IT Terms tagged with 'Communication'
- 1000Base-T
- 100BASE-T
- 133T Speak
- 8b/10b Encoding
- 9P
- A-list Blogger
- Access Port
- Acoustic Coupler
- Adaptive Differential Pulse Code Modulation (ADPCM)
- Adaptive Route
- Add/Drop Multiplexer (ADM)
- Address Resolution
- Address Resolution Protocol (ARP)
- Address Resolution Protocol Spoofing (ARP Spoofing)
- Administrative Domain (AD)
- Advanced Encryption Standard (AES)
- Advanced Metering Infrastructure (AMI)
- Advanced Microcontroller Bus Architecture (AMBA)
- Advanced Program-to-Program Communication (APPC)
- Air Gap
- All-In-One Printer
- Analog Data
- Analog Roaming
- Andrew File System (AFS)
- Annoybot
- Anonymous Login
- Anonymous Post
- Antenna Array
- AppleTalk
- AppleTalk Address Resolution Protocol (AARP)
- AppleTalk Filing Protocol (AFP)
- Application Layer
- Application Sharing
- Area Border Router (ABR)
- Assisted GPS (A-GPS)
- Asynchronous Communication
- Asynchronous Data
- Asynchronous Groupware
- Attached Resource Computer Network (ARCNET)
- Attenuation
- Attenuation-to-Crosstalk Ratio (ACR)
- Authentication Center (AuC)
- Authorization
- Auto-Partitioning
- Automatic Call Distributor (ACD)
- Automatic Location Identification (ALI)
- Automatic Number Identification (ANI)
- Automatic Private IP Addressing (APIPA)
- Automatic Repeat reQuest (ARQ)
- Auxiliary Port (AUX)
- Backbone Router
- Band
- Band Pass Filter
- Bandwidth Allocation Protocol (BAP)
- Base Station (BS)
- Base Station Controller (BSC)
- Be Right Back (BRB)
- Bell 212A
- Bell Operating Company (BOC)
- Binary Digit (Bit)
- Bit Error Rate (BER)
- Bit Stuffing
- Blackberry Messenger (BBM)
- BlackBerry OS
- Blacklist
- Blogroll
- Blue Noise
- Bluetooth Universal Serial Bus (BT-USB)
- Bonjour
- Bootstrap Protocol (BOOTP)
- Border Gateway Protocol (BGP)
- Bozo Filter
- Bridge Protocol Data Unit (BPDU)
- Broadband
- Broadband Code Division Multiple Access (B-CDMA)
- Broadband Global Area Network (BGAN)
- Broadband Wireless Access (Wibro)
- Broadcast Address
- Broadcast Domain
- Broadcasting
- Bus Mastering
- Bus Topology
- Cable Jetting
- Call Forwarding
- Call Logging
- Caller ID Spoofing
- Caller Ringback Tone (RBT)
- CAN-SPAM Act
- Canonicalization
- Capacity
- Carnivore
- Carrier
- Carrier Sense Multiple Access With Collision Detection (CSMA/CD)
- Carrier Sense Multiple Access/with Collision Avoidance (CSMA/CA)
- Category 3 Cable (Cat 3 Cable)
- Category 4 Cable (Cat 4 Cable)
- Cell Broadcast (CB)
- Cell On Wheels (COW)
- Cell Phone Jammer
- Cell Relay
- Cell Tower
- Cells In Frames (CIF)
- Cellular
- Central Office Exchange Service (Centrex)
- Central Processing Unit (CPU) Socket (CPU Socket)
- Challenge Handshake Authentication Protocol (CHAP)
- Challenge-Response Authentication
- Change Management
- Channel Capacity
- Chat
- Check Digit
- Checksum
- Chunk
- Circuit-Level Gateway
- Cisco Discovery Protocol (CDP)
- Cisco IOS
- Cisco Network Admission Control (Cisco NAC)
- Cisco Unified Computing System (CUCS)
- Clamshell Mobile
- Class C Network
- Click-To-Callback
- Client-Server Model
- Closed User Group (CUG)
- Cloud Communications
- Coaxial Antenna
- Coaxial Cable
- Code Division Multiplexing (CDM)
- Coded Orthogonal Frequency Division Multiplexing (COFDM)
- Cognitive Network (CN)
- Cognitive Radio
- Cold Server
- Collision Avoidance
- Commercial Mobile Radio Services (CMRS)
- Common Address Redundancy Protocol (CARP)
- Common Carrier
- Common Short Code Administration (CSCA)
- Communication and Networking Riser (CNR)
- Communication Controller
- Communication Media
- Communication Software
- Communications Assistance For Law Enforcement Act (CALEA)
- Communications Over Internet Protocol (CoIP)
- Communications Satellite
- Communications Server
- Communications System
- Competitive Local Exchange Carrier (CLEC)
- Component Object Model+ (COM+)
- Computer Cluster
- Computer Network Technician
- Computer Telephony Integration (CTI)
- Computerized Bulletin Board System (CBBS)
- Conditional Access (CA)
- Congestion
- Connected Limited Device Configuration (CLDC)
- Connection-Oriented Protocol (COP)
- Connection-Oriented Service
- Connectionless Protocol
- Connectionless Service
- Converged Enhanced Ethernet (CEE)
- Customer Premises Equipment Device (CPE Device)
- Cyberduck
- Cyberpunk
- Cyberspace
- Cyclic Redundancy Check (CRC)
- Dancing Baby
- Dark Fiber
- DARPANET
- Data
- Data Access Arrangement (DAA)
- Data Card
- Data Communications (DC)
- Data Communications Equipment (DCE)
- Data Distribution Service (DDS)
- Data Encapsulation
- Data Integration Service
- Data Journalism
- Data Link Control (DLC)
- Data Link Layer
- Data Loss Prevention (DLP)
- Data Terminal Equipment (DTE)
- Data Transmission
- Datagram
- DB-15
- DB-50
- DB-68
- DB-9
- Dedicated Access Line
- Dedicated Line
- Deep Dialing
- Deep Packet Inspection (DPI)
- Defense Advanced Research Projects Agency (DARPA)
- Defense Message System (DMS)
- Demand Assigned Multiple Access (DAMA)
- Demultiplex (DEMUX)
- Dense Wavelength Division Multiplexing (DWDM)
- Designated Router
- Desktop as a Service (DaaS)
- Desktop Video Conferencing (DTVC)
- Dial-on-Demand Routing (DDR)
- Dial-Up Connection
- Digital Camera
- Digital Enhanced Cordless Telecommunications (DECT)
- Digital Signage
- Digital Signature
- Digital Simultaneous Voice and Data (DSVD)
- Digital Subscriber Line (DSL)
- Digital Switch
- Digital Video Broadcasting - Handheld (DVB-H)
- Digital Video Broadcasting - Terrestrial (DVB-T)
- Digital Video Broadcasting-Satellite Second Generation (DVB-S2)
- Digital Visual Interface (DVI)
- Digital-to-Analog Converter (DAC)
- Direct Inward Dialing
- Direct Sequence Spread Spectrum (DSSS)
- Directed Speech Recognition
- Disconnect Anxiety
- Discoverable Mode
- Discretionary Access Control (DAC)
- Disk-to-Disk (D2D)
- Disposable Email
- Disruption-Tolerant Network (DTN)
- Distributed Antenna System (DAS)
- Distributed File System (DFS)
- Distributed Search
- DMCA 1201
- DNS Whitelist
- Domain Controller (DC)
- Domain Name
- Domain Name System (DNS)
- Domain Name System Based List (DNSBL)
- Doppler Effect
- Dual Band
- Dual-Mode Device
- Dual-Ring Topology
- Dual-Tone Multifrequency (DTMF)
- Dumb Network
- Duplex
- Duplexer
- Dynamic Host Configuration Protocol (DHCP)
- Dynamic Smart Cooling
- Dynamic Virtual Private Network (DVPN)
- E-Speak
- Echo Cancellation
- eDonkey Network (eD2k)
- Eight-to-Fourteen Modulation (EFM)
- Electromagnetic Field (EMF)
- Electronic Card (e-Card)
- Electronic Discovery Reference Model (EDRM)
- Electronic Ink (E Ink)
- Email Harvesting
- Email Hoax
- Email Rage
- Email Signature
- Email Thread
- Engineer-to-Order Enterprise Resource Planning (ETO ERP)
- Enhanced Interior Gateway Routing Protocol (EIGRP)
- Enhanced Messaging Service (EMS)
- Enterprise 2.0
- Enterprise Collaboration System (ECS)
- Enterprise Digital Assistant (EDA)
- Enterprise Message Exchange (EMX)
- Enterprise Messaging System (EMS)
- Enterprise Portal Software (EPS)
- Enterprise Private Network
- Erbium-Doped Fiber Amplifier (EDFA)
- Eris Free Network (EFNet)
- Error Checking and Correction
- Error Control (EC)
- Error Correction
- Error Detection
- EtherLoop
- Ethernet
- Ethernet Industrial Protocol (Ethernet/IP)
- Ethernet to Fiber
- European Telecommunications Standards Institute (ETSI)
- Even Parity
- Event-Stream Processing (ESP)
- Event-Triggered Email
- Evolution-Data Optimized (EV-DO)
- Evolved Packet Core (EPC)
- Expansion Card
- Extensible Authentication Protocol (EAP)
- Extranet
- Extremely Low Frequency (ELF)
- FaceTime
- Facsimile (Fax)
- Facsimile Machine (Fax Machine)
- Fail
- Farming
- Fast Infoset (FI)
- Fax Modem
- Fax Server
- Feature Group D (FGD)
- Federal Communications Commission (FCC)
- Feed Line
- Femtocell
- Fiber Bragg Grating (FBG)
- Fiber Distributed Data Interface (FDDI)
- Fiber Laser
- Fiber Pigtail
- Fiber to the Home (FTTH)
- Fiber-Optic Service (FiOS)
- File Area Network (FAN)
- Financial Information Exchange (FIX)
- Fixed Routing
- Fixed Wireless Access (FWA)
- Flash Mob
- Flight Mode
- Flooding
- Flow Control
- Flowchart
- FON Map
- FON Spot
- Foneros
- Forking Proxy Server
- Forward (FW)
- Forward Error Correction (FEC)
- Fourier Series
- Fragmentation
- Frame Check Sequence
- Frame Relay
- Frankenpine
- Fraud over Internet Protocol (FoIP)
- Free Space Optics
- Freedom of Information
- Freedom Of Information Act (FOIA)
- Frequency Division Duplex (FDD)
- Frequency Hopping - Code Division Multiple Access (FH-CDMA)
- Frequency Hopping Spread Spectrum (FHSS)
- Frequency Modulation (FM)
- Frequency Modulation Synthesis (FM Synthesis)
- Friend-To-Friend (F2F)
- Full Duplex (FDx)
- G.721
- G.723
- G.726
- G.727
- G.728
- Gatekeeper Transaction Message Protocol (GKTMP)
- Generic Access Network (GAN)
- Geostationary Orbit
- Geosynchronous Satellite
- Gigabit Ethernet (GbE)
- Global Area Network (GAN)
- Global Internet Exchange (GIX)
- Global Navigation Satellite System (GNSS)
- Global System for Mobile Communications (GSM)
- Glue Language
- GNUnet
- Google Hangouts
- Google Phone
- Google Talk
- Graduated Security
- Gray Noise
- Graynet
- Ground-Plane Antenna
- Group 4 Protocols
- Groupware
- Half Duplex (HDX)
- Hamming Code
- Handheld Transceiver (HT)
- Handoff
- Handover (HO)
- Handset
- Handshaking
- Hardening
- Hardware Handshaking
- Harmonic
- Hashing
- Hayes-Compatible Modem
- Headend
- Height Above Average Terrain (HAAT)
- Helical Antenna
- High Frequency (HF)
- High-Level Data Link Control (HDLC)
- High-Performance Radio Local Area Network (HIPERLAN)
- Host Name
- Host-Based Modem
- Hosts File
- Huffman Coding
- Hybrid Unified Communications and Collaboration (Hybrid UCC)
- Hypertext Transfer Protocol (HTTP)
- I-Mode
- I2P
- Identification, Friend Or Foe (IFF)
- IEEE 1284 Parallel Interface Standard
- IEEE 488 (GPIB)
- IEEE 802.11
- IEEE 802.11d
- IEEE 802.11e
- IEEE 802.11i
- IEEE 802.11j
- IEEE 802.11k
- In-Vehicle Infotainment (IVI)
- Industrial, Scientific and Medical Radio Band (ISM Band)
- Information and Communications Technology (ICT)
- Information Architecture (IA)
- Information Systems or Information Services (IS)
- Infrared (IR)
- Infrared Light Emitting Diode (IRLED)
- Input/Output Device (I/O Device)
- Integrated Digital Enhanced Network (iDEN)
- Integrated Financial Management System (IFMS)
- Integrated Marketing Communications (IMC)
- Integrated Receiver/Decoder (IRD)
- Integration-Centric Business Process Management Suite (IC-BPMS)
- Intellectual Property (IP)
- Intelligent Network Application Part (INAP)
- Interactivity
- Intercast
- Interconnection Agreement
- Interleaving
- Internal Border Gateway Protocol (IBGP)
- International Mobile Equipment Identity (IMEI)
- International Mobile Subscriber Identity (IMSI)
- International Telecommunication Union (ITU)
- Internet
- Internet Control Message Protocol (ICMP)
- Internet Engineering Task Force (IETF)
- Internet Key Exchange (IKE)
- Internet Message Access Protocol (IMAP)
- Internet Network Operations Center (INOC)
- Internet Over Satellite
- Internet Protocol (IP)
- Internet Protocol Private Branch Exchange (IP PBX)
- Internet Protocol Telephony (IP Telephony)
- Internet Protocol Television (IPTV)
- Internet Protocol Version 6 (IPv6)
- Internet Society (ISOC)
- Internet Time
- Internet Transit
- Internet2
- Internetwork Packet Exchange/Sequenced Packet Exchange (IPX/SPX)
- Internetworking Device
- Interoperability
- Intranet Suite
- Intrusion Signature
- Inverse Multiplexer (IMUX)
- Inverted Network
- Ion
- IP Datacasting
- IP Multimedia Subsystem (IMS)
- iPhone 3G
- iPod
- Jammer
- Java Message Service (JMS)
- JenniCam
- Jitter (VoIP)
- Joe Job
- Kademlia (Kad)
- Keepalive
- Kerberos
- Kevin Mitnick
- Kurtz-Above Band (Ka-Band)
- Kurtz-Under Band (Ku-Band)
- L Band
- La Fonera
- Lag
- LAN Switching
- Laser Diode
- Last Mile Technology
- Layer 2 Tunneling Protocol (L2TP)
- Layer Two Forwarding (L2F)
- Leisure Diving
- Lightweight Directory Access Protocol (LDAP)
- Line of Sight (LoS)
- Link Aggregation (LAG)
- Link Control Protocol (LCP)
- Linkerati
- Live Video Chat
- Local Access and Transport Area (LATA)
- Local Area Network (LAN)
- Local Area Network (LAN) Emulation (LANE)
- Local Area Network Emulation (LANE)
- Local Area Transport (LAT)
- Local Multipoint Distribution Services (LMDS)
- LocalTalk
- Location Based Services (LBS)
- Location Dependent Services
- Logical Link Control (LLC)
- Logical Topology
- Logical Unit Number (LUN)
- Longitudinal Redundancy Check (LRC)
- Loop Capable Fabric Port (L_Port)
- Loopback Plug
- Loopback Test
- Low Earth Orbit (LEO)
- Low-Noise Amplifier (LNA)
- Low-Pass Filter
- Main Distribution Frame (MDF)
- Mean Opinion Score (MOS)
- Measured Telephone Service (MTS)
- Media
- Media Access Control Address (MAC Address)
- Medium Dependent Interface Crossover (MDIX)
- MERA VoIP Key System (MVKS)
- MERA VoIP Transit Softswitch (MVTS)
- Message Broker
- Message Digest
- Message Queuing Service
- Message Switching
- Methods for Testing and Specification (MTS)
- Metropolitan Area Network (MAN)
- Microcom Networking Protocol (MNP)
- Microsegmentation
- Microsoft Exchange
- Microsoft Network Access Protection (NAP)
- Minimum Point of Entry (MPOE)
- Mobile Application Service Provider (MASP)
- Mobile Centrex
- Mobile Earth Station (MES)
- Mobile Information Device Profile (MIDP)
- Mobile Internet Device (MID)
- Mobile IP
- Mobile Location Protocol (MLP)
- Mobile Marketing Association (MMA)
- Mobile Network Operator (MNO)
- Mobile Operating System (Mobile OS)
- Mobile Phone
- Mobile Phone Spam
- Mobile Search
- Mobile Station International Subscriber Directory Number (MSISDN)
- Mobile Switching Center (MSC)
- Mobile Virtual Network Enabler (MVNE)
- Mobile Virtual Network Operator (MVNO)
- Mobility Management
- Mobipocket Reader
- Modular Phone
- Modulation
- Morse Code
- Motorola Droid X
- MSN TV
- Multi Channel Television Sound (MTS)
- Multi-Mode Fiber
- Multiband Antenna
- Multicast
- Multicast Address
- Multicast Backbone (MBone)
- Multihomed
- Multimedia Home Platform (DVB-MHP or MHP)
- Multimedia Message Service (MMS)
- Multimedia Messaging Service (MMS)
- Multiple Access
- Multiple Access With Colision Avoidance (MACA)
- Multiple Channels Per Carrier (MCPC)
- Multiple Frequency-Shift Keying (MFSK)
- Multiple Points of Presence (MPOP)
- Multiplexer (MUX)
- Multiplexing
- Multiprotocol Over ATM (MPOA)
- Narrowcast
- Native Command Queuing (NCQ)
- Near Field Communication (NFC)
- Neighbor Discovery Protocol (NDP)
- Neo FreeRunner
- NetBIOS Extended User Interface (NetBEUI)
- NetBIOS Session Service (NBSS)
- Netbus
- NetMeeting
- Netware Core Protocol (NCP)
- NetWare Link (NWLink)
- Network Access Server (NAS)
- Network Address Translation (NAT)
- Network Addressable Unit (NAU)
- Network Architecture
- Network Based Application Recognition (NBAR)
- Network Bottleneck
- Network Convergence
- Network Driver Interface Specification (NDIS)
- Network File System (NFS)
- Network Identity (Network ID)
- Network Interface Card (NIC)
- Network Interface Device
- Network Layer
- Nimrod Routing Architecture
- Node
- Node Port (N_Port)
- Noise
- Noise Figure (NF)
- Non Return to Zero Inverted (NRZI)
- Non-Broadcast Multiple Access (NBMA)
- Non-Line Of Sight (NLOS)
- Nonrepudiation
- Nuker
- Null Character
- Nym Server
- Odd Parity
- Office of Cybersecurity and Communications (CS&C)
- Online Marketing
- Online Transaction Processing (OLTP)
- Open Financial Exchange (OFX)
- Open Relay
- Open Shortest Path First (OSPF)
- Open Systems Interconnection Model (OSI Model)
- Optical Burst Switching (OBS)
- Optical Fiber
- Optical Fiber Amplifier
- Optical Fiber Cable
- Optical Mesh Network (OMN)
- Optical Network
- Optical Power Meter (OPM)
- orkut
- Orthogonal Frequency Division Multiplexing (OFDM)
- Outbound Call Center
- Outsourced Product Development (OPD)
- Packet
- Packet Capture
- Packet Filtering
- Packet Switched Network (PSN)
- Parity Check
- Passive Reconnaissance
- Patch Antenna
- PCI Extended (PCI-X)
- Peer-to-Peer Architecture (P2P Architecture)
- Peering
- Peering Agreement
- Peripheral Component Interconnect Bus (PCI Bus)
- Permanently Assigned Multiple Access (PAMA)
- Personal Communications Service (PCS)
- Phase Shift
- Phase-Shift Keying (PSK)
- Phased Array
- Phreaking
- Physical Layer
- Piconet
- Picosecond (ps)
- Pierre Salinger Syndrome
- Piggyback Email
- Pink Noise
- Pocket Dialing
- Policy Awareness
- Port Address Translation (PAT)
- Port Forwarding
- Portable Mesh Repeater
- Power Control
- Power Line Communications (PLC)
- Predictive Dialer
- Presence
- Presentation Layer
- Private Access DSL (PADSL)
- Private Automatic Branch Exchange (PABX)
- Private Branch Exchange (PBX)
- Private Key
- PROTECT IP Act of 2011 (PIPA)
- Protocol Converter
- Protocol Data Unit (PDU)
- Provisioning (Computer Networking)
- Provisioning (Computing)
- Provisioning (Telecommunications)
- Pseudonym (nym)
- Public Key Infrastructure (PKI)
- Punchdown Block
- Push Alert
- Push Technology
- Push to Talk Over Cellular (PoC)
- Push-to-Talk (PTT)
- Quad Band
- Quality of Service (QoS)
- R/390
- Radio Frequency Field (RF Field)
- Radio Frequency Identification Reader (RFID Reader)
- Radio Frequency Interference (RFI)
- Radio Frequency Shielding (RF Shielding)
- Radio Over Internet Protocol (RoIP)
- Radio Propagation
- Real-Time Chat
- Real-Time Communications (RTC)
- Real-Time Transport Protocol (RTP)
- Receiver (RX)
- Referrer
- Regional Broadband Global Area Network (RBGAN)
- Register of Known Spam Operations (ROKSO)
- Registered Jack (RJ)
- Registered Jack-11 (RJ-11)
- Registration Admission Status (RAS)
- Remote Access
- Remote Copy (rcp)
- Remote Monitoring (RMON)
- Remote Terminal
- Repeating Hub
- Resource Reservation Protocol (RSVP)
- Rich Client
- Ring Network
- Ring Topology
- Route Control
- Routing
- Routing Information Field (RIF)
- Routing Information Protocol (RIP)
- Routing Metric
- Routing Protocol
- RTP Control Protocol (RTCP)
- S Band
- Samsung Bada
- SAP Integration Server (SAP IS)
- Satellite Broadcasting
- Satellite Communications
- Satellite Dish
- Satellite Internet Access
- Satellite Link
- Satellite Navigation
- Satellite Phone
- Screen Name
- SCSI
- Second Generation Wireless (2G)
- Secondary Audio Program (SAP)
- Secret Key
- Secure Neighbor Discovery Protocol (SEND Protocol)
- Secure Real-Time Protocol (Secure RTP or SRTP)
- Security Association (SA)
- Sequenced Packet Exchange (SPX)
- Sequenced Packet Protocol (SPP)
- Serial Communication
- Serial Copy Management System (SCMS)
- Serial Port
- Server-Based Computing (SBC)
- Service Advertising Protocol (SAP)
- Service Broker
- Service-Level Management (SLM)
- Service-Oriented Architecture Networking (SOA Networking)
- Session Announcement Protocol (SAP)
- Session Border Controller (SBC)
- Session Initiation Protocol (SIP)
- Shared Contact Center (SCC)
- Shared Loop
- Shared Memory
- Shared Resources
- Shared Secret
- Short Code
- Short Message Service (SMS)
- Short Message Service Center (SMSC)
- Shotgun Approach
- Signal Strength
- Silver Satin
- Simple Network Management Protocol (SNMP)
- Single-Mode Fiber
- Single-Pair High-Speed Digital Subscriber Line (SHDSL)
- Skype
- Sliding Window
- Small Form-Factor Pluggable (SFP)
- Smart Antenna
- SMS Gateway
- Social Media Cleansing
- Softphone
- Software Handshaking
- Software Modem
- Software Switch
- Spam
- Spam and Open Relay Blocking System (SORBS)
- Spam Over Internet Telephony (SPIT)
- Spanning Tree Protocol (STP)
- Spatial Division Multiple Access (SDMA)
- SPDY Protocol
- Spectrum Allocation
- Spectrum Harmonization
- Speech Circuit
- Speed Dial
- Split Multi-Link Trunking
- Spread Spectrum
- SprintLink
- Star Wars Kid
- Stateful Inspection
- Statistical Time Division Multiplexing (STDM, StatMUX)
- Storage over Internet Protocol (SoIP)
- Store-and-Forward Voice
- Stream Control Transmission Protocol (SCTP)
- Subnetwork (Subnet)
- Subnetwork Access Protocol (SNAP)
- Supernet
- Surge Protector
- Switched Multimegabit Data Service (SMDS)
- Synchronous
- Synchronous Digital Hierarchy (SDH)
- Synchronous Messaging
- Synchronous Transmission
- T-Carrier
- T3 Line
- Telecommunications
- Telecommunications Closet (TC)
- Telecommunications Equipment Manufacturer (TEM)
- Telegraphy
- Telematics
- Telemetry
- Telephone Company (Telco)
- Telephone Number Mapping (ENUM)
- Telephony
- Teletypewriter (TTY)
- Terminal
- Terminal Access Controller Access Control System (TACACS)
- Terminal Adapter (TA)
- Terminal Node Controller (TNC)
- The Google+ Project
- Third Generation Partnership Project (3GPP)
- Three-Way Handshake
- TiBook
- Ticket Granting Server (TGS)
- Tiered Data Plan
- Time Division Multiplexing (TDM)
- Token
- Token Bus Network
- Token Ring Network
- Topology
- Total Element Long Run Incremental Cost (TELRIC)
- Transceiver (TRX)
- Transmission Security (TRANSEC)
- Transmission Sequence Number (TSN)
- Transmitter
- Transparent Bridge
- Transponder (XPDR, XPNDR, TPDR or TP)
- Transport Layer
- Tree Topology
- Tru2way
- Trunk Port
- Tweet
- Twitterstorm
- Two-Way Communication
- Ultra High Frequency (UHF)
- Ultra-High-Speed Broadband Internet
- Unbundled Network Element (UNE)
- Unbundled Network Elements-Platform (UNE-P)
- Unified Communications (UC)
- Unified Communications and Collaboration (UCC)
- Unified Communications System (UCS)
- Unified Messaging (UM)
- Universal Business Language (UBL)
- Unix-to-Unix Copy (UUCP)
- Unlocked Cellphone
- Unshielded Twisted Pair Cable (UTP)
- Unsolicited Bulk Email (UBE)
- Unsolicited Commercial Email (UCE)
- Upstream
- Usability
- User Agent Client (UAC)
- User Agent Server (UAS)
- V.22
- V.22bis
- V.32
- V.34
- V.42
- V.90
- V.92
- Value-Added Service (VAS)
- Variable Length Subnet Mask (VLSM)
- Velocity of Propagation
- Verizon Fiber Optic Service (Verizon FiOS)
- Vertical Handover
- Vertical Scalability
- Very High Speed Digital Subscriber Line (VDSL)
- Very Small Aperture Terminal (VSAT)
- Very-High-Bitrate Digital Subscriber Line (VDSL)
- Video Bridge
- Video Teleconferencing (VTC)
- Video Telepresence
- Violet Noise
- Viral Marketing
- Virtual Call Center (VCC)
- Virtual Channel Identifier (VCI)
- Virtual Home Environment (VHE)
- Virtual Private Network (VPN)
- Virtual Router Redundancy Protocol (VRRP)
- Virtual Telecommunications Access Method (VTAM)
- Virtual Teletype (VTY)
- Vishing
- Visitor Location Register (VLR)
- Voice 2.0
- Voice Messaging
- Voice on the Net (VON)
- Voice Operated Switch (VOX)
- Voice Over Instant Messenger (VoIM)
- Voice Over Internet Protocol (VoIP)
- Voice Over Internet Protocol Caller Identification (VoIP Caller ID)
- Voice Over Internet Protocol Gateway (VoIP Gateway)
- Voice Over Internet Protocol Phone (VoIP Phone)
- Voice Over IP Security Alliance (VOIPSA)
- Voice Over Wireless Fidelity (VoWi-Fi)
- Voice Over Wireless LAN (VoWLAN)
- Voice Over Wireless Local Area Network (VoWLAN)
- Voice Peering
- Voice Recognition
- Voice Response System (VRS)
- Voice Search
- Voice Switching, Control and Applications (VSCA)
- VoIP Trunk Gateway
- Walkman Phone
- Waveguide
- Wavelength Division Multiplexing (WDM)
- Web Analytics
- Web Client
- Web Conferencing
- Web Real-Time Communications (WebRTC)
- Web Services Interoperability Technologies (WSIT)
- Web Texting
- Web-Based Seminar (Webinar)
- Web-Based Training (WBT)
- Website Filter
- White Noise
- White Paper
- White Space Device (WSD)
- Whitelist
- Wi-Fi Multimedia (WMM)
- Wi-Fi Range Extender
- Wi-Fi5
- Wide Area Network (WAN)
- Wide Area Telecommunication Service (WATS)
- Wide Area Telephone Service (WATS)
- Wideband
- Wideband Code Division Multiple Access (WCDMA)
- Wideband Voice
- Windows Clustering
- Windows Live Messenger
- Windows Sockets (Winsock)
- Wireless Application Protocol (WAP)
- Wireless Backhaul
- Wireless Communications
- Wireless Local Area Network (WLAN)
- Wireless Modem
- Wireless Sensor Network (WSN)
- Wireless Spectrum
- Wireshark
- Workgroup Productivity Package
- Wormhole Switching
- Wrap Plug
- X Terminal
- X.400
- X.509 Certificate
- X2
- Xerox Network Systems (XNS)
- XMODEM
- Yagi Antenna
- YMODEM
- ZMODEM
