TA

Terminal Adapter (org/itu/isdn)

TABD

The Transatlantic Business Dialogue (org)

TAI

International Atomic Time (time)

TANJ

There Ain’t No Justice (jargon)

TANSTAAFL

There Ain’t No Such Thing As A Free Lunch (jargon)

TAR

Tape ARchiver (ict/os/unix/commands)

TAS

Tag Abuse Syndrome (jargon)

TASM

Turbo ASseMbler (ict/lang/assembler)

TBD

To Be Defined (jargon)

TBR

Technical Basis for Regulations (org/itu/isdn)

TBRPF

Topology dissemination Based on Reverse-Path Forwarding (org/ietf)

TC

Trust Center (ict/security)

TC

Technical Committee (org/ifip)

TC

Technical Committee (org/iso)

TC-6

IFIP Technical Committee 6 (org/ifip)

TCD

Trinity College Dublin (edu/ie)

TCF

Telecommunications Carriers' Forum (org)

TCG

Trusted Computing Group (org)

TCI

Test Cell Input (org/itu/atm)

TCO

Total Cost of Ownership (biz)

TCO

Test Cell Output (org/itu/atm)

TCP

Tape Carrier Package (ict/comp/cpu)

TCP

Transmission Control Protocol (org/ietf/ip)

TCQ

Tagged Command Queueing (ict/comp/hdd/scsi)

TCS

Transmission Convergence Sublayer (org/itu/atm)

TCSH

Trustedi C SHell (ict/os/unix/commands)

TD

Transmit Data (ict/device/modem)

TDF

Title Definition Format (ict/comp/dvd)

TDIA

Telecommunication Development Industry Alliance (org)

TDP

Thermal Design Power (ict/comp/cpu)

TDS

TeX Directory Structure (ict/lang/tex)

TE

Traffic Engineering (org/ietf)

TE

Terminal Endpoint (org/itu/isdn)

TEA

Tiny Encryption Algorithm (ict/security)

TELNET

TELephone NETwork (ict/os/unix)

TELNETD

Telnet DAEMON (ict/os/unix)

TEN

TransEuropean Networks (ict/net)

TERMCAP

TERMinal CAPability (ict/os/unix)

TERMINFO

TERMinal INFOrmation (ict/os/unix)

TESLA

Timed Efficient Stream Loss-tolerant Authentication (org/ietf)

TESS

The Exponential Security System (org/ietf)

TEx

Task Executor (com/se/ericsson/nm-lab/upt/upee)

TF

Trace Flag (ict/lang/assembler)

TFLOPS

Tera FLoating-point Operations Per Second (ict/comp/cpu)

TFRP

TCP Friendly Rate Control (org/ietf/ip)

TFTP

Trivial File Transfer Protocol (org/ietf/ip)

THAMA

Trident Hardware-Assisted MPEG-2/AC-3 (ict/comp/dvd)

THT

Token Holding Timer (org/ansi/fddi)

Thu

Thursday (time/dow)

TI

Texas Instruments (com/us)

TIA

Thanks In Advance (jargon)

TIA

Telecommunications Industry Association (org)

TID

Telefónica I+D (com/es)

TID

Transaction Identifier (ict)

TIES

Time Independent Escape Sequence (ict/device/modem)

TIM

Thermal Interface Material (ict/comp/cpu)

TIMTOWTDI

There Is More Than One Way To Do It (jargon)

TINA

Telecommunication Information Networking Architecture (org/tina-c)

TINA-C

Telecommunication Information Networking Architecture Consortium (org)

TINC

There Is No Cabal! (jargon)

TINOS

The InterNet Operating System (org/psoc)

TLA

Three Letter Acronym (jargon)

TLB

Translation Lookaside Buffer (ict/comp/cpu)

TLD

Top Level Domain (org/ietf/dns)

TLER

Time Limited Error Recovery (ict/comp/hdd/raid)

TLP

Thread Level Parallelism (ict/comp/cpu)

TLS

Transport Layer Security (ict/security)

TLS

Transparent LAN Service (org/ietf/ppvpn)

TM Forum

TeleManagement Forum (org)

TMI

Too Much Information (jargon)

TMIA

The Messaging Industry Association (org)

TMN

Telecommunication Management Network (org/itu/m3000)

TMO

Telecom Management and Operations Committee (org/atis)

TMTOWTDI

There’s More Than One Way To Do It (jargon)

TMUX

Transport MUltipleXing protocol (org/ietf)

TNA

Technology Neutral Architecture (org/tm-forum)

TNTC

Too Numerous To Count (jargon)

TOFU

Text Over, Full-quote Under (jargon)

TOM

Telecom Operations Map (org/tm-forum)

ToR

Top of Rack (ict/cloud)

TOT

Totally Off-Topic (jargon)

TP

Transaction Processing (ict)

TP-PMD

Twisted Pair Physical layer Medium Dependent (org/ansi/fddi)

TP0

Transport Protocol class 0 (org/itu/x200)

TP4

Transport Protocol class 4 (org/itu/x200)

TPDDI

Twisted Pair Distributed Data Interface (org/ansi/fddi)

TPDU

Transport Protocol Data Unit (org/itu/x200)

TPE

Twisted Pair Ethernet (org/ieee/ethernet)

TPI

Tracks Per Inch (ict/comp/hdd)

Tpl

Template (com/se/ericsson/nm-lab/upt)

TQ

Tagged Queuing (ict/comp/hdd/scsi)

TR

Transformation Rule (com/se/ericsson/nm-lab/upt)

TR

Task Register (ict/lang/assembler)

TRIP

Telephony Routing over IP (org/ietf/ip)

TROFF

Typesetter New Run-OFF (ict/os/unix/commands)

TRT

The Right Thing (jargon)

TRT

Token Rotation Timer (org/ansi/fddi)

TS

Task Selector (com/se/ericsson/nm-lab/upt)

TSAP

Transport Service Access Point (org/itu/x200)

TSDU

Transport Service Data Unit (org/itu/x200)

TSSDC

Task State Segment Descriptor Cache (ict/comp/cpu)

TSSG

Telecommunications Software & Systems Group (edu/ie/wit)

TTA

Telecommunications Technology Association (org)

TTC

Telecommunication Technology Committee (org)

TTCN

Tree and Tabular Combined Notation (org/itu/x200)

TTCN-2

TTCN v2 (org/itu/x200)

TTFN

Ta-Ta For Now (jargon)

TTI

Transmission Time Interval (org/3gpp)

TTL

Time To Live (org/ietf)

TTM

Time To Market (jargon)

TTP

Trusted Third Parties (ict/security)

TTRP

Time Token Rotation Protocol (org/ansi/fddi)

TTRT

Target Token Rotation Time (org/ansi/fddi)

TTS

Text To Speech (ict/sound)

TUB

Technische Universität Berlin (edu/de)

TUBA

TCP and UDP with Bigger Addresses (org/ietf/ip)

TUC

Total User Cell count (org/itu/atm)

TUCD

Total User Cell Difference (org/itu/atm)

Tue

Tuesday (time/dow)

TUG

TeX Users Group (org)

TUM

Technische Universität München (edu/de)

TUP

Telephone User Path (org/itu/isdn)

TURTLE

Terse RDF Triple Language (org/w3c)

TV

Television (ict/device)

TWINKLE

The Weizman INstitute Key Locating Engine (ict/security)

TXT-RR

TXT Resource Record (org/ietf)

TZ

Time Zone (time)