CoMInet v1.0

TUP : Telephone user part
Tx : Transmitter
UART : Universal Asynchronous Receiver an Trasmitter
UDP : User Datagram Protocol
UE : Universal Equipement
UF : Urban Factor
UGS : Unsolicited Grant Service
UMTS : Universal Mobile Telecommunication System
UNI : User Network Interface
URL : Universal Resource Locator
USB : Universal Serial Bus
USF : Uplink State Flag
USO : Universal Service Obligation
USSB : Upper Single Side Band
USSD : Unstructured Supplementary Service Data
UTRAN : UMTS Terrestrial Radio Access Network
UUID : Universal Unique ID
VAD : Voice Activity Detector
VBR : Variable Bit Rate
VBS : Voice Broadband Service
VC : Virtual Connection
VCI : Virtual Circuit Identifier
VCO : Voltage Control Oscillator
VDB : Visitor Database
VGCS : Voice Group Call Service
VGGSN : Virtual GGSN
VIU : Visitor Interface Unit
VLR : Visitor Location Register
VMAC : Voice Mail Attenuation Code
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