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Glossary U

Glossary

Glossary U

UCP

Universal Computer Protocol.

 

UCS

Universal Character Set.

 

UCS-2

2-byte Universal Character Set - is an obsolete character encoding which is a predecessor to UTF-16.

 

UDH (User Data Header)

This is routing Over the Air (OTA) using an SMPP link. This is a format used by some handsets, including Nokia, to manage smart messaging features such as logos, ring tones, business cards, and so on.

 

UDHL

The number of octets in the UDH field.

 

UDP

User Datagram Protocol.

 

UICC

Universal Integrated Circuit Card is the smart card used in mobile terminals in GSM and UMTS networks. The UICC ensures the integrity and security of all kinds of personal data.

 

Universal Dispatch Manager (UDM)

The UDM is a US based FTP server where deactivation (deac) files are stored. Customers can connect to this server and download the deactivation list (unsubscribe list).

 

Unsolicited Messages

Commercial SMS or MMS messages sent to subscribers without seeking prior approval.

 

Unsubscribe

Process of opting out of a mobile subscription service/application.

 

USShortcodes.com

The CSCA Web site, where companies apply for and acquire short codes for mobile content services and marketing campaigns.

 

UTC

Coordinated Universal Time - UTC replaced Greenwich Mean Time on 1 January 1972 as the basis for the main reference time scale or civil time in various regions. Time zones around the world are expressed as positive or negative offsets from UTC. Local time is UTC plus the time zone offset for that location, plus an offset (typically +1) for daylight saving time, if in effect. UTC is also referred to by the military and civil aviation as Zulu time (Z).

 

UTF

Unicode Transformation Format.

 

UTF-16

16-bit Unicode Transformation Format - is a variable-length character encoding for Unicode, capable of encoding the entire Unicode repertoire.

 

UTMS

Universal Mobile Telecommunications System (UMTS) is a third generation mobile cellular system for networks based on the GSM standard. Developed and maintained by the 3GPP (3rd Generation Partnership Project), UMTS is a component of the International Telecommunications Union IMT-2000 standard set. UMTS uses wideband code division multiple access (W-CDMA) radio access technology to offer greater spectral efficiency and bandwidth to mobile network operators.

 

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