- 1000Base-T
- 100BASE-T
- 133T Speak
- 8b/10b Encoding
- 9P
- Access Port
- Acoustic Coupler
- Adaptive Differential Pulse Code Modulation
- Adaptive Route
- Add/Drop Multiplexer
- Address Resolution
- Address Resolution Protocol
- Address Resolution Protocol Spoofing
- Administrative Domain
- Advanced Encryption Standard
- Advanced Metering Infrastructure
- Advanced Microcontroller Bus Architecture
- Advanced Program-to-Program Communication
- Air Gap
- A-list Blogger
- All-In-One Printer
- Ambient Backscatter
- Analog Data
- Analog Roaming
- Andrew File System
- Annoybot
- Anonymous Login
- Anonymous Post
- Antenna Array
- AppleTalk
- AppleTalk Address Resolution Protocol
- AppleTalk Filing Protocol
- Application Layer
- Application Sharing
- Area Border Router
- Assisted GPS
- Asynchronous Communication
- Asynchronous Data
- Asynchronous Groupware
- Attached Resource Computer Network
- Attenuation
- Attenuation-to-Crosstalk Ratio
- Authentication Center
- Authorization
- Autocomplete
- Automatic Call Distributor
- Automatic Location Identification
- Automatic Number Identification
- Automatic Private IP Addressing
- Automatic Repeat reQuest
- Auto-Partitioning
- Auxiliary Port
- Backbone Router
- Band
- Band Pass Filter
- Bandwidth Allocation Protocol
- Base Station
- Base Station Controller
- Baseband Unit
- Be Right Back
- Bell 212A
- Bell Operating Company
- Binary Digit
- Bit Error Rate
- Bit Stuffing
- Blackberry Messenger
- BlackBerry OS
- Blacklist
- Blogroll
- Blue Noise
- Bluetooth Universal Serial Bus
- Bonjour
- Bootstrap Protocol
- Border Gateway Protocol
- Bozo Filter
- Bridge Protocol Data Unit
- Broadband
- Broadband Code Division Multiple Access
- Broadband Global Area Network
- Broadband Wireless Access
- Broadcast Address
- Broadcast Domain
- Broadcasting
- Bus Mastering
- Bus Topology
- Cable Jetting
- Call Forwarding
- Call Logging
- Caller ID Spoofing
- Caller Ringback Tone
- Canonicalization
- CAN-SPAM Act
- Capacity
- Carnivore
- Carrier
- Carrier Sense Multiple Access With Collision Detection
- Carrier Sense Multiple Access/with Collision Avoidance
- Category 3 Cable
- Category 4 Cable
- Cell Broadcast
- Cell On Wheels
- Cell Phone Jammer
- Cell Relay
- Cell Tower
- Cells In Frames
- Cellular
- Central Office Exchange Service
- Central Processing Unit Socket
- Challenge Handshake Authentication Protocol
- Challenge-Response Authentication
- Change Management
- Channel Capacity
- Chat
- Check Digit
- Checksum
- Chunk
- Circuit-Level Gateway
- Cisco Discovery Protocol
- Cisco IOS
- Cisco Network Admission Control
- Cisco Unified Computing System
- Clamshell Mobile
- Class C Network
- Click-To-Callback
- Client-Server Model
- Closed User Group
- Cloud Communications
- Coaxial Antenna
- Coaxial Cable
- Code Division Multiplexing
- Coded Orthogonal Frequency Division Multiplexing
- Cognitive Network
- Cognitive Radio
- Cold Server
- Collision Avoidance
- Commercial Mobile Radio Services
- Common Address Redundancy Protocol
- Common Carrier
- Common Public Radio Interface
- Common Short Code Administration
- Communication and Networking Riser
- Communication Controller
- Communication Media
- Communication Software
- Communications Assistance For Law Enforcement Act
- Communications Over Internet Protocol
- Communications Satellite
- Communications Server
- Communications System
- Competitive Local Exchange Carrier
- Component Object Model+
- Computer Cluster
- Computer Network Technician
- Computer Telephony Integration
- Computerized Bulletin Board System
- Conditional Access
- Congestion
- Connected Limited Device Configuration
- Connectionless Protocol
- Connectionless Service
- Connection-Oriented Protocol
- Connection-Oriented Service
- Converged Enhanced Ethernet
- Customer Premises Equipment Device
- Cyberduck
- Cyberpunk
- Cyberspace
- Cyclic Redundancy Check
- Dancing Baby
- Dark Fiber
- DARPANET
- Data
- Data Access Arrangement
- Data Card
- Data Communications
- Data Communications Equipment
- Data Distribution Service
- Data Encapsulation
- Data Integration Service
- Data Journalism
- Data Link Control
- Data Link Layer
- Data Loss Prevention
- Data Terminal Equipment
- Data Transmission
- Datagram
- DB-15
- DB-50
- DB-68
- DB-9
- Dedicated Access Line
- Dedicated Line
- Deep Dialing
- Deep Packet Inspection
- Defense Advanced Research Projects Agency
- Defense Message System
- Demand Assigned Multiple Access
- Demultiplex
- Dense Wavelength Division Multiplexing
- Designated Router
- Desktop as a Service
- Desktop Video Conferencing
- Dial-on-Demand Routing
- Dial-Up Connection
- Digital Camera
- Digital Enhanced Cordless Telecommunications
- Digital Signage
- Digital Signature
- Digital Simultaneous Voice and Data
- Digital Subscriber Line
- Digital Switch
- Digital Video Broadcasting - Handheld
- Digital Video Broadcasting - Terrestrial
- Digital Video Broadcasting-Satellite Second Generation
- Digital Visual Interface
- Digital-to-Analog Converter
- Direct Inward Dialing
- Direct Sequence Spread Spectrum
- Directed Speech Recognition
- Disconnect Anxiety
- Discoverable Mode
- Discretionary Access Control
- Disk-to-Disk
- Disposable Email
- Disruption-Tolerant Network
- Distributed Antenna System
- Distributed File System
- Distributed Search
- DMCA 1201
- DNS Whitelist
- Domain Controller
- Domain Name
- Domain Name System
- Domain Name System Based List
- Doppler Effect
- Dual Band
- Dual-Mode Device
- Dual-Ring Topology
- Dual-Tone Multifrequency
- Dumb Network
- Duplex
- Duplexer
- Dynamic Host Configuration Protocol
- Dynamic Smart Cooling
- Dynamic Virtual Private Network
- Echo Cancellation
- eDonkey Network
- Eight-to-Fourteen Modulation
- Electromagnetic Field
- Electronic Card
- Electronic Discovery Reference Model
- Electronic Ink
- Email Harvesting
- Email Hoax
- Email Rage
- Email Signature
- Email Thread
- Engineer-to-Order Enterprise Resource Planning
- Enhanced Interior Gateway Routing Protocol
- Enhanced Messaging Service
- Enterprise 2.0
- Enterprise Collaboration System
- Enterprise Digital Assistant
- Enterprise Message Exchange
- Enterprise Messaging System
- Enterprise Portal Software
- Enterprise Private Network
- Erbium-Doped Fiber Amplifier
- Eris Free Network
- Error Checking and Correction
- Error Control
- Error Correction
- Error Detection
- E-Speak
- EtherLoop
- Ethernet
- Ethernet Industrial Protocol
- Ethernet to Fiber
- European Telecommunications Standards Institute
- Even Parity
- Event-Stream Processing
- Event-Triggered Email
- Evolution-Data Optimized
- Evolved Packet Core
- Expansion Card
- Extensible Authentication Protocol
- Extranet
- Extremely Low Frequency
- FaceTime
- Facsimile
- Facsimile Machine
- Fail
- Farming
- Fast Infoset
- Fax Modem
- Fax Server
- Feature Group D
- Federal Communications Commission
- Feed Line
- Femtocell
- Fiber Bragg Grating
- Fiber Distributed Data Interface
- Fiber Laser
- Fiber Pigtail
- Fiber to the Home
- Fiber-Optic Service
- File Area Network
- Financial Information Exchange
- Fixed Routing
- Fixed Wireless Access
- Flash Mob
- Flight Mode
- Flooding
- Flow Control
- Flowchart
- FON Map
- FON Spot
- Foneros
- Forking Proxy Server
- Forward
- Forward Error Correction
- Fourier Series
- Fragmentation
- Frame Check Sequence
- Frame Relay
- Frankenpine
- Fraud over Internet Protocol
- Free Space Optics
- Freedom of Information
- Freedom Of Information Act
- Frequency Division Duplex
- Frequency Hopping - Code Division Multiple Access
- Frequency Hopping Spread Spectrum
- Frequency Modulation
- Frequency Modulation Synthesis
- Friend-To-Friend
- Full Duplex
- G.721
- G.723
- G.726
- G.727
- G.728
- Gatekeeper Transaction Message Protocol
- Generic Access Network
- Geostationary Orbit
- Geosynchronous Satellite
- Gigabit Ethernet
- Global Area Network
- Global Internet Exchange
- Global Navigation Satellite System
- Global System for Mobile Communications
- Glue Language
- GNUnet
- Google Hangouts
- Google Phone
- Google Talk
- Graduated Security
- Gray Noise
- Graynet
- Ground-Plane Antenna
- Group 4 Protocols
- Groupware
- Half Duplex
- Hamming Code
- Handheld Transceiver
- Handoff
- Handover
- Handset
- Handshaking
- Hardening
- Hardware Handshaking
- Harmonic
- Hashing
- Hayes-Compatible Modem
- Headend
- Height Above Average Terrain
- Helical Antenna
- High Frequency
- High-Level Data Link Control
- High-Performance Radio Local Area Network
- Host Name
- Host-Based Modem
- Hosts File
- Huffman Coding
- Hybrid Unified Communications and Collaboration
- Hypertext Transfer Protocol
- I2P
- Identification, Friend Or Foe
- IEEE 1284 Parallel Interface Standard
- IEEE 488
- IEEE 802.11
- IEEE 802.11d
- IEEE 802.11e
- IEEE 802.11i
- IEEE 802.11j
- IEEE 802.11k
- I-Mode
- Industrial, Scientific and Medical Radio Band
- Information and Communications Technology
- Information Architecture
- Information Systems or Information Services
- Infrared
- Infrared Light Emitting Diode
- Input/Output Device
- Integrated Digital Enhanced Network
- Integrated Financial Management System
- Integrated Marketing Communications
- Integrated Receiver/Decoder
- Integrated Services Digital Network
- Integration-Centric Business Process Management Suite
- Intellectual Property
- Intelligent Network Application Part
- Interactivity
- Intercast
- Interconnection Agreement
- Interleaving
- Internal Border Gateway Protocol
- International Mobile Equipment Identity
- International Mobile Subscriber Identity
- International Telecommunication Union
- Internet
- Internet Bot
- Internet Control Message Protocol
- Internet Engineering Task Force
- Internet Key Exchange
- Internet Message Access Protocol
- Internet Network Operations Center
- Internet Over Satellite
- Internet Protocol
- Internet Protocol Private Branch Exchange
- Internet Protocol Telephony
- Internet Protocol Television
- Internet Protocol Version 6
- Internet Society
- Internet Time
- Internet Transit
- Internet2
- Internetwork Packet Exchange/Sequenced Packet Exchange
- Internetworking Device
- Interoperability
- Intranet Suite
- Intrusion Signature
- In-Vehicle Infotainment
- Inverse Multiplexer
- Inverted Network
- Ion
- IP Datacasting
- IP Multimedia Subsystem
- iPhone 3G
- iPod
- Jammer
- Java Message Service
- JenniCam
- Jitter (VoIP)
- Joe Job
- Kademlia
- Keepalive
- Kerberos
- Kevin Mitnick
- Kurtz-Above Band
- Kurtz-Under Band
- L Band
- La Fonera
- Lag
- LAN Switching
- Laser Diode
- Last Mile Technology
- Layer 2 Tunneling Protocol
- Layer Two Forwarding
- Least Cost Routing
- Leisure Diving
- Lightweight Directory Access Protocol
- Line of Sight
- Link Aggregation
- Link Control Protocol
- Linkerati
- Live Video Chat
- Local Access and Transport Area
- Local Area Network
- Local Area Network (LAN) Emulation
- Local Area Network Emulation
- Local Area Transport
- Local Multipoint Distribution Services
- LocalTalk
- Location Based Services
- Location Dependent Services
- Logical Link Control
- Logical Topology
- Logical Unit Number
- Longitudinal Redundancy Check
- Loop Capable Fabric Port
- Loopback Address
- Loopback Plug
- Loopback Test
- Low Earth Orbit
- Low-Noise Amplifier
- Low-Pass Filter
- Lurking
- Main Distribution Frame
- Mean Opinion Score
- Measured Telephone Service
- Media
- Media Access Control Address
- Medium Dependent Interface Crossover
- MERA VoIP Key System
- MERA VoIP Transit Softswitch
- Message Broker
- Message Digest
- Message Queuing Service
- Message Switching
- Methods for Testing and Specification
- Metropolitan Area Network
- Microcom Networking Protocol
- Microsegmentation
- Microsoft Exchange
- Microsoft Network Access Protection
- Minimum Point of Entry
- Mobile Application Service Provider
- Mobile Centrex
- Mobile Earth Station
- Mobile Information Device Profile
- Mobile Internet Device
- Mobile IP
- Mobile Location Protocol
- Mobile Marketing Association
- Mobile Network Operator
- Mobile Operating System
- Mobile Phone
- Mobile Phone Spam
- Mobile Search
- Mobile Station International Subscriber Directory Number
- Mobile Switching Center
- Mobile Virtual Network Enabler
- Mobile Virtual Network Operator
- Mobility Management
- Mobipocket Reader
- Modular Phone
- Modulation
- Morse Code
- Motorola Droid X
- MSN TV
- Multi Channel Television Sound
- Multiband Antenna
- Multicast
- Multicast Address
- Multicast Backbone
- Multihomed
- Multimedia Home Platform
- Multimedia Message Service
- Multimedia Messaging Service
- Multi-Mode Fiber
- Multiple Access
- Multiple Access With Colision Avoidance
- Multiple Channels Per Carrier
- Multiple Frequency-Shift Keying
- Multiple Points of Presence
- Multiplexer
- Multiplexing
- Multiprotocol Over ATM
- Narrowcast
- Native Command Queuing
- Near Field Communication
- Neighbor Discovery Protocol
- Neo FreeRunner
- NetBIOS Extended User Interface
- NetBIOS Session Service
- Netbus
- NetMeeting
- Netware Core Protocol
- NetWare Link
- Network Access Server
- Network Address Translation
- Network Addressable Unit
- Network Architecture
- Network Based Application Recognition
- Network Bottleneck
- Network Convergence
- Network Driver Interface Specification
- Network File System
- Network Identity
- Network Interface Card
- Network Interface Device
- Network Layer
- Nimrod Routing Architecture
- Node
- Node Port
- Noise
- Noise Figure
- Non Return to Zero Inverted
- Non-Broadcast Multiple Access
- Non-Line Of Sight
- Nonrepudiation
- Nuker
- Null Character
- Nym Server
- Odd Parity
- Office of Cybersecurity and Communications
- Online Marketing
- Online Transaction Processing
- Open Financial Exchange
- Open Relay
- Open Shortest Path First
- Open Systems Interconnection Model
- Optical Burst Switching
- Optical Fiber
- Optical Fiber Amplifier
- Optical Fiber Cable
- Optical Mesh Network
- Optical Network
- Optical Power Meter
- orkut
- Orthogonal Frequency Division Multiplexing
- Outbound Call Center
- Outsourced Product Development
- Packet
- Packet Capture
- Packet Filtering
- Packet Switched Network
- Parity Check
- Passive Reconnaissance
- Patch Antenna
- PCI Extended
- Peering
- Peering Agreement
- Peer-to-Peer Architecture
- Peripheral Component Interconnect Bus
- Permanently Assigned Multiple Access
- Personal Communications Service
- Phase Shift
- Phased Array
- Phase-Shift Keying
- Phreaking
- Physical Layer
- Piconet
- Picosecond
- Pierre Salinger Syndrome
- Piggyback Email
- Ping
- Pink Noise
- Pocket Dialing
- Policy Awareness
- Port Address Translation
- Port Forwarding
- Portable Mesh Repeater
- Power Control
- Power Line Communications
- Predictive Dialer
- Presence
- Presentation Layer
- Private Access DSL
- Private Automatic Branch Exchange
- Private Branch Exchange
- Private Key
- PROTECT IP Act of 2011
- Protocol Converter
- Protocol Data Unit
- Provisioning (Computer Networking)
- Provisioning (Computing)
- Provisioning (Telecommunications)
- Pseudonym
- Public Key Infrastructure
- Punchdown Block
- Push Alert
- Push Technology
- Push to Talk Over Cellular
- Push-to-Talk
- Quad Band
- Quality of Service
- R/390
- Radio Frequency Field
- Radio Frequency Identification Reader
- Radio Frequency Interference
- Radio Frequency Shielding
- Radio Over Internet Protocol
- Radio Propagation
- Real-Time Chat
- Real-Time Communications
- Real-Time Transport Protocol
- Receiver
- Referrer
- Regional Broadband Global Area Network
- Register of Known Spam Operations
- Registered Jack
- Registered Jack-11
- Registration Admission Status
- Remote Access
- Remote Copy
- Remote Monitoring
- Remote Terminal
- Repeating Hub
- Resource Reservation Protocol
- Rich Client
- Ring Network
- Ring Topology
- Route Control
- Routing
- Routing Information Field
- Routing Information Protocol
- Routing Metric
- Routing Protocol
- RTP Control Protocol
- S Band
- Samsung Bada
- SAP Integration Server
- Satellite Broadcasting
- Satellite Communications
- Satellite Dish
- Satellite Internet Access
- Satellite Link
- Satellite Navigation
- Satellite Phone
- Screen Name
- SCSI
- Second Generation Wireless
- Secondary Audio Program
- Secret Key
- Secure Neighbor Discovery Protocol
- Secure Real-Time Protocol
- Security Association
- Sequenced Packet Exchange
- Sequenced Packet Protocol
- Serial Communication
- Serial Copy Management System
- Serial Port
- Server-Based Computing
- Service Advertising Protocol
- Service Broker
- Service-Level Management
- Service-Oriented Architecture Networking
- Session Announcement Protocol
- Session Border Controller
- Session Initiation Protocol
- Shared Contact Center
- Shared Loop
- Shared Memory
- Shared Resources
- Shared Secret
- Short Code
- Short Message Service
- Short Message Service Center
- Shotgun Approach
- SIGCOMM
- Signal Strength
- Silver Satin
- Simple Network Management Protocol
- Single-Mode Fiber
- Single-Pair High-Speed Digital Subscriber Line
- Skype
- Sliding Window
- Small Form-Factor Pluggable
- Smart Antenna
- SMS Gateway
- Social Media Cleansing
- Softphone
- Software Handshaking
- Software Modem
- Software Switch
- Spam
- Spam and Open Relay Blocking System
- Spam Over Internet Telephony
- Spanning Tree Protocol
- Spatial Division Multiple Access
- SPDY Protocol
- Spectrum Allocation
- Spectrum Harmonization
- Speech Circuit
- Speed Dial
- Split Multi-Link Trunking
- Spread Spectrum
- SprintLink
- Standing Wave Ratio
- Star Wars Kid
- Stateful Inspection
- Statistical Time Division Multiplexing
- Storage over Internet Protocol
- Store-and-Forward Voice
- Stream Control Transmission Protocol
- Subnetwork
- Subnetwork Access Protocol
- Supernet
- Surge Protector
- Switched Multimegabit Data Service
- Synchronous
- Synchronous Digital Hierarchy
- Synchronous Messaging
- Synchronous Transmission
- T3 Line
- T-Carrier
- Telecommunications
- Telecommunications Closet
- Telecommunications Equipment Manufacturer
- Telegraphy
- Telematics
- Telemetry
- Telephone Company
- Telephone Number Mapping
- Telephony
- Teletypewriter
- Terminal
- Terminal Access Controller Access Control System
- Terminal Adapter
- Terminal Node Controller
- The Google+ Project
- Third Generation Partnership Project
- Three-Way Handshake
- TiBook
- Ticket Granting Server
- Tiered Data Plan
- Time Division Multiplexing
- Token
- Token Bus Network
- Token Ring Network
- Topology
- Total Element Long Run Incremental Cost
- Transceiver
- Transmission Security
- Transmission Sequence Number
- Transmitter
- Transparent Bridge
- Transponder
- Transport Layer
- Tree Topology
- Tru2way
- Trunk Port
- Tweet
- Twitterstorm
- Two-Way Communication
- Ultra High Frequency
- Ultra Wideband
- Ultra-High-Speed Broadband Internet
- Unbundled Network Element
- Unbundled Network Elements-Platform
- Unified Communications
- Unified Communications and Collaboration
- Unified Communications System
- Unified Messaging
- Universal Business Language
- Unix-to-Unix Copy
- Unlocked Cellphone
- Unshielded Twisted Pair Cable
- Unsolicited Bulk Email
- Unsolicited Commercial Email
- Upstream
- Usability
- User Agent Client
- User Agent Server
- V.22
- V.22bis
- V.32
- V.34
- V.42
- V.90
- V.92
- Value-Added Service
- Variable Length Subnet Mask
- Velocity of Propagation
- Verizon Fiber Optic Service
- Vertical Handover
- Vertical Scalability
- Very High Speed Digital Subscriber Line
- Very Small Aperture Terminal
- Very-High-Bitrate Digital Subscriber Line
- Video Bridge
- Video Teleconferencing
- Video Telepresence
- Violet Noise
- Viral Marketing
- Virtual Call Center
- Virtual Channel Identifier
- Virtual Home Environment
- Virtual Private Network
- Virtual Router Redundancy Protocol
- Virtual Telecommunications Access Method
- Virtual Teletype
- Vishing
- Visitor Location Register
- Voice 2.0
- Voice Messaging
- Voice on the Net
- Voice Operated Switch
- Voice Over Instant Messenger
- Voice Over Internet Protocol
- Voice Over Internet Protocol Caller Identification
- Voice Over Internet Protocol Gateway
- Voice Over Internet Protocol Phone
- Voice Over IP Security Alliance
- Voice Over Wireless Fidelity
- Voice Over Wireless LAN
- Voice Over Wireless Local Area Network
- Voice Peering
- Voice Recognition
- Voice Response System
- Voice Search
- Voice Switching, Control and Applications
- VoIP Trunk Gateway
- Walkman Phone
- Waveguide
- Wavelength Division Multiplexing
- Web Analytics
- Web Client
- Web Conferencing
- Web Real-Time Communications
- Web Services Interoperability Technologies
- Web Texting
- Web-Based Seminar
- Web-Based Training
- Website Filter
- White Noise
- White Paper
- White Space Device
- Whitelist
- Wide Area Network
- Wide Area Telecommunication Service
- Wide Area Telephone Service
- Wideband
- Wideband Code Division Multiple Access
- Wideband Voice
- Wi-Fi Multimedia
- Wi-Fi Range Extender
- Wi-Fi5
- Windows Clustering
- Windows Live Messenger
- Windows Sockets
- Wireless Application Protocol
- Wireless Backhaul
- Wireless Communications
- Wireless Local Area Network
- Wireless Modem
- Wireless Sensor Network
- Wireless Spectrum
- Wireshark
- Workgroup Productivity Package
- Wormhole Switching
- Wrap Plug
- X Terminal
- X.400
- X.509 Certificate
- X2
- Xerox Network Systems
- XMODEM
- Yagi Antenna
- YMODEM
- ZMODEM
