VoIP terminology & concepts
Anti-tromboning
Anti-tromboning is a feature employed in telecommunication networks, such as Voice over IP networks, that optimises the use of the access network and reduces excess processing and traffic.
Anti-tromboning is a feature employed in telecommunication networks, such as Voice over IP networks, that optimises the use of the access network and reduces excess processing and traffic.
Back-to-back user agent
A back-to-back user agent (B2BUA) is a logical network element in Session Initiation Protocol (SIP) applications.
A back-to-back user agent (B2BUA) is a logical network element in Session Initiation Protocol (SIP) applications.
Call Agent
In a telecommunications system, a Call Agent is a Media Gateway Controller (MGC) when used in the context of MGCP. It is concerned with the handling of specific services to users.
In a telecommunications system, a Call Agent is a Media Gateway Controller (MGC) when used in the context of MGCP. It is concerned with the handling of specific services to users.
Call origination
Call Origination, also known as voice origination, refers to the collecting of the calls initiated by a calling party on a telephone exchange of PSTN, and handing off the calls to a VoIP endpoin...
Call Origination, also known as voice origination, refers to the collecting of the calls initiated by a calling party on a telephone exchange of PSTN, and handing off the calls to a VoIP endpoin...
Chatter bug
Chatter Bug is a service and hardware device used to route long distance voice calls over an IP network.
Chatter Bug is a service and hardware device used to route long distance voice calls over an IP network.
Comfort noise
Comfort noise is synthetic background noise used in radio and wireless communications to fill the artificial silence in a transmission resulting from voice activity detection or from the audio c...
Comfort noise is synthetic background noise used in radio and wireless communications to fill the artificial silence in a transmission resulting from voice activity detection or from the audio c...
Host Media Processing
Host Media Processing or HMP is a design model in telecommunications systems that involves the use of software solutions to perform voice processing functions where dedicated Digital Signa...
Host Media Processing or HMP is a design model in telecommunications systems that involves the use of software solutions to perform voice processing functions where dedicated Digital Signa...
International gateway
An International Gateway is a telephone number through which calls are routed to get cheaper rates on international long distance charges, or to make calls through voice over IP (VOIP) networks...
An International Gateway is a telephone number through which calls are routed to get cheaper rates on international long distance charges, or to make calls through voice over IP (VOIP) networks...
Internet telephony service provider
An Internet telephony service provider offers digital telecommunications services based on Voice over Internet Protocol that are provisioned via the Internet.
An Internet telephony service provider offers digital telecommunications services based on Voice over Internet Protocol that are provisioned via the Internet.
IP Multimedia Subsystem
The IP Multimedia Subsystem or IP Multimedia Core Network Subsystem (IMS) is an architectural framework for delivering Internet Protocol (IP) multimedia services.
The IP Multimedia Subsystem or IP Multimedia Core Network Subsystem (IMS) is an architectural framework for delivering Internet Protocol (IP) multimedia services.
IP multimedia subsystem
The IP multimedia subsystem or IP multimedia core network subsystem (IMS) is an architectural framework for delivering Internet Protocol (IP) multimedia services.
The IP multimedia subsystem or IP multimedia core network subsystem (IMS) is an architectural framework for delivering Internet Protocol (IP) multimedia services.
Lawful interception
Lawful interception (LI) is obtaining communications network data pursuant to lawful authority for the purpose of analysis or evidence.
Lawful interception (LI) is obtaining communications network data pursuant to lawful authority for the purpose of analysis or evidence.
Media Gateway Control Protocol (MGCP)
MGCP is an implementation of the Media Gateway Control Protocol architecture for controlling media gateways on Internet Protocol (IP) networks and the public switched telephone network (PSTN).
MGCP is an implementation of the Media Gateway Control Protocol architecture for controlling media gateways on Internet Protocol (IP) networks and the public switched telephone network (PSTN).
MMTEl
MMTel is a global telephony standard based on IP Multimedia Subsystem, offering converged, fixed and mobile real-time multimedia communication using the media capabilities such as voice, real-ti...
MMTel is a global telephony standard based on IP Multimedia Subsystem, offering converged, fixed and mobile real-time multimedia communication using the media capabilities such as voice, real-ti...
Multimedia Telephony
The 3GPP/NGN IMS Multimedia Telephony Service (MMTel) is a global standard based on the IP Multimedia Subsystem (IMS), offering converged, fixed and mobile real-time multimedia communicati...
The 3GPP/NGN IMS Multimedia Telephony Service (MMTel) is a global standard based on the IP Multimedia Subsystem (IMS), offering converged, fixed and mobile real-time multimedia communicati...
Multimedia telephony
The 3GPP/NGN IMS Multimedia Telephony Service is a global standard based on the IP Multimedia Subsystem, offering converged, fixed and mobile real-time multimedia communication using the media c...
The 3GPP/NGN IMS Multimedia Telephony Service is a global standard based on the IP Multimedia Subsystem, offering converged, fixed and mobile real-time multimedia communication using the media c...
Origination
Origination in VOIP telephony refers to calls that originate in the PSTN public switched telephone network and are carried to their destination over the Internet.
Origination in VOIP telephony refers to calls that originate in the PSTN public switched telephone network and are carried to their destination over the Internet.
Packet loss concealment
Packet loss concealment (PLC) is a technique to mask the effects of packet loss in VoIP communications.
Packet loss concealment (PLC) is a technique to mask the effects of packet loss in VoIP communications.
PacketCable
PacketCable is an industry consortium founded by CableLabs with the goal of defining standards for the cable television modem access industry.
PacketCable is an industry consortium founded by CableLabs with the goal of defining standards for the cable television modem access industry.
Purple minutes
Purple minutes in internet communications refers to IP network traffic that has a value-added component, e.g. voice, video etc.
Purple minutes in internet communications refers to IP network traffic that has a value-added component, e.g. voice, video etc.
Real-time Transport Protocol
The Real-time Transport Protocol (RTP) defines a standardized packet format for delivering audio and video over IP networks.
The Real-time Transport Protocol (RTP) defines a standardized packet format for delivering audio and video over IP networks.
Session border controller
A session border controller (SBC) is a device regularly deployed in Voice over Internet Protocol (VoIP) networks to exert control over the signaling and usually also the media streams involved i...
A session border controller (SBC) is a device regularly deployed in Voice over Internet Protocol (VoIP) networks to exert control over the signaling and usually also the media streams involved i...
Session Initiation Protocol
The Session Initiation Protocol is an IETF-defined signaling protocol widely used for controlling communication sessions such as voice and video calls over Internet Protocol.
The Session Initiation Protocol is an IETF-defined signaling protocol widely used for controlling communication sessions such as voice and video calls over Internet Protocol.
Signaling gateway
A Signaling Gateway is a network component responsible for transferring signaling messages (i.e.
A Signaling Gateway is a network component responsible for transferring signaling messages (i.e.
SIP connection
Bold text A Session Initiation Protocol connection is a Voice over Internet Protocol service offered by many Internet telephony service providers that connects a company's private branch ...
Bold text A Session Initiation Protocol connection is a Voice over Internet Protocol service offered by many Internet telephony service providers that connects a company's private branch ...
SIP Trunking
SIP trunking is a Voice over Internet Protocol and streaming media service based on the Session Initiation Protocol by which Internet telephony service providers deliver telephone services and ...
SIP trunking is a Voice over Internet Protocol and streaming media service based on the Session Initiation Protocol by which Internet telephony service providers deliver telephone services and ...
Softphone
A softphone is a software program for making telephone calls over the Internet using a general purpose computer, rather than using dedicated hardware.
A softphone is a software program for making telephone calls over the Internet using a general purpose computer, rather than using dedicated hardware.
STUN
STUN is a standardized set of methods, including a network protocol, used in NAT traversal for applications of real-time voice, video, messaging, and other interactive IP communications.
STUN is a standardized set of methods, including a network protocol, used in NAT traversal for applications of real-time voice, video, messaging, and other interactive IP communications.
Survivable Branch Appliance
A Survivable Branch Appliance (SBA) is a device that aims to increase the resiliency of branch offices in terms of communications in cases of network failures as it is able to switch VoIP calls ...
A Survivable Branch Appliance (SBA) is a device that aims to increase the resiliency of branch offices in terms of communications in cases of network failures as it is able to switch VoIP calls ...
Survivable branch appliance
A survivable branch appliance is a device that aims to increase the resiliency of branch offices in terms of communications in cases of network failures as it is able to switch VoIP calls from t...
A survivable branch appliance is a device that aims to increase the resiliency of branch offices in terms of communications in cases of network failures as it is able to switch VoIP calls from t...
Talkspurt
In digital telephony, a talkspurt is a continuous segment of speech between silent intervals, where only background noise can be heard.
In digital telephony, a talkspurt is a continuous segment of speech between silent intervals, where only background noise can be heard.
Traversal Using Relay NAT
Traversal Using Relay NAT (TURN) is a protocol that allows for an element behind a Network address translator (NAT) or firewall to receive incoming data over TCP or UDP connections.
Traversal Using Relay NAT (TURN) is a protocol that allows for an element behind a Network address translator (NAT) or firewall to receive incoming data over TCP or UDP connections.
Traversal Using Relays around NAT
Traversal Using Relays around NAT is a protocol that allows for an element behind a network address translator or firewall to receive incoming data over TCP or UDP connections.
Traversal Using Relays around NAT is a protocol that allows for an element behind a network address translator or firewall to receive incoming data over TCP or UDP connections.
Trunking gateway
A trunking gateway is an interface between the Voice over Internet Protocol (VoIP) and Public switched telephone network (PSTN).
A trunking gateway is an interface between the Voice over Internet Protocol (VoIP) and Public switched telephone network (PSTN).
Vishing
Vishing is the criminal practice of using social engineering over the telephone system, most often using features facilitated by Voice over IP (VoIP), to gain access to private personal and fina...
Vishing is the criminal practice of using social engineering over the telephone system, most often using features facilitated by Voice over IP (VoIP), to gain access to private personal and fina...
Voice engine
A voice engine is a software subsystem for bidirectional audio communication, typically used as part of a telecommunications system to simulate a telephone.
A voice engine is a software subsystem for bidirectional audio communication, typically used as part of a telecommunications system to simulate a telephone.
Voice peering
Voice peering, also called VoIP peering, refers to the forwarding of calls from one ITSP to another ITSP directly using VoIP technology.
Voice peering, also called VoIP peering, refers to the forwarding of calls from one ITSP to another ITSP directly using VoIP technology.
VoIP spam
VoIP spam is unwanted, automatically dialled, pre-recorded phone calls using Voice over Internet Protocol (VoIP).
VoIP spam is unwanted, automatically dialled, pre-recorded phone calls using Voice over Internet Protocol (VoIP).
VoIP VPN
A VoIP VPN combines voice over IgfhdfsP and virtual private network technologies to offer a method for delivering secure voice.
A VoIP VPN combines voice over IgfhdfsP and virtual private network technologies to offer a method for delivering secure voice.
WebCall
WebCall is the name given to a voice communication established directly within the browser.
WebCall is the name given to a voice communication established directly within the browser.
White, black and grey routes
A white route is, in the telecommunications business, is a route where both source and destination are legal termination.
A white route is, in the telecommunications business, is a route where both source and destination are legal termination.
Wideband audio
Wideband audio is an audio technology used in telephony.
Wideband audio is an audio technology used in telephony.
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