
- broadcasting satellite service
- broadcast videotex service
- bulletin board service
- cable broadband service
- cable modem service
- call service
- circuit emulation service
- citizens' radio service
- coding-decoding service
- communication service
- connection service
- connectionless network service
- connection-oriented network service
- cryptographic service
- DAB service
- data service
- dialed number identification service
- digital advanced mobile phone service
- digital audio broadcasting service
- digital music service
- directory service
- directory inquiry service
- directory synchronization service
- distributed file services
- E911 service
- echo cancellation service
- e-mail service
- emergency service
- emergency radio service
- encoding-decoding service
- end-by-end service
- electronic service
- extended 911 service
- facsimile service
- field service
- general packet radio service
- general security service
- hop-by-hop service
- industrial radio services
- information service
- instructional television fixed service
- integrated packet switching service
- intelligent messaging service
- intermittent service
- international communication service
- international packet switched service
- international telecommunications service
- Knowbot information service
- land mobile service
- land-transportation radio services
- local multipoint distribution service
- location service
- long-distance service
- management information service
- maritime mobile service
- maritime radionavigation service
- maritime radionavigation satellite service
- mass call service
- media service
- message service
- message handling service
- message transport protocol service
- messenger service
- meteorological aids service
- Microsoft consulting service
- mobile service
- mobile radio service
- multipoint communication service
- multipoint distribution service
- narrow-band advanced mobile phone service
- national data processing service
- national mobile radio service
- NetWare distributed print services
- network file service
- network information service
- network protocol service
- new technology directory service
- news service
- NT directory service
- on-line information service
- personal communication service
- personal locator service
- personal-radio service
- plain old telephone service
- positioning service
- private-line service
- public radiocommunication service
- public telephone service
- radiodetermination service
- radio information service
- radiolocation service
- radionavigation service
- radionavigation satellite service
- redirection service
- remote service
- remote computing service
- rescue-and-recovery service
- resource administrative service
- running service
- satellite digital audio radio services
- security service
- short message service
- signaling service
- sound-program service
- standard-frequency service
- standard positioning service
- subscriber-based broadcast service
- switched multimegabit data service
- teleinformatic services
- telemetric service
- telephoto service
- teletypewriter-exchange service
- terminal service
- timed signal service
- toll service
- TWX service
- value-added service
- videophone service
- visual-telephone service
- virtual channel service
- virtual terminal service
- voice messaging service
- Web network file service
- wide area telephone service
- wire service
- wired subscription service
- wired videotex service
- wireless 911 service
- wireless communication service
- wireless data service

- absent-subscriber service
- address service
- advanced mobile phone service
- advanced mobile phone service/digital
- aeronautical broadcasting service
- aeronautical fixed service
- aeronautical mobile service
- aeronautical radionavigation service
- aeronautical service
- aeronautical telecommunication service
- aircraft control and warning service
- alternative line service
- amateur service
- analog communication service
- answering service
- around-the-clock service
- beacon service
- bibliographic retrieval service
- BIOS services
- British Forces broadcasting service
- broadcast videotex service
- broadcasting satellite service
- broadcasting service
- bulletin board service
- cable broadband service
- cable modem service
- call service
- circuit emulation service
- citizens' radio service
- coding-decoding service
- communication service
- connection service
- connectionless network service
- connection-oriented network service
- cryptographic service
- DAB service
- data service
- dialed number identification service
- digital advanced mobile phone service
- digital audio broadcasting service
- digital music service
- directory inquiry service
- directory service
- directory synchronization service
- distributed file services
- E911 service
- echo cancellation service
- electronic service
- e-mail service
- emergency radio service
- emergency service
- encoding-decoding service
- end-by-end service
- extended 911 service
- facsimile service
- field service
- general packet radio service
- general security service
- hop-by-hop service
- industrial radio services
- information service
- instructional television fixed service
- integrated packet switching service
- intelligent messaging service
- intermittent service
- international communication service
- international packet switched service
- international telecommunications service
- Knowbot information service
- land mobile service
- land-transportation radio services
- local multipoint distribution service
- location service
- long-distance service
- management information service
- maritime mobile service
- maritime radionavigation satellite service
- maritime radionavigation service
- mass call service
- media service
- message handling service
- message service
- message transport protocol service
- messenger service
- meteorological aids service
- Microsoft consulting service
- mobile radio service
- mobile service
- multipoint communication service
- multipoint distribution service
- narrow-band advanced mobile phone service
- national data processing service
- national mobile radio service
- NetWare distributed print services
- network file service
- network information service
- network protocol service
- new technology directory service
- news service
- NT directory service
- on-line information service
- out of service
- personal communication service
- personal locator service
- personal-radio service
- plain old telephone service
- positioning service
- private-line service
- public radiocommunication service
- public telephone service
- radio information service
- radiodetermination service
- radiolocation service
- radionavigation satellite service
- radionavigation service
- redirection service
- remote computing service
- remote service
- rescue-and-recovery service
- resource administrative service
- running service
- satellite digital audio radio services
- security service
- short message service
- signaling service
- sound-program service
- standard positioning service
- standard-frequency service
- subscriber-based broadcast service
- switched multimegabit data service
- teleinformatic services
- telemetric service
- telephoto service
- teletypewriter-exchange service
- terminal service
- timed signal service
- toll service
- TWX service
- value-added service
- videophone service
- virtual channel service
- virtual terminal service
- visual-telephone service
- voice messaging service
- Web network file service
- wide area telephone service
- wire service
- wired subscription service
- wired videotex service
- wireless 911 service
- wireless communication service
- wireless data service