Glossary

Explore our library of thousands of telecoms terms and acronyms defined for on-the-job reference or learning new material.

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U

U interface

U

U (Unnumbered Information)

U-CSIU-CSI

USSD - CAMEL Subscription Information

U-RNTI

UTRAN Radio Network Temporary Identifier

U/L

Uplink

UA

Unnumbered Acknowledgement

UA Channel

User Asynchronous data Channel

UAC

User Agent Client

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UAN

Universal Access Number

UAPSD

Unscheduled Automatic Power Save Delivery

UARFCN

UMTS Absolute Radio Frequency Channel Number

UAS

User Agent Server

Ubiquitous Connectivity

Ubiquitous Intelligence

UCMF

UE Radio Capability Management Function

UCRP

Unique Challenge Response Procedure

UDC

Unified Data Convergence

UDI

Unrestricted Digital Information

UDM

Unified Data Management

UDP

User Datagram Protocol

UDR

Unified Data Repository

UDSF

Unstructured Data Storage Function

UDT

UNITDATA

UDTS

UNITDATA Service

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