name: ICB
full_form: Incoming Communication Barring
context: 8.17.1 Test Purpose (TP) (1) with { UE being registered to IMS } ensure that { when { UE is made to activate incoming communication barring for all calls (ICB) } then { UE authenticates itself using GBA or Digest } } (2) with { UE having started authentication } ensure that { when { UE receives 200 OK concluding the authentication } then { UE sends HTTP request to activate ICB } } (3) with { UE having concluded activation of ICB } ensure that { when { UE is made to de-activate ICB } then { UE sends HTTP request to de-activate ICB } } 8.17.2 Conformance Requirements The conformance requirements covered in the present test case are, unless otherwise stated, Rel-15 requirements. [TS 24.611, clause 4.9.1.4]: The following conditions are allowed by the XML Schema for the communication barring service. presence-status: This condition evaluates to true when the called user's current presence activity status is equal to the value set for this condition. In all other cases the condition
description: Incoming Communication Barring (ICB) is a telecommunications service that allows users to prevent incoming calls. It enables network control over incoming communications, empowering users to manage their accessibility based on factors like presence status or other defined conditions.
explanation: The text describes ICB as a service offered by the network to regulate incoming calls, aligning with the definition of a telecommunications service that provides controlled access and functionality.
section_title: 8.17Barring of All Incoming Calls / Configuration / 5GS
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