UDP abbr User Datagram Protocol

See also: Transmission Control Protocol

CIMM DEFINITION: A simple communications protocol that offers a limited amount of service when messages are exchanged between computers in a network that uses the Internet Protocol. Delivery of content or information is not guaranteed.

UI abbr User Interface

See also: Graphic User Interface

CIMM DEFINITION: A system that enables a viewer to interact with a piece of equipment whether a television or a computer.

2: Allows people to interact with electronic devices such as computers; hand-held devices such as MP3 Players, Portable Media Players or Gaming devices; household appliances and office equipment.

UMTS abbr Universal Mobile Telecommunications System

See also: 3G

CIMM DEFINITION: A broadband, packet-based wireless transmission of text, digitized voice, video, and multimedia at data rates up to and possibly higher than 2 megabits per second, offering a set of services to mobile computer and phone users. (Source: IAB)

Un-Flagged Fault

See also: Flagged Faults, Gaps

CIMM DEFINITION: Unanticipated or non-standard lapses or gaps in data transmission, output or receiving requiring special processing or procedures.

Unauthorized View

CIMM DEFINITION: Must be a subscriber to a channel in order to be able to view. Otherwise unauthorized.

NOTE – Is viewership counted if an unauthorized viewer is just viewing the “Can’t View” slide on the subscription channel?

Unbound Application

See also: Bound Application

CIMM DEFINITION: An EBIF application that’s transmitted and loaded to the Set-Top Box  independent of the video programming. It is typically not bound to any MELECTRONIC PROGRAM GUIDE-2 video programming. There are multiple ways an unbound application can be downloaded from the headend system to the Set-Top Box es, e.g. in-band, out-of-band, DSG, Ethernet. Unbound applications are also sometime called widgets. EBIF applications from FourthWall Media’s TVWidgets product suite are examples of unbound applications.(Source: FourthWall Media)

Unduplicated Audience

See also: Reach, Cume

CIMM DEFINITION: The number of unique individuals exposed to a specified domain, page or ad in a specified time period. (Source: IAB)


See also: Video On-Demand

CIMM DEFINITION: Similar to the concept of broadcasting where one signal containing the same data is sent out to all possible destinations. It is the opposite of Multicast.


See also: Data Fusion, Data Matching

CIMM DEFINITION: The process of aggregating and integrating unique datasets, removing disparate or incorrect elements to create a single database.


CIMM DEFINITION: An unduplicated household, Set-Top Box or viewer to a piece of content.