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- ring back
- Ringback is an intermittent audio tone that a caller in a t...
- ring network
- A ring network is a local area network (LAN) in which...
- ring tone
- On mobile phones, a ringtone is a brief audio file played t...
- ringback
- Ringback is an intermittent audio tone that a caller in a tel...
- ringing tone
- On mobile phones, a ringtone is a brief audio file pl...
- ringtone
- On mobile phones, a ringtone is a brief audio file played to ...
- RJ
- In the U. S., telephone jacks are also known as registered jacks, sometim...
- RJ-11
- In the U. S., telephone jacks are also known as registered jacks, s...
- RJ-14
- In the U. S., telephone jacks are also known as registered jacks, s...
- RJ-45
- In the U. S., telephone jacks are also known as registered jacks, s...
- RJ-XX
- In the U. S., telephone jacks are also known as registered jacks, s...
- roam
- Roaming service is the ability to get access to the Internet when awa...
- roaming
- Roaming service is the ability to get access to the Internet wh...
- roaming service
- Roaming service is the ability to get access to...
- robot blimp
- A Stratellite is a rigid framed airship that hovers in ...
- robotic dirigible
- A Stratellite is a rigid framed airship tha...
- round robin
- A round robin is an arrangement of choosing all element...
- round trip time
- Round-trip time (RTT), also called round-trip d...
- round-trip delay
- Round-trip time (RTT), also called round-trip...
- round-trip time
- Round-trip time (RTT), also called round-trip d...
- round-trip time (RTT)
- Round-trip time (RTT), also called ...
- RS-232C
- RS-232C is a long-established standard ("C" is the current vers...
- RTT
- Round-trip time (RTT), also called round-trip delay, is the time requir...
- S/N
- In analog and digital communications, signal-to-noise ratio, often writ...
- SAR
- In a packet-switched telecommunication network, segmentation and reasse...
- Satellite Digital Audio Radio Service
- Sat...
- satellite news gathering
- Satellite news gathering (SNG...
- satellite news gathering (SNG)
- Satellite news ga...
- satellite radio
- Satellite radio, more formally known as Satelli...
- satellite radio or Satellite Digital Audio Radi...
- scalable video coding (SVC)
- Scalable video coding (...
- SCCP
- Skinny Client Control Protocol (SCCP) is a Cisco proprietary standard...
- SDARS
- Satellite radio, more formally known as Satellite Digital Audio Rad...
- SDH
- SDH (Synchronous Digital Hierarchy) is a standard technology for synchr...
- SDH (Synchronous Digital Hierarchy)
- SDH (Sy...
- SDI
- Serial Digital Interface (SDI) is a standard for digital video transmis...
- segmentation
- In a packet-switched telecommunication network, segme...
- segmentation and reassembly
- In a packet-switched te...
- segmentation and reassembly (SAR)
- In a packet...
- Sequenced Packet Exchange
- SPX (Sequenced Packet Excha...
- Sequenced Packet Exchange (SPX)
- SPX (Sequenced ...
- Serial Digital Interface
- Serial Digital Interface (SDI...
- Serial Digital Interface (SDI)
- Serial Digital In...
- service level agreement
- A service-level agreement (SLA)...
- service-level agreement
- A service-level agreement (SLA)...
- service-level agreement (SLA)
- A service-level agr...
- SFF
- Small form factor (SFF) refers to any of several physically compact con...
- SFP
- Small form-factor pluggable (SFP) is a specification for a new generati...
- shielded twisted pair
- This definition closely duplicates ...
- signal
- In electronics, a signal is an electric current or electromagneti...
- signal-to-noise ratio
- In analog and digital communication...
- signal-to-noise ratio (S/N or SNR)
- In analog...
- signaling
- In telephony, signaling is the exchange of information betw...
- Signaling System 7
- On the public switched telephone network ...
- Signaling System 7 (SS7)
- On the public switched teleph...
- Signaling Transport
- SIGTRAN (for Signaling Transport) is th...
- SIGTRAN
- SIGTRAN (for Signaling Transport) is the standard telephony pro...
- SIGTRAN (Signaling Transport)
- SIGTRAN (for Signal...
- silicon photonics
- Silicon photonics is an evolving technology...
- SIMO
- SIMO (single input, multiple output) is an antenna technology for wir...
- SIMO (single input, multiple output)
- SIMO ...
- Simple Traversal of UDP through NAT
- Simple ...
- simplex
- In telecommunication, duplex communication means that both ends...
- simplex
- Simplex is a communications mode in which only one signal is tr...
- single input multiple output
- SIMO (single input, m...
- single input single output
- SISO (single input, singl...
- SISO
- SISO (single input, single output) refers to a wireless communication...
- SISO (single input, single output)
- SISO (sin...
- Skinny Client Control Protocol
- Skinny Client Con...
- Skinny Client Control Protocol (SCCP)
- Ski...
- SLA
- A service-level agreement (SLA) is a contract between a network service...
- slamming
- Slamming is the practice by some U.S. long-distance phone car...
- slave
- In computer networking, master/slave is a model for a communication...
- small form factor
- Small form factor (SFF) refers to any of se...
- small form factor (SFF)
- Small form factor (SFF) refers ...
- small form factor pluggable
- Small form-factor plugg...
- small form-factor pluggable
- Small form-factor plugg...
- small form-factor pluggable (SFP)
- Small form-...
- smart antenna
- A smart antenna is a digital wireless communication...
- smart building
- A smart home or building is a home or building, u...
- smart home
- A smart home or building is a home or building, usually a...
- smart home or building
- A smart home or building is a hom...
- SMDS
- SMDS (Switched Multimegabit Data Service) is a public, packet-switche...
- SMDS (Switched Multimegabit Data Service)
- SNG
- Satellite news gathering (SNG) is the use of mobile communications equi...
- SNR
- In analog and digital communications, signal-to-noise ratio, often writ...
- soft phone
- A softphone (software telephone) is an application progra...
- softphone
- A softphone (software telephone) is an application program ...
- softphone (soft client telephone)
- A softphone...
- software telephone
- A softphone (software telephone) is an ap...
- sound beam
- Directional sound is a technology that concentrates acous...
- split horizon
- Split horizon is a method of preventing a routing l...
- splitter
- In telephony, a splitter, sometimes called a "plain old telep...
- SPX
- SPX (Sequenced Packet Exchange) is the protocol for handling packet seq...
- SQPSK
- Staggered quadrature phase-shift keying (SQPSK), also known as offs...
- Squid proxy server
- Squid is a Unix-based proxy server that c...
- SS7
- On the public switched telephone network (PSTN), Signaling System 7 (SS...
- staggered quadrature phase-shift keying
- standing-wave ratio
- Standing-wave ratio (SWR) is a mathemat...
- standing-wave ratio (SWR, VWSR, IWSR)
- Sta...
- star network
- A star network is a local area network (LAN) in which...
- STP
- This definition closely duplicates the definition for twisted pair.
- Stratellite
- A Stratellite is a rigid framed airship that hovers in ...
- Streaming media quiz
- A quiz about technologies and terms r...