V reference pointThe interface point in an ISDN environment between the line termination and the exchange termination. ... View more
V-PCRF - Visited – Policy and Charging Rules FunctionThe PCRF is a policy decision point for subscriber data flows in the network. Using inputs from other network nodes, the PCRF will formulate rules whi... View more
V2I - Vehicle-to-InfrastructureIn relation to V2X, V2I (Vehicle-to-Infrastructure) enables vehicles to communicate with nearby roadside infrastructure, called RSU (Road side Units).... View more
V2N - Vehicle-to-NetworkIn relation to V2X, V2N (Vehicle-to-Network) enables both broadcast and unicast communications to take place between vehicles and the V2X management s... View more
V2P - Vehicle-to-PedestrianIn relation to V2X, V2P (Vehicle-to-Pedestrian) involves direct communications between a vehicle and a pedestrian or multiple pedestrians within close... View more
V2V - Vehicle-to-VehicleIn relation to V2X, V2V (Vehicle-to-Vehicle) involves direct communications between two vehicles, or multiple vehicles within close proximity. These v... View more
V2X - Vehicle-to-EverythingV2X (Vehicle-to-Everything) is the exchange of information from a vehicle to other entities within the transport ecosystem that may have an effect on ... View more
V2X AS - V2X Application ServerThe V2X AS is a key component in the delivery of V2X services. It is involved in the handling of services, such as receiving uplink data and also deli... View more
V2X CF - V2X Control FunctionThe V2X Control Function is the key management element for V2X related services in a network. It is used to assist with network relation actions, such... View more
VAD - Voice Activity DetectorThe function of the VAD is to indicate whether each frame contains signals that should be transmitted, i.e. speech, music or information tones. ... View more
VAN - Value Added NetworkA network using the communication services of other commercial carriers, using hardware and software that permit enhanced telecommunication services t... View more
VANC - VoLGA Access Network ControllerThe VANC performed an aggregation and service control function within a VoLGA network. It should be noted that VoLGA has not seen significant deployme... View more
VAS - Value Added ServiceValue Added Services are unlike basic services in that they have unique characteristics and they relate to other services in a completely different wa... View more
VBR - Variable Bit RateVariable Bit Rate is one of the traffic classes used by ATM (Asynchronous Transfer Mode). Unlike a permanent CBR (Constant Bit Rate) channel, a VBR da... View more
VBS - Voice Broadcast ServiceVoice Broadcast Service allows the distribution of speech or other signals which can be transmitted via the speech codec. These are broadcast into a p... View more
VC - Virtual ChannelThe communication channel associated with a VCC (Virtual Channel Connection) that provides for the transport of ATM (Asynchronous Transfer Mode) cells... View more
VCC - Virtual Channel ConnectionA concatenation of VCL (Virtual Channel Link) between the points where the ATM (Asynchronous Transfer Mode) service users access the ATM Layer. ... View more
VCI - Virtual Channel IdentifierThe identifier in the ATM (Asynchronous Transfer Mode) cell header that identifies to which virtual channel the cell belongs. ... View more
VCL - Virtual Channel LinkA Virtual Channel Link is a means of unidirectional transport of ATM (Asynchronous Transfer Mode) cells. It exists between the points where a VCI (Vir... View more
VDSL - Very high data rate Digital Subscriber LineOne of the family of DSL (Digital Subscriber Line) services. It offers very high data rates over relatively short distances (up to 55Mbps over a line ... View more