U

UDWDM - Ultra Dense WDM

UE - User Equipment

UMTS - Universal Mobile Telecommunication System

 

V

VCSEL - Vertical Cavity Surface Emitting Laser

ViLTE - Videocall over LTE

VIM - Virtual Infrastructure Manager

VM - Virtual Machine

VMM - Visual Voice Mail

VNF - Virtual Network Functions

VoIP - Voice over IP

VoLTE - Voice over IP over LTE

VVM - Visual Voice Mail