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ETSI TS 122 141
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ETSI TS 122 141 Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Presence service; Stage 1 (3GPP TS 22.141 version 14.0.0 Release 14)
standard by European Telecommunications Standards Institute, 03/01/2017
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Full Description
ETSI TS 122 141 defines the stage one description for the presence service. Stage one is the set of requirements which shall besupported to enable the exploitation of the presence service, seen primarily from the users' and home environments"points of view.This TS includes information applicable to the home environment, device and network manufacturers which aresufficient to provide complete support of the presence service.
Additional functionalities not documented in this TS are considered outside the scope of this TS. Such additionalfunctionality may be on a network-wide basis, nation-wide basis or particular to a group of users. Such additionalfunctionality shall not compromise conformance to the requirements of the presence service defined in thisspecification.