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UBI
UDF
Ultra-wideband
"UltimatETV"
UltimateTV
UML
UMTS
Unbundling
Unbundled Network Element Platform
Uncensored on Demand
Underlying Content
Une-p
Une-platform
User Profile Server Function (UPSF)
Unicast
UNICODE
Unidirectional
Unified Email
Unified Messaging Service
Unified Search
Uniform Resource Identifiers
Uniform Resource Locator
Unit Address
Universal Asynchronous Receiver/Transmitter
Universal Disk Format
Universal Mobile
Telecommunications System
Universal Serial Bus
Universality, Bidirectionality, Interactivity
Universal Service
Untargeted Advertising
Up-Link
Upstream
Upstream/downstream
USP
URI
USENET
User Agent
User-centric
User-Centric Broadband
User-generated Content
User-generated Video on Demand TV
User-guided Entertainment
User-guided Experiences
User Interface
Utility-based Communications Service Providers
UUENCODE
UWB
UXF
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