Wikipedia:Federal Standard 1037C terms/telephony terms

This is a list of telephony terms derived from the Glossary of Telecommunication Terms, published as Federal Standard 1037C. Please see the Federal Standard article for copyright-related issues, as not all parts of the source document are in the public domain.

ISDN

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access contentionB channelbearer servicebroadband ISDN (B-ISDN) – circuit transfer modecontributioncustomer accessD channeldemand servicedigital subscriber line (DSL) – distributiondistribution serviceeventframefunctional signalingH channelhybrid interface structureinteractive serviceinterface functionalityinterface payloadISDNlabeled channellabeled interface structurelabeled multiplexinglabeled statistical channelLAP-Dmessaging servicenetwork element (NE) – network terminationnetwork termination 1 (NT1) – network termination 2 (NT2) – positioned channelpost-production processingprimary rate interface (PRI) – reference configurationreference pointreserved circuit serviceretrieval serviceR interfaceSignaling System No. 7 (SS7) – S interfacesynchronous transfer modeteleaction serviceterminal adapterT-interfacetransfer modetransit delayT reference pointU interfaceV reference pointwide area network (WAN)

Switching

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analog switchbroadband exchange (BEX) – burst switchingcall progress signalcircuit-switched data transmission servicecircuit switchingclass of officecommon controlcongestioncrosspointdigital switchingdistributed switchingelectronic switching system (ESS) – fast packet switchingfirst-in last-out (FIFO) – interrupted continuous wave (ICW) – joint multichannel trunking and switching systemmessage switchingmultiple accessmultiple homingnonblocking switchoff-hook signalone-way trunkpilot-make-busy circuit (PMB) – private exchange (PX) – public switched network (PSN) – public switched NS/EP telecommunications servicespublic switched telephone network (PSTN) – queuing delayrotary huntingseizingsemiautomatic switching systemsignal transfer point (STP) – space-division switchingspill forwardsplit homingstep-by-step switching system (SXS) – switchswitchboardswitch busy hourswitchingsynchronous transfer modeTactical Automatic Digital Switching System (TADSS) – thin-film optical switchthree-way callingtime-division switchingtrunkwink pulsing

Telephony hardware

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acoustic coupleraerial cableaerial insertappliquecentral office (C.O.) – combined distribution frame (CDF) – common batteryconditioned loopconnecting arrangementcord circuitcord lampcordless switchboardcrossbar switchcross-connectioncross-office trunkcustomer office terminal (COT) – customer service unit (CSU) – dial switching equipmentdigital access and cross-connect system (DACS) – digital circuit patch baydigital loop carrier (DLC) – digital primary patch baydigital switchdistribution framedropDSA boardD-type patch bayelectrically powered telephoneembedded base equipmentembedded customer-premises equipmentend instrumentend officeentrance facilityentrance pointentrance roomequal-level patch bayequipment roomequipment sideexchangeexchange facilitiesextension bellfour-wire repeatergrandfathered systemsgrandfathered terminal equipmentgroup distribution frame (GDF) – high-frequency distribution frame (HFDF) – individual lineinside plantintegrated stationintercomintermediate distribution frame (IDF) – interoffice trunkinterposition trunkinterswitch trunkintertoll trunkintraoffice trunkkey setkey telephone system (KTS) – K-type patch baylimited-protection voice equipmentline sidelocal batterylocal exchange looplocal sidemain distribution frame (MDF) – main stationmaster frequency generatorMM patch baynew customer premises equipmentoffice classificationoff-premises extension (OPX) – on-premises extensionorderwire multiplexoutside plantpatch and test facility (PTF) – plantprivate exchange (PX) – private lineprorationprotected distribution system (PDS) – public switched telephone network (PSTN) – rackrepertory dialerrotary dialSECORDsemiautomatic switching systemsignal centersound-powered telephonespecial grade access linesplice closurestation batterySTUsupergroup distribution frame (SGDF) – switchboardswitched circuitswitched looptandem centertandem officetechnical control facility (TCF) – Telecommunications Device for the Deaf (TDD) – telecommunications facilitiestelephoneterminal equipmentthrough-group equipmentthrough-supergroup equipmenttie trunktranslatortributary officevideophonevodasvogadvoice frequency primary patch bay (VF)