| \\ More than 3500 Telecom abbreviations maintained by Ioan (Nini) Indreias // 1 A B C D E F G H I J K L M N O P Q R S T U V W X Y All words | |
| T-1 | DS-1 digital system |
|---|---|
| T | Tip |
| TA | Terminal Adapter |
| TA | Terminal Adapter (ISDN) |
| TA | Timing Advance |
| TA | Timing Advance (GSM - UMTS) |
| TAC | Cisco Technical Assistance Center |
| TAC | Terminal Access Circuit |
| TACACS+ | Terminal Access Controller Access Control System Plus |
| TACACS+ | Terminal Access Controller Access Control System Plus (Cisco) |
| TACD | Telephone Area Code Directory |
| TACS | Total Access Communications System |
| TAF | Terminal Adaption Function (GSM) |
| TAG | Technical Advisory Group (IEEE 802) |
| TAG | Trunk Assignment Group |
| TALI | Transport Adapter Layer Interface |
| TAM | Timer Active Monitor |
| TAN | Technician Access Network |
| TAO | Telephony Access Object |
| TAP | Test Access Path |
| TAP | Transferred Account Procedure |
| TAPI | (Microsoft's) Telephone/Telephony Application Programming Interface |
| TAPI | Telephone/Telephony API (Microsoft) |
| TAPI | Telephony API |
| TASI | Time Assigned Speech Interpolation |
| TAT | Terminating Attempt Trigger |
| TAT | TransATlantic |
| TAU | Test Access Unit |
| TAU | Time Assignment Unit |
| TAXI | Transparent Asynchronous Transmitter/Receiver Interface (Physical Layer) |
| TB | Transparent Bridging |
| TBD | To Be Determined |
| TBE | Toll Billing Exception |
| TBR | Technical Basis for Regulation |
| TC | Telecommunications Closet |
| TC | Terminating Channel |
| TC | Textual Convention (GSM - UMTS) |
| TC | Transaction Capabilities |
| TC | Transmission Control |
| TC | Transmission Convergence |
| TC | Transmitted Signal Element Timing (DCE Source, EIA-232) |
| TC | Transport Connection |
| TCA | Threshold Crossing Alert |
| TCAM | Telecommunications Access Method (SNA) |
| TCAM | Telecommunications Communication Access Method |
| TCAP | Transaction Capabilities Application Part |
| TCAP | Transaction Capabilities Application Part (SS7) |
| TCH | Traffic Channel (GSM) |
| TCI | Telephone Company Identification |
| TCIF | Telecommunications Industry Forum |
| Tcl | Tool Command Language |
| TCM | Tandem Connection Maintenance |
| TCM | Time Compression Multiplexing |
| TCM | Trellis Coding Modulation |
| TCN | Topology Change Notification |
| TCP/IP | Transmission Control Protocol/Internet Protocol |
| TCP | Transfer Call Period |
| TCP | Transmission Control Protocol (IETF) |
| TCP | Transport Control Protocol |
| TCU | Telecommunications Control Unit (SNA) |
| TCU | Trunk Coupling Unit |
| TD-CDMA | Time Division CDMA |
| TD-SCDMA | Time Division-Synchronous CDMA |
| TD | Transmit Data |
| TD | Transmitted Data (EIA-232-E) |
| TDC | Terrestial Data Circuit |
| TDCC | Transportation Data Coordination Committee |
| TDD | Time Division Duplex(ing) |
| TDI | Tie Down Information |
| TDM | Technical Development Manager |
| TDM | Time Division Multiplexing |
| TDMA | Time Division Multiple Access |
| TDMS | Time Division Multiplexing System |
| TDOA | Time Difference Of Arrival |
| TDP | Trigger Detection Point |
| TDR | Time Domain Reflectometer |
| TDX | Time Delay to X |
| TDY | TIme Delay to Y |
| TE1 | Terminal Equipment type 1 (ISDN capable) |
| TE2 | Terminal Equipment type 2 (non-ISDN) |
| TE | Terminal Equipment (ISDN) |
| TEI | Terminal Endpoint Identifier (LAPD) |
| TELNET | Terminal emulation protocol & application |
| TELRIC | Total Element Long-Run Incremental Cost |
| TEMPEST | Transient ElectroMagnetic Pulse Emanation STandard |
| TETRA | Terrestrial Trunked Radio |
| TFN | Toll Free Number |
| TFO | Tandem Free Operation |
| TFS | Toll Free Service |
| TFT | Thin Film Transistor |
| TFTP | Trivial File Transfer Protocol |
| TFTS | Terrestrial Flight Telephone System |
| TG | Technical Group |
| TG | Trunk Group |
| TGW | Trunking GateWay |
| TH | Transmission Header |
| THL | Trans-Hybrid Loss |
| THT | Token Holding Timer |
| THT | Token Holding Timer (FDDI, Token Ring) |
| TI | Transaction Identifier |
| TIA | Telecommunications Industry Advisory |
| TIA | Telecommunications Industry Association |
| TIC | Telephony Interface Control |
| TIE | Time Interval Error |
| TIF | Transaction Interface Module (SZ) |
| TIFF | Tagged-Image File Format |
| TIMS | Transmission Impairement Measuring Set |
| TIPHON | Telecommunications and Internet Protocol Harmonisation over Networks |
| TIRKS | Trunk Integrated Records Keeping System |
| TJ | Times Journal Publishing Company |
| TL1 | Transaction Language One |
| TLAP | TokenTalk Link Access Protocol (Apple) |
| TLB | Translation Lookaside Buffer |
| TLD | Transmission Level Point |
| TLH | Transport Layer Header |
| TLP | Transmission Level Point |
| TLPU | Telecommunications Line Protector Unit |
| TLS | Transparent LAN Service |
| TLV | Tag Length Value |
| TLWS | Trunk and Line Work Station |
| TM | Terminal Multiplexer |
| TMA | Trunk Module Analog |
| TMC | Telecom Media Card (HP) |
| TMC | Telecommunication Media Card |
| TMC | Time slot Management Channel |
| TMD | Trunk Module Digital |
| TMGB | Telecommunications Main Grounding Busbar |
| TMN | Telecommunication(s) Management Network |
| TMRA | Recommended Ambient Operating Temperature |
| TMS | Time-Multiplexed Switch |
| TMS | Transport Management System |
| TMSI | Temporary Mobile Subscriber Identity |
| TMSI | Temporary Mobile Subscriber Identity (GSM - UMTS) |
| TN | Telephone Number |
| TN | Time slot Number |
| TN | Transit Node |
| TNA | Telephone Number Assignment |
| TNS | Transit Network Selection |
| TOA | Time Of Arrival |
| TOA | Type of Address (X.25) |
| TOD | Time Of Day |
| TOH | Transport Overhead (SONET) |
| TOM | Telecom Operations Map |
| TOP | Technical and Office Protocol (Boeing) |
| TOPS | Traffic Operator Position System |
| TOS | Testing Operation System |
| ToS | Type of Service |
| TOS | Type of Service (IP) |
| TP-PMD | Twisted Pair Physical Medium Dependent (FDDI) |
| TP | Toll Prefix |
| TP | Transaction Processing |
| TP | Transport Protocol (ISO) |
| TP | Twisted Pair |
| TPAD | Terminal Packet Assembler/Disassembler (BISYNC-BPAD) |
| TPAU | Twisted Pair Attachment Unit |
| TPC | Terminating Point Code |
| TPCC | TransPort Cross Connect |
| TPDU | Transport Protocol Data Unit |
| TPG | Terminating Point Group |
| TPI | Tip-Party Identification |
| TPKT | TCP Packets |
| TQM | Total Quality Management |
| TR | Technical Requirements |
| TR | Token Ring |
| TR | TransmitteR |
| TRA | Traffic Restart Allowed |
| TRA | Traffic Routing Administration |
| TRAU | Transcoder Rate Adapter Unit |
| TRAU | Transcoding Rate and Adaption Unit |
| TRD | Technical Requirements Document |
| TRIP | Token Ring Interface Processor (Cisco) |
| TRS | Telecommunications Relay Services |
| TRSS | Token Ring Subsystem |
| TRT | Token Rotation Time |
| TRT | Token Rotation Timer (FDDI, Token Ring) |
| TRU | Transmit/Receive Unit |
| TRW | Traffic Restart Waiting |
| TRX | Tandem Repeater Exchange |
| TRX | Transmitter/receiver (transceiver) |
| TS | Tandem Switching |
| TS | Terminal Server |
| TS | Time Slot |
| TSAP | Transport Service Access Point |
| TSAPI | (Novell's) Telephone/Telephony Application Programming Interface |
| TSAPI | Telephone/Telephony API (Novell) |
| TSAT | T-1 rate Small Aperture Terminal |
| TSC | Telecom Signaling Card (HP) |
| TSC | Telecommunication Signaling Card |
| TSC | Test System Controller |
| TSC | Training Sequence Code (GSM) |
| TSDU | Transport Service Data Unit |
| TSG | Technology Services Group |
| TSGR | Transport System Generic Requirements |
| TSI | Time Slot Interchange |
| TSID | Test Signal Identification |
| TSM | Terminal Server Manager |
| TSM | Time Switch Module |
| TSM | Timer Standby Monitor |
| TSO | Terminating Screening Office |
| TSOP | Thin Small Outline Package |
| TSP | Tandem Switch Provider |
| TSPS | Traffic Service Position System |
| TSR | Terabit Switch Router |
| TSR | Terminate and Stay Resident (program) |
| TSR | Terminate and Stay Resident programs |
| TSS | Telecommunication Standardization Sector (ITU-T) |
| TSS | Trunk and Signaling Subsystem |
| TSS | Trunk Servicing System |
| TSSI | Time Slot Sequence Integrity |
| TST | Tandem Switched Transport |
| TST | Time-Space-Time (Switching Process) |
| TSTS | Time-Space-Time-Space |
| TSU | Telecommunication Signaling Unit |
| TT | Text Telephone |
| TT | Touch Tone |
| TT | Transport Termination |
| TTC | Tandem Transit Charge |
| TTD | Temporary Text Delay (BISYNC) |
| TTL | Time To Live |
| TTL | Transistor-Transistor Logic |
| TTP | Timed Token Protocol (FDDI) |
| TTP | Trusted Third Party |
| TTRT | Target Token Rotation Time |
| TTRT | Target Token-Rotation Time (FDDI) |
| TTS | Text To Speech |
| TTU | Tandem T-1 Unit |
| TU | Trunk Unit |
| TUI | Telephone User Interface |
| TUP | Telephone User Part (SS7) |
| TUR | Traffic Usage Recorder |
| TURN | Toward Utility Rate Normalization |
| TVRO | Television Receive Only |
| TVRO | Television Receive OnlyBSS |
| TW | Transmitter Window |
| TWA | Two-Way Alternate (HDLC) |
| TWS | Two-Way Simultaneous (HDLC) |
| TX | Transmit |
| SMBZ - SaMBoZaur - test for propagation of define:
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