ETSI TR 121 904

ETSI TR 121 904
ETSI TR 121 904 English PDF Universal Mobile Telecommunications System (UMTS); User Equipment Capability Requirements (3G TR 21.904 version 3.0.1 Release 1999)

standard published 03/01/2000 by European Telecommunications Standards Institute

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Full Description

This document defines a baseline set of capability requirements that enable all terminals to register with all applicable 3GPP networks (depending on the availability of a appropriate subscription). It describes all the functions that a terminal must perform in order to exist within a 3GPP network. These functions are used to derive requirements for all aspects of terminal baseline capability. This document also identifies different service capabilities and the functions that a terminal must perform in order to access a service. The actual capabilities that a terminal must posses to meet these requirements are listed in the Annexes to this document and described in the referenced implementation specifications. This document introduces the concept of service-less terminal which can exist in the network but provides no user service. Although this is not a marketable terminal type it describes from the standardisation viewpoint a baseline set of capabilities to which specific service-related terminal capabilities can then be added.

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