T TCH/F T TCH/F28.8 T Transparent T Type T transparent TA Terminal Adaptor TA Timing Advance TA Tracking Area TA timing advance TA tracking areas TAB Transceiver Array Boundary TABDT Terminal Alerting before data transmission TAC Time Alignment Command TAC Tracking Area Code TAC Type Allocation Code TAC Type Approval Code TAD Traffic Aggregate Description TAD Traffic Aggregation Description TAE Time Alignment Error TAE Time Alignment Extension TAE Time alignment error TAE Timing Alignment Error TAE time alignment error TAF Terminal Adaptation Function TAF Terminal Adaptation Functions TAF Time Alignment Flag TAG timing advance group TAI Tracking Area Identity TAR Timing Advance Request TAU Tracking Area Update TB Top-Bottom TB Transport Block TBC Token bucket counter TBCP Talk Burst Control Protocol TBF Temporary Block Flow TBS Terrestrial Beacon System TBS Terrestrial Beacon Systems TBS Terrestrial Beaconing Systems TBS Terrestrial beacon system TBS Terrestrial beacon systems TBS Ticket-Based System TBS Transmit Block Size TBS Transport Block Size TBS terrestrial beacon system TBS transport block size TC Test Configurations TC Test Control TC Transaction Capabilities TC Transition Coding TC Transmission Convergence TC1 Test Case 1 TC2 Test Case 2 TC3 Test Case 3 TCAP Transaction Capabilities Application Part TCE Trace Collection Entity TCI Tag Control Information TCP Transmission Control Protocol TCPA Telephone Consumer Protection Act TCQ Trellis Coded Quantization TCQ Trellis Coding Quantization TCQI Traffic Channel Quality Indicator TCS Terminating call screening TCVQ Trellis coded vector quantization TD Timing Deviation TD Transient Detector TDA Transactions Dispersion Analytics TDD Task Description Document TDD Time Division Duplex TDF Traffic Detection Function TDI Tear down indicator TDL Tapped Delay Line TDM Time Division Multiplexing TDMA time division multiple access TDP Trigger Detection Points TDP-R Trigger Detection Point -Request TDR Time Dependent Routing TE Terminal Equipment TEA Trigger-Establishment-Answer TEC Temporal Envelope Coding TEI Terminal Endpoint Identifier TEK Traffic-Encrypting Key TER Trigger-Establishment-Request TF Tonality Features TF Transparent Forwarding TF Transport Format TF Triggering Function TF Type Field TFC Transport Format Combination TFCI Transport Format Combination Identifier TFCI Transport Format Combination Indicator TFCS Transport Format Combination Set TFH Total Frequency Hopping TFI Temporary Flow Identity TFI Transport Format Indicator TFI Transport Frame Index TFO Tandem Free Operation TFRC TCP Friendly Rate Control TFRI Transport Format Resource Indicator TFS Transport Format Set TFT Traffic Flow Template TFTP Trivial File Transfer Protocol TG Time group TGD Transmission Gap Distance TGI temporary group identity TGK TEK Generation Key TGL Transmit Gap Length TI TLLI Indicator TI Test Interface TI Transaction Identifier TIP Terminating Identification Presentation TIP Terminating Identity Presentation TIP Terminating identification presentation TIP Termination Identification Presentation TIP/TIR Terminating Identification Presentation /Terminating Identification Restriction TIR Target Integrity Risk TIR Terminating Identification Restriction TIR Terminating Identity Restriction TIR Terminating identification restriction TIR Termination Identification Restriction TIS Tool Interface Standard TKCS Terminating Key Code Screening TKIP Temporal Key Integrity Protocol TL test limit TLCI Transcoding-Less Codec Interworking TLLI Temporary Link Layer Identifier TLLI Temporary Logical Link Identifier TLLI Temporary Logical Link Identity TLPR Tank Level Probing Radar TLR Terminal location registration TLS Transport Layer Security TLV Tag Length Value TLV Type Length Value TM Talk Mode TM Transmission mode TM Transparent mode TMA Tower-Mounted Amplifier TMGI Temporary Mobile Group Identity TMS Traffic Management Server TMSI Temporary Mobile Subscriber Identities TMSI Temporary Mobile Subscriber Identity TN Timeslot Number TN Transport Network TN timeslot number TNA TSSF-Notification-Answer TNA Trusted Node Authentication TNC Trusted Network Connect TNL Transport Network Layer TNL Transport Network Level TNR TSSF-Notification-Request TNS Temporal Noise Shaping TO Tester Object TO Time offset TOA Time of Arrival TOI Transport Object Id TOI Transport Object Identifier TOM Telecom Operations Map TOM Tunnelling of Messages TOS Type of Service TOT Time Offset Table TP Terminal Portability TP Test Purpose TP Transmission Point TPC Transmit Power Control TPDU transfer protocol data unit TPSK Tone-Phase-Shift-Keying TPT TDO Parameters Table TQI Temporary Queueing Identifier TR Technical Report TR Trace Reference TRI Transmit Rank indicator TRMS total radiated MIMO sensitivity TRNG true random number generator TRP Total Radiated Power TRP Transmission-Reception Point TRP total radiated power TRS Total Radiated Sensitivity TRS Total Received Sensitivity TS Technical Specification TS Technical Standard TS Telecommunication Standard TSA TDF-Session-Answer TSC Time Sensitive Communication TSC Time Sensitive Communications TSC Training Sequence Code TSC time sensitive communication TSC training sequence Code TSCAI Time Sensitive Communication Assistance Information TSCM Transparent Single-Connection mode TSF TOE Security Functionality TSG Technical Specification Group TSI Transmission Session Identifier TSI Transport Session Id TSI Transport Session Identifier TSM tactile service manager TSN Time Sensitive Networking TSN Time-Sensitive Networking TSN Transmission Sequence Number TSR TDF-Session-Request TSSF Traffic Steering Support Function TSTD Time Switched Transmit Diversity TT Test Tolerance TTA Time-to-Alert TTBS Text to be signed TTFF Time to First Fix TTG Tunnel Terminating Gateway TTI Transmission Time Interval TTL Time to live TTT Time To Trigger TTT Time-to-trigger TU Typical Urban TURN Traversal Using Relays NAT TWAG Trusted WLAN Access Gateway TWAN Trusted WLAN Access Network TWAP Trusted WLAN AAA Proxy TWAP Trusted WLAN Access Point TWIF Trusted WLAN Interworking Function