T: Tera
T: Tip
T&C: Test and Checkout
T-SQL: Transact-Structured Query Language
TA: Terminal Adapter
TA: Transfer Allowed
TA: Transferred Account
TAA: Technical Assistance Agreement
TAAS: Trunk Answer from Any Station
TAB: Technical Advisory Board
TAC: Technical Assistance Center
TAC: Telnet Access Card
TAC: Terminal Access Circuit
TAC: Terminal Access Controller
TACACS: Terminal Access Controller Access Control System
TACACS+: Terminal Access Controller Access Control System Plus
TACS: Total Access Communications System
TAD: Telephone Answering Device
TADP: Tests and Analyses of Data Protocols
TADXF: The Arrested Development X-Files
TAG: Technical Advisory Group
TALC: Technology Association Leaders Council
TAM: Telephone Answering Machine
TAME: Tertiary amyl methyl ether
TAN: Technical Assistance Center
TAN: Telecomm And Networks
TANSTAAFL: There Ain't No Such Thing As A Free Lunch
TAO: Track At Once
TAP: Technical Assistance Program
TAP: Technological Assistance Program
TAP: Telephone Assistance Plan
TAP: Toshiba Access Panel
TAPI: Telephony Application Programming Interface
TAPS: Trans-Alaska Pipeline System
TARR: Test Action Request Receiver
TAS: Telephone Answering Service
TAS: The Apostle Syndicate
TASC: Technical Assistance Service Center
TASC: Telecommunications Alarm Surveillance and Control
TASI: Time Assignment Speech Interpolation