VNFM - VNF ManagerThe VNF Manager operates within the NFV MANO (Management and Orchestration) architecture, handling all lifecycle management operations associated with... View more
VoB - Voice over BroadbandThe term VoB (Voice over Broadband) refers to VoIP (Voice over IP) services that allow end users to make and receive calls over a broadband connection... View more
VocoderA voice coder device that usually consists of a speech analyzer, which converts analogue speech waveforms into narrowband digital signals, and a speec... View more
VoDSL - Voice over DSLThe term VoDSL (Voice over DSL) typically means the leveraging of the copper infrastructure to provide both quality voice services as well as support ... View more
Voice PrivacyThe voice transmitted over a CDMA Traffic Channel has some protection against eavesdropping over the air interface. ... View more
VoicemailA service offered by networks that will record voice messages for users if they are unable to answer a call. Charges may apply for retrieving messages... View more
VoIP - Voice over Internet ProtocolVoice over IP is a system enabling voice data to be delivered using the IP (Internet Protocol). It is sometimes referred to as IP telephony. ... View more
VoLGA - Voice over LTE Generic AccessVoLGA was an early proposal for voice service delivery over an LTE transport network. The technology did not see any significant deployment, with serv... View more
VoLTE - Voice over LTEBased on GSMA IR.92, VoLTE allows subscribers on LTE access to conduct voice calls, without the requirement to fall back to 2G or 3G. Call control is ... View more
VoNR - Voice over New RadioVoNR is the general term given to IMS based voice services which use 5G as the access network (as opposed to LTE and VoLTE).... View more
VoWiFi - Voice over WiFiVoWiFi allows subscribers to conduct voice calls whilst using a WiFi access network. Call control is based on IMS and in many cases, the VoWiFi is int... View more
VP - Virtual PathVirtual Path enables the bundling of multiple ATM (Asynchronous Transfer Mode) VC (Virtual Circuit). ... View more
VPC - Virtual Path ConnectionThe concatenation of multiple ATM (Asynchronous Transfer Mode) virtual path links. ... View more
VPI - Virtual Path IdentifierThe field in the ATM (Asynchronous Transfer Mode) cell header that identifies to which VP (Virtual Path) the cell belongs. ... View more
VPLMN - Visited Public Land Mobile NetworkA Visited Public Land Mobile Network is a PLMN upon which the mobile subscriber has roamed when leaving their HPLMN (Home Public Land Mobile Network).... View more
VPLS - Virtual Private LAN ServiceVPLS is an Ethernet based virtual multipoint to multipoint service, typically implemented over an IP/MPLS network. Connectivity between customer sites... View more
VPN - Virtual Private NetworkThis is a private network link, which is carried on a public network. VPNs can be implemented in number of ways, ranging from: Layer 1 VPN utilizing p... View more
VPWS - Virtual Private Wire ServiceVPWS is a virtual point to point connection, typically implemented over an MPLS network using PWE3.... View more
VRB - Virtual Resource BlockThe E-UTRA uses the concept of VRB (Virtual Resource Block) when allocating resources. It defines two types: LVRB (Local Virtual Resource Block) - thi... View more